/* PC ZNC Labs — ortak stil dosyası */

:root {
  --bg: #0b1220;
  --bg-alt: #101a2e;
  --surface: #16213a;
  --surface-2: #1c2a47;
  --border: #263758;
  --text: #e8edf7;
  --text-dim: #a9b6cf;
  --text-mute: #7c8aab;
  --accent: #3ea6ff;
  --accent-2: #6ee7c5;
  --accent-warn: #ffb454;
  --accent-danger: #ff6b6b;
  --radius: 14px;
  --max-w: 1120px;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

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

.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---- Header ---- */
header.site {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11,18,32,.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--text);
  letter-spacing: .2px;
}
.brand:hover { text-decoration: none; }
.brand .logo-mark {
  width: 34px; height: 34px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: flex; align-items: center; justify-content: center;
  color: #06121f; font-weight: 900; font-size: .95rem;
}
.brand small { color: var(--text-mute); font-weight: 600; font-size: .68rem; display:block; }

.nav-links {
  display: flex;
  gap: 6px;
  list-style: none;
  margin: 0; padding: 0;
}
.nav-links a {
  color: var(--text-dim);
  padding: 8px 14px;
  border-radius: 999px;
  font-weight: 600;
  font-size: .93rem;
}
.nav-links a:hover, .nav-links a.active {
  background: var(--surface-2);
  color: var(--text);
  text-decoration: none;
}

.nav-toggle {
  display: none;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 8px 10px;
  cursor: pointer;
}

@media (max-width: 860px) {
  .nav-links {
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 10px 20px 16px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: inline-flex; }
}

/* ---- Hero ---- */
.hero {
  padding: 64px 0 48px;
  background:
    radial-gradient(700px 300px at 15% -10%, rgba(62,166,255,.18), transparent),
    radial-gradient(600px 260px at 100% 0%, rgba(110,231,197,.12), transparent);
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--accent-2);
  font-weight: 700;
  font-size: .8rem;
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.hero h1 {
  font-size: clamp(2rem, 4.2vw, 3.1rem);
  line-height: 1.15;
  margin: 0 0 16px;
  max-width: 16ch;
}
.hero p.lead {
  color: var(--text-dim);
  font-size: 1.15rem;
  max-width: 62ch;
  margin: 0 0 28px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 10px;
  font-weight: 700;
  font-size: .95rem;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary { background: var(--accent); color: #06121f; }
.btn-primary:hover { background: #5cb6ff; text-decoration: none; }
.btn-ghost { background: var(--surface); border-color: var(--border); color: var(--text); }
.btn-ghost:hover { background: var(--surface-2); text-decoration: none; }
.btn-sm { padding: 8px 14px; font-size: .85rem; border-radius: 8px; }

/* ---- Sections ---- */
section { padding: 56px 0; }
section.alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.section-head { max-width: 68ch; margin-bottom: 34px; }
.section-head .kicker {
  color: var(--accent-2);
  font-weight: 800;
  font-size: .8rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.section-head h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); margin: 0 0 10px; }
.section-head p { color: var(--text-dim); margin: 0; }

/* ---- Cards / Grid ---- */
.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  transition: transform .15s ease, border-color .15s ease;
}
.card:hover { transform: translateY(-3px); border-color: #33507f; }
.card .icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: var(--surface-2);
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
  margin-bottom: 14px;
}
.card h3 { margin: 0 0 8px; font-size: 1.05rem; }
.card p { margin: 0; color: var(--text-dim); font-size: .93rem; }
.card a.card-link { display: block; text-decoration: none; color: inherit; height: 100%; }
.card a.card-link:hover { text-decoration: none; }

/* ---- Steps (görsel adım adım anlatım) ---- */
.steps {
  list-style: none;
  margin: 0; padding: 0;
  counter-reset: step;
  display: grid;
  gap: 18px;
}
.step {
  counter-increment: step;
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  position: relative;
}
.step::before {
  content: counter(step);
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #06121f;
  font-weight: 900;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.05rem;
}
.step h3 { margin: 2px 0 8px; font-size: 1.05rem; }
.step p { margin: 0 0 8px; color: var(--text-dim); }
.step .figure {
  margin-top: 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-alt);
  padding: 14px;
}
.step .note {
  display: inline-flex;
  gap: 8px;
  align-items: flex-start;
  background: rgba(255,180,84,.1);
  border: 1px solid rgba(255,180,84,.35);
  color: #ffd8a0;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: .87rem;
  margin-top: 10px;
}
.step .note.danger {
  background: rgba(255,107,107,.1);
  border-color: rgba(255,107,107,.35);
  color: #ffb3b3;
}
@media (max-width: 620px) {
  .step { grid-template-columns: 1fr; }
}

/* ---- Tabla / karşılaştırma ---- */
table.compare {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
table.compare th, table.compare td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: .92rem;
}
table.compare th { background: var(--surface-2); color: var(--text); font-weight: 700; }
table.compare tr:last-child td { border-bottom: none; }
.table-scroll { overflow-x: auto; border-radius: var(--radius); }

/* ---- Badges / etiketler ---- */
.badge {
  display: inline-block;
  font-size: .72rem;
  font-weight: 800;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--text-dim);
  border: 1px solid var(--border);
}
.badge.ok { color: #7fe3b4; border-color: rgba(127,227,180,.3); background: rgba(127,227,180,.08); }
.badge.warn { color: #ffd08a; border-color: rgba(255,208,138,.3); background: rgba(255,208,138,.08); }
.badge.danger { color: #ff9d9d; border-color: rgba(255,157,157,.3); background: rgba(255,157,157,.08); }
.badge.info { color: #8fd1ff; border-color: rgba(143,209,255,.3); background: rgba(143,209,255,.08); }

/* ---- Program listesi ---- */
.app-icon {
  width: 38px; height: 38px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 900; font-size: .95rem;
  flex-shrink: 0;
  letter-spacing: -.02em;
}
.app-card { position: relative; }
.app-card .app-top { align-items: flex-start; }
.app-card .app-top .badge { margin-top: 2px; }
.app-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.app-card .app-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.app-card h4 { margin: 0; font-size: 1rem; }
.app-card p { margin: 0; color: var(--text-dim); font-size: .87rem; flex-grow: 1; }
.app-card .app-links { display: flex; gap: 8px; flex-wrap: wrap; }

.filter-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.filter-bar button {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 8px 14px;
  border-radius: 999px;
  font-weight: 700;
  font-size: .85rem;
  cursor: pointer;
}
.filter-bar button.active, .filter-bar button:hover {
  background: var(--accent);
  color: #06121f;
  border-color: var(--accent);
}

/* ---- Accordion (Sık sorulanlar / hatalar) ---- */
.accordion { display: grid; gap: 12px; }
.acc-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.acc-item summary {
  cursor: pointer;
  padding: 16px 18px;
  font-weight: 700;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.acc-item summary::-webkit-details-marker { display: none; }
.acc-icon {
  width: 30px; height: 30px;
  border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.acc-title { flex: 1; }
.acc-item summary::after {
  content: "+";
  font-size: 1.3rem;
  color: var(--accent);
  flex-shrink: 0;
}
.acc-item[open] summary::after { content: "–"; }
.acc-item .acc-body {
  padding: 0 18px 18px;
  color: var(--text-dim);
}
.acc-item .acc-body h5 { color: var(--text); margin: 14px 0 6px; font-size: .9rem; }
.acc-item .acc-body ol, .acc-item .acc-body ul { margin: 6px 0; padding-left: 20px; }
.acc-item .acc-body li { margin-bottom: 4px; }

/* ---- Callout kutuları ---- */
.callout {
  border-radius: var(--radius);
  padding: 18px 20px;
  border: 1px solid var(--border);
  background: var(--surface);
  display: flex;
  gap: 14px;
}
.callout .icon { flex-shrink: 0; color: var(--accent); }
.callout.warn { border-color: rgba(255,180,84,.35); background: rgba(255,180,84,.06); }
.callout.warn .icon { color: var(--accent-warn); }
.callout.danger { border-color: rgba(255,107,107,.35); background: rgba(255,107,107,.06); }
.callout.danger .icon { color: var(--accent-danger); }
.callout h4 { margin: 0 0 6px; }
.callout p { margin: 0; color: var(--text-dim); font-size: .92rem; }

/* ---- Breadcrumb ---- */
.breadcrumb {
  font-size: .85rem;
  color: var(--text-mute);
  margin-bottom: 18px;
}
.breadcrumb a { color: var(--text-mute); }
.breadcrumb a:hover { color: var(--accent); }

/* ---- Footer ---- */
footer.site {
  border-top: 1px solid var(--border);
  background: var(--bg-alt);
  padding: 40px 0 26px;
  margin-top: 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 26px;
  margin-bottom: 28px;
}
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer-grid h5 { margin: 0 0 12px; font-size: .85rem; color: var(--text); }
.footer-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.footer-grid a { color: var(--text-dim); font-size: .88rem; }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 18px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--text-mute);
  font-size: .82rem;
}

/* ---- UI Mockup bileşenleri (Rufus / BIOS / Windows Kurulumu görselleştirmeleri) ---- */
.mockup-window {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  background: #0d1526;
}
.mockup-titlebar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 9px 12px;
  background: #17223b;
  border-bottom: 1px solid var(--border);
}
.mockup-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.mockup-dot.red { background: #ff5f57; }
.mockup-dot.yellow { background: #febc2e; }
.mockup-dot.green { background: #28c840; }
.mockup-titlebar .mockup-title {
  margin-left: 8px;
  color: var(--text-mute);
  font-size: .74rem;
  font-weight: 700;
}
.mockup-body { padding: 18px; overflow-x: auto; }
.mockup-body.light { background: #f3f5f9; color: #1b2536; }
.mockup-body.dark-plain { background: #0d1526; }

.mockup-row { display: flex; flex-direction: column; gap: 5px; margin-bottom: 12px; }
.mockup-row:last-child { margin-bottom: 0; }
.mockup-label { font-size: .72rem; font-weight: 700; color: var(--text-mute); }
.mockup-body.light .mockup-label { color: #5b6a85; }
.mockup-select, .mockup-input {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 7px; padding: 8px 12px; font-size: .82rem; color: var(--text);
}
.mockup-body.light .mockup-select, .mockup-body.light .mockup-input {
  background: #fff; border-color: #d4dae5; color: #1b2536;
}
.mockup-select .caret { opacity: .6; font-size: .7rem; }
.mockup-btnrow { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; }
.mockup-btn {
  font-size: .8rem; font-weight: 700; padding: 8px 16px; border-radius: 7px;
  border: 1px solid var(--border); color: var(--text-dim); background: var(--surface-2);
}
.mockup-btn.primary { background: var(--accent); color: #06121f; border-color: var(--accent); }
.mockup-btn.win { background: #0067c0; color: #fff; border-color: #0067c0; }
.mockup-btn.win-outline { background: transparent; border-color: #0067c0; color: #0067c0; }
.mockup-progress { height: 9px; border-radius: 999px; background: var(--surface-2); overflow: hidden; margin-top: 12px; }
.mockup-body.light .mockup-progress { background: #e2e6ee; }
.mockup-progress > span { display: block; height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); border-radius: 999px; }
.mockup-progress.win > span { background: #0067c0; }
.mockup-status { font-size: .74rem; color: var(--text-mute); margin-top: 6px; }

.mockup-bios {
  background: #000; color: #d9d9d9; font-family: "Consolas","Courier New",monospace;
  padding: 20px; font-size: .82rem;
}
.mockup-bios .bios-title { color: #7fffd4; font-weight: 700; margin-bottom: 14px; letter-spacing: .04em; }
.mockup-bios-item { padding: 6px 10px; border-radius: 3px; }
.mockup-bios-item.active { background: #2563eb; color: #fff; }
.mockup-bios-hint { margin-top: 16px; color: #6b7280; font-size: .72rem; }

.mockup-choice-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 480px) { .mockup-choice-row { grid-template-columns: 1fr; } }
.mockup-choice {
  border: 1.5px solid #d4dae5; border-radius: 9px; padding: 12px; background: #fff;
}
.mockup-choice.selected { border-color: #0067c0; box-shadow: 0 0 0 3px rgba(0,103,192,.15); }
.mockup-choice b { display: block; font-size: .85rem; margin-bottom: 3px; }
.mockup-choice span { font-size: .74rem; color: #5b6a85; }

.mockup-part-table { width: 100%; border-collapse: collapse; font-size: .78rem; }
.mockup-part-table th, .mockup-part-table td { text-align: left; padding: 7px 8px; border-bottom: 1px solid #e2e6ee; }
.mockup-part-table th { color: #5b6a85; font-weight: 700; font-size: .7rem; text-transform: uppercase; letter-spacing: .04em; }
.mockup-part-table tr.selected td { background: #e6f1fb; }

.mockup-install-steps { display: grid; gap: 8px; }
.mockup-install-step { display: flex; align-items: center; gap: 10px; font-size: .82rem; color: #8b95a8; }
.mockup-install-step.done { color: #1b2536; }
.mockup-install-step.current { color: #0067c0; font-weight: 700; }
.mockup-install-step .chk {
  width: 18px; height: 18px; border-radius: 50%; flex-shrink: 0;
  border: 2px solid #d4dae5; display: flex; align-items: center; justify-content: center; font-size: .65rem;
}
.mockup-install-step.done .chk { background: #22c55e; border-color: #22c55e; color: #fff; }
.mockup-install-step.current .chk { border-color: #0067c0; }

/* ---- Donanım diyagramları (Bilgisayar 101) ---- */
.hw-diagram-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}
.hw-diagram-wrap svg { width: 100%; height: auto; display: block; }
.hw-legend {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 18px;
}
@media (max-width: 620px) { .hw-legend { grid-template-columns: 1fr; } }
.hw-legend-item { display: flex; align-items: flex-start; gap: 10px; }
.hw-legend-num {
  width: 24px; height: 24px; border-radius: 50%; flex-shrink: 0;
  background: var(--accent); color: #06121f; font-weight: 900; font-size: .78rem;
  display: flex; align-items: center; justify-content: center; margin-top: 1px;
}
.hw-legend-item b { display: block; font-size: .88rem; }
.hw-legend-item span { font-size: .82rem; color: var(--text-dim); }

.spec-strip { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.spec-chip {
  font-size: .72rem; font-weight: 700; padding: 4px 10px; border-radius: 999px;
  background: var(--surface-2); border: 1px solid var(--border); color: var(--text-dim);
}

.explorer-layout { display: flex; }
.explorer-tree { border-right: 1px solid #d4dae5; padding-right: 14px; margin-right: 14px; font-size: .8rem; flex-shrink: 0; }
.explorer-tree div { padding: 5px 0; color: #4b5568; }
.explorer-tree div.active { color: #0067c0; font-weight: 700; }
.explorer-files { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; flex: 1; min-width: 0; }
.explorer-file { display: flex; flex-direction: column; align-items: center; text-align: center; font-size: .72rem; color: #4b5568; min-width: 0; }
.explorer-file .file-ext {
  width: 42px; height: 42px; margin-bottom: 6px; border-radius: 8px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 800; font-size: .68rem;
}
.explorer-file .file-name { overflow-wrap: anywhere; }
@media (max-width: 560px) {
  .explorer-layout { flex-direction: column; }
  .explorer-tree { border-right: none; border-bottom: 1px solid #d4dae5; padding-right: 0; padding-bottom: 12px; margin-right: 0; margin-bottom: 12px; }
  .explorer-files { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ---- Sözlük ---- */
.az-nav { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 30px; position: sticky; top: 70px; z-index: 10; background: var(--bg); padding: 10px 0; }
.az-nav a {
  width: 32px; height: 32px; border-radius: 8px; background: var(--surface); border: 1px solid var(--border);
  color: var(--text-dim); display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: .82rem;
}
.az-nav a:hover { background: var(--accent); color: #06121f; text-decoration: none; }
.glossary-letter { font-size: 1.6rem; color: var(--accent-2); margin: 38px 0 16px; padding-top: 10px; border-top: 1px solid var(--border); }
.glossary-letter:first-of-type { margin-top: 0; border-top: none; }
.term-card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 16px 18px; }
.term-card h3 { margin: 0 0 6px; font-size: .95rem; }
.term-card p { margin: 0; font-size: .86rem; color: var(--text-dim); }
.term-card .term-alt { color: var(--text-mute); font-weight: 500; font-size: .82rem; }

/* ---- Makale gövdesi ---- */
.article-body { max-width: 72ch; }
.article-body h2 { font-size: 1.35rem; margin: 40px 0 14px; }
.article-body h2:first-child { margin-top: 0; }
.article-body p { color: var(--text-dim); margin: 0 0 16px; }
.article-body ul, .article-body ol { color: var(--text-dim); margin: 0 0 16px; padding-left: 22px; }
.article-body li { margin-bottom: 6px; }
.article-body strong { color: var(--text); }
.article-meta { display: flex; gap: 14px; align-items: center; color: var(--text-mute); font-size: .85rem; margin-bottom: 20px; }

/* ---- Yardımcı sınıflar ---- */
.mt-0 { margin-top: 0; }
.text-center { text-align: center; }
.small { font-size: .85rem; color: var(--text-mute); }