/* ============================================
   HAN INTERACTIVE — Base Styles
   Reset, Typography, Global Elements
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@300;400;500;600;700&family=IBM+Plex+Mono:wght@300;400;500&display=swap');

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-normal);
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
  min-height: 100vh;
}

/* ---- Grain / Noise Texture Overlay ---- */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.03;
  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='0.9' 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;
}

/* ---- Scanline Overlay ---- */
body::after {
  display: none !important;
}

/* ---- Typography ---- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--text-primary);
}

h1 { font-size: var(--text-3xl); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); }
h5 { font-size: var(--text-md); }
h6 { font-size: var(--text-base); }

p {
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  max-width: 65ch;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}

a:hover {
  color: var(--accent-hover);
}

strong {
  font-weight: var(--weight-semibold);
  color: var(--text-primary);
}

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

/* ---- Monospace utility ---- */
.mono {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-normal);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ---- Lists ---- */
ul, ol {
  list-style: none;
}

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

/* ---- Selection ---- */
::selection {
  background: var(--accent-muted);
  color: var(--text-primary);
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar {
  width: 5px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-light);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ---- Focus ---- */
:focus-visible {
  outline: 1px solid var(--accent);
  outline-offset: 2px;
}

/* ---- Horizontal Rule ---- */
hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: var(--space-2xl) 0;
}

/* ---- Utility ---- */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---- Ambient Glow Orbs ---- */
.ambient-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
  z-index: 0;
}

.ambient-glow--red {
  background: radial-gradient(circle, rgba(122, 31, 31, 0.08), transparent 70%);
}

.ambient-glow--gray {
  background: radial-gradient(circle, rgba(140, 144, 153, 0.04), transparent 70%);
}

/* ---- Language Support ---- */
html[lang="en"] .lang-tr {
  display: none !important;
}
html[lang="tr"] .lang-en {
  display: none !important;
}