@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;600;700&family=Inter:wght@200;300;400;600&family=JetBrains+Mono:wght@100;400&display=swap');

:root, html.dark-theme {
  color-scheme: dark;
  --bg: #030303;
  --text-primary: #FAFAFA;
  --text-secondary: #8A8A93;
  --accent: #007AFF;
  --line: rgba(255, 255, 255, 0.05);
  --bg-overlay: rgba(3,3,3,0.98);
  --text-muted: #444;
}

@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --bg: #FAFAFA;
    --text-primary: #030303;
    --text-secondary: #666666;
    --accent: #0056b3;
    --line: rgba(0, 0, 0, 0.1);
    --bg-overlay: rgba(250,250,250,0.98);
    --text-muted: #cccccc;
  }
}

html.light-theme {
  color-scheme: light;
  --bg: #FAFAFA;
  --text-primary: #030303;
  --text-secondary: #666666;
  --accent: #0056b3;
  --line: rgba(0, 0, 0, 0.1);
  --bg-overlay: rgba(250,250,250,0.98);
  --text-muted: #cccccc;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { background-color: var(--bg); color: var(--text-primary); font-family: 'Inter', sans-serif; overflow-x: hidden; line-height: 1.6; background-attachment: fixed; transition: background-color 0.3s, color 0.3s; }
.bg-grid { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-image: linear-gradient(90deg, var(--line) 1px, transparent 1px), linear-gradient(var(--line) 1px, transparent 1px); background-size: 10vw 10vh; z-index: -1; pointer-events: none; transition: background-image 0.3s; }
.container { max-width: 1400px; margin: 0 auto; padding: 0 5vw; }
nav { padding: 60px 0; display: flex; justify-content: space-between; align-items: center; position: relative; z-index: 1000; }
.logo-box { display: flex; flex-direction: column; text-decoration: none; }
.logo { font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 1.2rem; letter-spacing: 2px; color: var(--text-primary); text-transform: uppercase; transition: color 0.3s; }
.logo-sub { font-family: 'JetBrains Mono', monospace; font-size: 0.55rem; color: var(--text-secondary); opacity: 0.85; letter-spacing: 1.5px; margin-top: 4px; text-transform: uppercase; font-weight: 400; display: block; transition: color 0.3s;}
.nav-links { display: flex; gap: 50px; align-items: center; }
.nav-links a { font-family: 'Space Grotesk', sans-serif; color: var(--text-secondary); text-decoration: none; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 2px; transition: 0.4s; }
.nav-links a:hover, .nav-links a.active { color: var(--text-primary); }
.lang-switcher { display: flex; gap: 30px; margin-left: 50px; padding-left: 50px; border-left: 1px solid var(--line); align-items: center; transition: border-color 0.3s;}
.lang-btn { text-decoration: none; color: var(--text-muted); font-size: 0.7rem; font-family: 'JetBrains Mono'; transition: 0.3s; padding-bottom: 4px; border-bottom: 2px solid transparent; }
.lang-btn:hover { color: var(--accent); }
.lang-btn.active { color: var(--text-primary); border-bottom: 2px solid var(--accent); }
.theme-toggle-btn { background: none; border: 1px solid var(--line); color: var(--text-primary); font-family: 'JetBrains Mono', monospace; font-size: 0.7rem; padding: 5px 10px; cursor: pointer; border-radius: 4px; transition: 0.3s; margin-left: 20px; }
.theme-toggle-btn:hover { border-color: var(--text-primary); }
.hero { min-height: 80vh; display: flex; flex-direction: column; justify-content: center; }
.hero h1 { font-family: 'Space Grotesk', sans-serif; font-size: clamp(3rem, 10vw, 8rem); font-weight: 300; line-height: 0.85; margin-bottom: 40px; }
.hologram { background: linear-gradient(120deg, var(--text-primary) 0%, var(--text-secondary) 50%, var(--accent) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-size: 200% auto; animation: shine 8s linear infinite; }
@keyframes shine { to { background-position: 200% center; } }
.canvas-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 100px 50px; }
.canvas-item { text-decoration: none; color: inherit; display: flex; flex-direction: column; padding-bottom: 40px; border-bottom: 1px solid var(--line); transition: 0.6s; }
.canvas-item:hover { border-bottom: 1px solid var(--text-primary); transform: translateX(15px); }
.canvas-item h3 { font-family: 'Space Grotesk', sans-serif; font-size: 2.5rem; font-weight: 300; margin: 20px 0; }
footer { padding: 100px 0; border-top: 1px solid var(--line); display: flex; justify-content: space-between; align-items: flex-end; font-family: 'JetBrains Mono'; font-size: 0.6rem; color: var(--text-secondary); transition: border-color 0.3s, color 0.3s; }
.menu-toggle { display: none; background: none; border: none; cursor: pointer; z-index: 1001; }
.menu-toggle span { display: block; width: 25px; height: 1px; background: var(--text-primary); margin: 6px 0; transition: 0.4s; }
.nav-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100vh; background: var(--bg-overlay); backdrop-filter: blur(20px); display: none; flex-direction: column; justify-content: center; align-items: center; gap: 40px; z-index: 999; transition: background 0.3s; }
.nav-overlay a { font-family: 'Space Grotesk'; font-size: 2.5rem; text-decoration: none; color: var(--text-secondary); transition: color 0.3s; }
@media (max-width: 900px) { .nav-links { display: none; } .menu-toggle { display: block; } .nav-overlay.open { display: flex; } .canvas-grid { grid-template-columns: 1fr; } .hero h1 { font-size: 3.5rem; } }
/* Custom Cursor */
@media (pointer: fine) {
  /* En üst seviyeden en alta kadar her şeyi gizle, tüm durumları kapsa */
  html, body, 
  a, button, input, select, textarea,
  [role="button"], .canvas-item,
  *, *::before, *::after,
  *:hover, *:active, *:focus {
    cursor: none !important;
  }

  /* Kendi imleç elemanlarımızı GÖRÜNÜR yap ve sistem gizleme kuralından muaf tut */
  .cursor-dot,
  .cursor-outline {
    pointer-events: none;
    position: fixed;
    top: 0;
    left: 0;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    z-index: 10000;
    transition: opacity 0.3s ease-in-out, transform 0.3s ease-in-out, background-color 0.3s ease, border-color 0.3s ease;
    /* Zorunlu görünürlük */
    opacity: 1;
    visibility: visible;
    display: block !important;
  }

  /* Scrollbar alanını sabitle ve orada da gizle */
  html {
    overflow-y: scroll;
  }
  
  ::-webkit-scrollbar {
    width: 8px;
  }
  ::-webkit-scrollbar-track {
    background: var(--bg);
  }
  ::-webkit-scrollbar-thumb {
    background: var(--line);
    cursor: none !important;
  }

  .cursor-dot {
    width: 6px;
    height: 6px;
    background-color: var(--text-primary);
  }

  .cursor-outline {
    width: 30px;
    height: 30px;
    border: 1px solid var(--text-primary);
    transition: width 0.3s cubic-bezier(0.23, 1, 0.32, 1), height 0.3s cubic-bezier(0.23, 1, 0.32, 1), opacity 0.3s ease, background-color 0.3s ease, border-color 0.3s ease;
  }

  /* Custom Cursor - Sharp & Inverted */
  .cursor-dot,
  .cursor-outline {
    pointer-events: none;
    position: fixed;
    top: 0;
    left: 0;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    z-index: 10000;
    mix-blend-mode: difference; /* Her zeminde mükemmel zıtlık */
    transition: opacity 0.3s ease, transform 0.3s ease;
  }

  .cursor-dot {
    width: 6px;
    height: 6px;
    background-color: #fff; /* Difference modunda beyaz, beyaz zeminde siyah görünür */
  }

  .cursor-outline {
    width: 30px;
    height: 30px;
    border: 1px solid #fff;
    transition: width 0.3s cubic-bezier(0.23, 1, 0.32, 1), height 0.3s cubic-bezier(0.23, 1, 0.32, 1), transform 0.3s ease;
  }

  /* Hover State - Saydam Gri (İstediğin net tasarım) */
  .cursor-outline.hover {
    width: 60px;
    height: 60px;
    background-color: rgba(128, 128, 128, 0.25); /* Saydam gri */
    mix-blend-mode: normal; /* Gri görünmesi için zıtlık modunu burada kapatıyoruz */
    border: none;
    opacity: 1;
  }

  .cursor-dot.hover {
    opacity: 0; /* Buton üzerindeyken nokta tamamen kaybolur */
    transform: translate(-50%, -50%) scale(0);
  }

  /* Click State */
  .cursor-outline.clicking {
    transform: translate(-50%, -50%) scale(0.8);
    background-color: rgba(128, 128, 128, 0.4);
  }
}
}

@media (pointer: coarse) {
  .cursor-dot,
  .cursor-outline {
    display: none !important;
  }
}
}