/* ==========================================================================
   style.css — STÜDYO OS shell: wallpaper, menu bar, desktop, windows, dock.
   ========================================================================== */

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--menubar-h) + 18px); }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: var(--fs-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  overflow-x: hidden;
  padding-bottom: calc(var(--dock-h) + 40px);
}

::selection { background: var(--accent); color: var(--on-accent); }

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

.skip-link {
  position: fixed; top: 8px; left: 8px; z-index: 200;
  transform: translateY(-160%);
  background: var(--accent); color: var(--on-accent);
  padding: 10px 16px; border-radius: var(--r-sm);
  font-family: var(--font-mono); font-size: 12px;
}
.skip-link:focus { transform: none; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

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

.is-sample {
  font-family: var(--font-mono); font-size: 9.5px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--ink-3);
}

/* ==========================================================================
   Wallpaper — the desktop ground
   ========================================================================== */

.wallpaper {
  position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background:
    radial-gradient(60% 55% at 12% 4%, var(--wallpaper-1), transparent 60%),
    radial-gradient(60% 60% at 92% 96%, var(--wallpaper-2), transparent 62%),
    var(--bg-deep);
}
.wallpaper::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 52px 52px;
  opacity: .5;
  mask-image: radial-gradient(120% 90% at 50% 0%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(120% 90% at 50% 0%, #000 30%, transparent 78%);
}

/* ==========================================================================
   Menu bar
   ========================================================================== */

.menubar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 90;
  height: var(--menubar-h);
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--sp-md);
  padding: 0 16px;
  background: var(--glass);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  backdrop-filter: blur(20px) saturate(150%);
  border-bottom: 1px solid var(--glass-line);
  font-size: 13px;
  transition: border-color var(--dur-fast);
}
.menubar.is-stuck { border-bottom-color: var(--line-2); }

.menubar__left, .menubar__right { display: flex; align-items: center; gap: 4px; }
.menubar__right { gap: 6px; }

.menubar__brand {
  display: inline-flex; align-items: center; gap: 9px;
  font-weight: 600; font-size: 13.5px; padding: 6px 12px 6px 8px;
  border-radius: var(--r-sm); margin-right: 6px;
}
.menubar__brand:hover { background: var(--line); }
.menubar__logo {
  width: 15px; height: 15px; border-radius: 5px;
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  box-shadow: 0 0 12px -2px var(--accent);
  flex-shrink: 0;
}

.nav__links { display: flex; align-items: center; gap: 1px; }
.nav__links a {
  padding: 6px 11px; border-radius: var(--r-sm);
  color: var(--ink-2); font-size: 13px;
  transition: color var(--dur-fast), background var(--dur-fast);
}
.nav__links a:hover { color: var(--ink); background: var(--line); }
.nav__links a[aria-current="true"] { color: var(--ink); background: var(--line); }

.menubar__cmd {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 5px 8px 5px 12px; border-radius: var(--r-sm);
  border: 1px solid var(--line-2); background: transparent;
  color: var(--ink-2); font-family: inherit; font-size: 12.5px; cursor: pointer;
  white-space: nowrap; flex-shrink: 0;
  transition: color var(--dur-fast), border-color var(--dur-fast), background var(--dur-fast);
}
.menubar__cmd span { min-width: 108px; text-align: left; }
.menubar__cmd:hover { color: var(--ink); border-color: var(--line-strong); background: var(--line); }
.menubar__cmd kbd {
  font-family: var(--font-mono); font-size: 11px; line-height: 1;
  padding: 3px 6px; border-radius: 5px;
  background: var(--line); color: var(--ink-2);
}

.iconbtn {
  display: inline-grid; place-items: center;
  width: 30px; height: 30px; border-radius: var(--r-sm);
  border: 0; background: transparent; color: var(--ink-2); cursor: pointer;
  transition: color var(--dur-fast), background var(--dur-fast);
}
.iconbtn:hover { color: var(--ink); background: var(--line); }
.iconbtn svg { width: 17px; height: 17px; }

.menubar__clock {
  font-family: var(--font-mono); font-size: 12.5px; color: var(--ink);
  font-variant-numeric: tabular-nums; letter-spacing: .02em;
  padding: 0 6px; white-space: nowrap;
}
.menubar__status {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 12.5px; color: var(--ink-2); padding-left: 6px;
  border-left: 1px solid var(--line-2); margin-left: 2px;
}
.menubar__status .dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--live);
  box-shadow: 0 0 8px var(--live); animation: pulse 2.6s ease-in-out infinite;
}
@keyframes pulse { 50% { opacity: .4; } }

.menubar__toggle { display: none; }

/* ==========================================================================
   Layout container
   ========================================================================== */

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

main { padding-top: var(--menubar-h); }

/* ==========================================================================
   Desktop (hero)
   ========================================================================== */

.desktop {
  min-height: calc(100vh - var(--menubar-h));
  display: flex; flex-direction: column; justify-content: center;
  padding: clamp(40px, 7vh, 96px) 0 40px;
}
.desktop .wrap { width: 100%; }

.desktop__greet { margin-bottom: clamp(28px, 4vh, 52px); }
.desktop__eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-mono); font-size: var(--fs-label);
  letter-spacing: .18em; text-transform: uppercase; color: var(--ink-2);
  border: 1px solid var(--line-2); border-radius: 999px;
  padding: 7px 13px; margin-bottom: 22px;
}
.desktop__eyebrow .dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--live);
  box-shadow: 0 0 8px var(--live);
}
.desktop__title {
  font-size: var(--fs-hero); line-height: 1.02; letter-spacing: -0.03em;
  font-weight: 620; margin: 0 0 18px; max-width: 18ch; text-wrap: balance;
}
.desktop__title em { font-style: normal; color: var(--accent); }
.desktop__lede {
  font-size: clamp(15px, 1.5vw, 18px); color: var(--ink-2);
  max-width: 56ch; margin: 0;
}
.desktop__lede strong { color: var(--ink); font-weight: 600; }

/* widget grid — the live desktop tiles */
.widgets {
  display: grid; gap: 16px;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 1fr;
}
.widget {
  position: relative; display: flex; flex-direction: column;
  background: var(--win); border: 1px solid var(--line);
  border-radius: var(--r-lg); padding: 18px; overflow: hidden;
  box-shadow: var(--shadow-win);
  transition: transform var(--dur-base) var(--ease-ui),
              border-color var(--dur-base), box-shadow var(--dur-base);
}
a.widget:hover, button.widget:hover {
  transform: translateY(-4px); border-color: var(--line-2);
  box-shadow: var(--shadow-pop);
}
.widget__head {
  display: flex; align-items: center; justify-content: space-between;
  font-family: var(--font-mono); font-size: 9.5px; letter-spacing: .13em;
  text-transform: uppercase; color: var(--ink-3); margin-bottom: 12px;
}
.widget__live { display: inline-flex; align-items: center; gap: 6px; color: var(--live); }
.widget__live::before {
  content: ""; width: 5px; height: 5px; border-radius: 50%;
  background: var(--live); box-shadow: 0 0 6px var(--live);
}
.widget__num {
  font-size: clamp(30px, 3vw, 40px); font-weight: 640; letter-spacing: -0.02em;
  line-height: 1; color: var(--ink); font-variant-numeric: tabular-nums;
}
.widget__num small { font-size: 13px; font-weight: 500; color: var(--ink-3); margin-left: 6px; letter-spacing: 0; }
.widget__foot { margin-top: auto; padding-top: 12px; color: var(--ink-2); font-size: 13px; display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.widget__arrow { color: var(--accent); }

/* clock + wide widgets span two columns */
.widget--clock { grid-column: span 2; }
.widget--wide { grid-column: span 2; }
.widget__time {
  font-family: var(--font-mono); font-size: clamp(38px, 5vw, 58px);
  font-weight: 500; letter-spacing: -0.02em; line-height: 1;
  color: var(--ink); font-variant-numeric: tabular-nums;
}
.widget__date { color: var(--ink-2); font-size: 14px; margin-top: 8px; }

/* performans sparkline */
.widget__spark { display: flex; align-items: flex-end; gap: 4px; height: 42px; margin-top: 14px; }
.widget__spark b {
  flex: 1; border-radius: 3px 3px 0 0; min-height: 3px;
  background: linear-gradient(180deg, var(--accent-2), var(--accent));
  transition: height var(--dur-slow) var(--ease-ui);
}

/* mini article list in widget */
.widget__list { display: flex; flex-direction: column; gap: 0; margin-top: 2px; }
.widget__list a {
  display: flex; justify-content: space-between; gap: 12px; align-items: baseline;
  padding: 9px 0; border-top: 1px solid var(--line);
  font-size: 13.5px; color: var(--ink-2);
  transition: color var(--dur-fast);
}
.widget__list a:first-child { border-top: 0; }
.widget__list a:hover { color: var(--ink); }
.widget__list a span:last-child { font-family: var(--font-mono); font-size: 11px; color: var(--ink-3); flex-shrink: 0; }

/* cmd hint widget */
.widget--cmd { justify-content: center; align-items: flex-start; cursor: pointer; }
.widget--cmd .k { display: inline-flex; gap: 5px; margin-top: 10px; }
.widget--cmd kbd {
  font-family: var(--font-mono); font-size: 12px; padding: 5px 9px;
  border-radius: 6px; background: var(--win-inset); border: 1px solid var(--line-2); color: var(--ink);
}
.widget--cmd p { color: var(--ink-2); font-size: 13.5px; margin: 0; }

/* ==========================================================================
   Windows — every section is an app window
   ========================================================================== */

.window {
  scroll-margin-top: calc(var(--menubar-h) + 24px);
  margin: 0 auto var(--sp-xl);
  max-width: var(--max-w);
  background: var(--win);
  border: 1px solid var(--line);
  border-radius: var(--r-win);
  box-shadow: var(--shadow-win);
  overflow: hidden;
  /* skip painting off-screen sections; keeps space reserved to avoid jump */
  content-visibility: auto;
  contain-intrinsic-size: auto 640px;
}
.window.is-max { content-visibility: visible; }
.window:last-of-type { margin-bottom: var(--sp-lg); }

.window__bar {
  display: flex; align-items: center; gap: 14px;
  height: 42px; padding: 0 16px;
  background: var(--win-head);
  border-bottom: 1px solid var(--line);
}
.window__lights { display: flex; gap: 8px; flex-shrink: 0; }
.window__lights i {
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--line-strong);
  transition: background var(--dur-fast);
}
.window:hover .window__lights i:nth-child(1) { background: #e8623a; }
.window:hover .window__lights i:nth-child(2) { background: #f0b93a; }
.window:hover .window__lights i:nth-child(3) { background: #5fd08a; }

.window__title {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .02em;
  color: var(--ink-2); display: flex; align-items: center; gap: 8px;
  min-width: 0;
}
.window__title b { color: var(--ink); font-weight: 500; }
.window__title .path { color: var(--ink-3); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.window__badge {
  margin-left: auto; flex-shrink: 0;
  font-family: var(--font-mono); font-size: 9px; letter-spacing: .12em;
  text-transform: uppercase; color: var(--ink-3);
  border: 1px solid var(--line-2); border-radius: 999px; padding: 4px 9px;
}

.window__body {
  padding: clamp(24px, 4vw, 48px);
  transition: max-height 0.34s var(--ease-ui), opacity 0.34s var(--ease-ui),
              padding 0.34s var(--ease-ui);
}
.window.is-min .window__body,
.window.is-closed .window__body { padding-top: 0; padding-bottom: 0; }

/* ---- window as a real OS window: drag, controls, states ---- */
.window { will-change: transform; }
.window__bar { cursor: grab; user-select: none; -webkit-user-select: none; touch-action: none; }
.window.is-dragging { user-select: none; }
.window.is-dragging .window__bar { cursor: grabbing; }
.window.is-lifted { box-shadow: var(--shadow-pop); position: relative; }

/* traffic lights become controls */
.window__lights .wl {
  cursor: pointer; padding: 0; -webkit-appearance: none; appearance: none;
}
.window__lights .wl:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.window__lights .wl--close:hover { background: #e8623a; }
.window__lights .wl--min:hover  { background: #f0b93a; }
.window__lights .wl--zoom:hover { background: #5fd08a; }

/* collapsed (minimize / close) */
.window.is-min .window__bar,
.window.is-closed .window__bar { cursor: pointer; }
.window.is-closed { opacity: 0.62; }
.window.is-min .window__title::after { content: " — açmak için tıkla"; color: var(--ink-3); font-weight: 400; }
.window.is-closed .window__title::after { content: " — kapalı"; color: var(--ink-3); font-weight: 400; }

/* fullscreen */
.window.is-max {
  position: fixed; inset: var(--menubar-h) 0 0 0;
  margin: 0; width: auto; max-width: none; border-radius: 0;
  border-left: 0; border-right: 0; z-index: 120; overflow: auto;
  transform: none !important; box-shadow: none;
}
body.has-max { overflow: hidden; }
@media (prefers-reduced-motion: reduce) {
  .window__body { transition: none; }
}

/* section header inside a window */
.sec-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: var(--sp-md); margin-bottom: var(--sp-lg);
  flex-wrap: wrap;
}
.sec-head__eyebrow {
  font-family: var(--font-mono); font-size: var(--fs-label);
  letter-spacing: .16em; text-transform: uppercase; color: var(--accent);
  margin: 0 0 10px;
}
.sec-head__title {
  font-size: var(--fs-h2); letter-spacing: -0.02em; line-height: 1.05;
  font-weight: 620; margin: 0; text-wrap: balance;
}
.sec-head__meta {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .04em;
  color: var(--ink-3); text-align: right; line-height: 1.5;
}

/* ==========================================================================
   Dock
   ========================================================================== */

.dock {
  position: fixed; left: 50%; bottom: 16px; z-index: 90;
  transform: translateX(-50%);
  display: flex; align-items: flex-end; gap: 8px;
  padding: 8px 12px;
  background: var(--glass);
  -webkit-backdrop-filter: blur(22px) saturate(160%);
  backdrop-filter: blur(22px) saturate(160%);
  border: 1px solid var(--glass-line);
  border-radius: 20px;
  box-shadow: var(--shadow-pop);
  max-width: calc(100vw - 24px);
}
.dock__item {
  position: relative;
  display: grid; place-items: center;
  width: 42px; height: 42px; border-radius: 12px;
  border: 1px solid var(--line); background: var(--win-2);
  color: var(--ink-2); cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-spring),
              color var(--dur-fast), border-color var(--dur-fast), background var(--dur-fast);
}
.dock__item:hover {
  transform: translateY(-8px) scale(1.08);
  color: var(--ink); border-color: var(--line-2); background: var(--win-head);
}
.dock__item svg { width: 19px; height: 19px; }
.dock__item--accent { color: var(--accent); }
.dock__sep { width: 1px; height: 30px; align-self: center; background: var(--line-2); margin: 0 4px; }

.dock__item::after {
  content: attr(data-label);
  position: absolute; bottom: calc(100% + 10px); left: 50%;
  transform: translateX(-50%) translateY(4px);
  font-family: var(--font-mono); font-size: 11px; white-space: nowrap;
  color: var(--ink); background: var(--glass);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  border: 1px solid var(--glass-line); border-radius: 7px;
  padding: 5px 9px; opacity: 0; pointer-events: none;
  transition: opacity var(--dur-fast), transform var(--dur-fast);
}
.dock__item:hover::after { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  max-width: var(--max-w); margin: 0 auto;
  padding: var(--sp-lg) var(--gutter) var(--sp-md);
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--sp-sm); flex-wrap: wrap;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono); font-size: 11.5px; color: var(--ink-3);
}
.footer a:hover { color: var(--ink); }

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1080px) {
  .widgets { grid-template-columns: repeat(2, 1fr); }
  .widget--clock { grid-column: span 2; }
}

@media (max-width: 860px) {
  .nav__links {
    position: fixed; top: var(--menubar-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 2px;
    padding: 10px; background: var(--glass);
    -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--line-2);
    transform: translateY(-8px); opacity: 0; pointer-events: none;
    transition: opacity var(--dur-fast), transform var(--dur-fast);
  }
  .nav__links.is-open { transform: none; opacity: 1; pointer-events: auto; }
  .nav__links a { padding: 12px 14px; }
  .menubar__toggle {
    display: inline-grid; place-items: center;
    width: 32px; height: 30px; border-radius: var(--r-sm);
    border: 1px solid var(--line-2); background: transparent;
    color: var(--ink-2); font-family: var(--font-mono); font-size: 10px; cursor: pointer;
  }
  .menubar__cmd span, .menubar__status { display: none; }
  .menubar__clock { display: none; }
}

@media (max-width: 620px) {
  .widgets { grid-template-columns: 1fr; }
  .widget--clock, .widget--wide { grid-column: auto; }
  .desktop { min-height: auto; padding-top: 40px; }
  .menubar__brand span { display: none; }
  .dock__item:nth-child(n+6):not(.dock__item--accent) { display: none; }
}