/* =====================================================
   CiroX Landing — Modern Reset & Base Styles
   ===================================================== */

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

html { 
  scroll-behavior: smooth; 
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
  scroll-padding-top: 100px;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-normal);
  line-height: var(--leading-normal);
  color: var(--text-main);
  background-color: var(--bg-void);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
}

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

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

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

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

ul, ol { list-style: none; }

:focus-visible {
  outline: 2px solid var(--volt-cyan);
  outline-offset: 2px;
  border-radius: 4px;
}

::selection {
  background: rgba(34, 211, 238, 0.25);
  color: var(--text-pure);
}

/* Scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-void); }
::-webkit-scrollbar-thumb { 
  background: var(--bg-card-hover); 
  border-radius: var(--radius-full);
  border: 2px solid var(--bg-void);
}
::-webkit-scrollbar-thumb:hover { background: var(--text-subtle); }

/* Typography Base */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--weight-extrabold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
}

p { line-height: var(--leading-relaxed); }

code, pre, .mono { 
  font-family: var(--font-mono); 
  font-feature-settings: 'liga' 0;
}

/* 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;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--volt-cyan);
  color: var(--bg-void);
  padding: 8px 16px;
  z-index: var(--z-overlay);
  border-radius: 0 0 var(--radius-sm) 0;
  font-weight: 700;
}
.skip-link:focus { top: 0; }

/* Loading/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;
  }
}