/* Google Workspace Eğitim Programı · Saha kılavuzu tasarım sistemi
   Krem kâğıt zemin, İznik kobaltı imza renk, Fraunces + IBM Plex. */

:root {
  --paper: #F7F3EA;
  --paper-2: #EFE8DA;
  --paper-3: #E6DCC8;
  --card: #FBF8F1;
  --ink: #1C2430;
  --ink-2: #4A5462;
  --ink-3: #6B7480;
  --rule: #D9CFBD;
  --rule-2: #C7BBA4;
  --cobalt: #1F4E9E;
  --cobalt-ink: #163A78;
  --cobalt-50: #E7EDF7;
  --cobalt-100: #CFDBEF;
  --turq: #13857E;
  --turq-ink: #0E5F5A;
  --turq-50: #E2F0EE;
  --coral: #C2452D;
  --coral-ink: #A3361F;
  --coral-50: #F8E6E0;
  --saffron: #C98A12;
  --saffron-ink: #855A06;
  --saffron-50: #F7ECD6;
  --plum: #5E44AE;
  --plum-50: #ECE7F7;
  --serif: "Fraunces", "Iowan Old Style", Georgia, serif;
  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --chamfer: polygon(8px 0, calc(100% - 8px) 0, 100% 8px, 100% calc(100% - 8px), calc(100% - 8px) 100%, 8px 100%, 0 calc(100% - 8px), 0 8px);
  --chamfer-sm: polygon(5px 0, calc(100% - 5px) 0, 100% 5px, 100% calc(100% - 5px), calc(100% - 5px) 100%, 5px 100%, 0 calc(100% - 5px), 0 5px);
  --mast-h: 64px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--mast-h) + 20px); }
body {
  margin: 0;
  background-color: var(--paper);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.35 0 0 0 0 0.28 0 0 0 0 0.18 0 0 0 .05 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--cobalt); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--cobalt-ink); text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--cobalt); outline-offset: 2px; border-radius: 2px; }
::selection { background: var(--cobalt-100); }
strong { font-weight: 600; }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.muted { color: var(--ink-2); }
.small { font-size: .86rem; }
.mono { font-family: var(--mono); font-size: .9em; }
[hidden] { display: none !important; }

.skip { position: absolute; left: 12px; top: -60px; z-index: 100; background: var(--ink); color: var(--paper); padding: 8px 14px; border-radius: 4px; }
.skip:focus { top: 12px; }

/* ---------------------------------------------------------- masthead */
.masthead {
  position: sticky; top: 0; z-index: 40;
  background: rgba(247, 243, 234, .94);
  -webkit-backdrop-filter: saturate(1.2) blur(8px);
  backdrop-filter: saturate(1.2) blur(8px);
  border-bottom: 1px solid var(--rule);
}
.masthead::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -4px; height: 3px;
  background: linear-gradient(90deg, var(--cobalt) 0 25%, var(--turq) 25% 50%, var(--coral) 50% 75%, var(--saffron) 75% 100%);
  opacity: 0; transition: opacity .3s;
}
.masthead.is-scrolled::after { opacity: .0; }
.masthead__inner { max-width: 1280px; margin: 0 auto; height: var(--mast-h); padding: 0 28px; display: flex; align-items: center; gap: 28px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); flex-shrink: 0; }
.brand:hover { color: var(--ink); }
.brand__seal { width: 38px; height: 38px; transition: transform .4s var(--ease); }
.brand:hover .brand__seal { transform: rotate(-8deg); }
.brand__text { display: flex; flex-direction: column; line-height: 1.1; }
.brand__kicker { font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-2); }
.brand__name { font-family: var(--serif); font-size: 20px; font-weight: 600; font-variation-settings: "opsz" 36; letter-spacing: -.01em; }
.topnav { flex: 1; }
.topnav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 4px; justify-content: center; }
.topnav a {
  display: block; padding: 8px 12px; font-size: 14.5px; font-weight: 500; color: var(--ink-2); text-decoration: none;
  border-radius: 3px; position: relative;
}
.topnav a:hover { color: var(--ink); background: var(--paper-2); }
.topnav a[aria-current="page"] { color: var(--cobalt-ink); }
.topnav a[aria-current="page"]::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: 2px; border-bottom: 2px dotted var(--cobalt); }
.masthead__tools { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.tool {
  display: inline-flex; align-items: center; gap: 8px; height: 36px; padding: 0 12px;
  border: 1px solid var(--rule-2); border-radius: 4px; background: var(--card); color: var(--ink);
  font: 500 14px var(--sans); cursor: pointer;
}
.tool svg { width: 17px; height: 17px; }
.tool:hover { border-color: var(--ink-3); }
.tool__kbd { font: 11px var(--mono); color: var(--ink-3); border: 1px solid var(--rule); border-radius: 3px; padding: 1px 5px; background: var(--paper); }
.tool--menu { display: none; padding: 0 9px; }
.lang select {
  height: 36px; border: 1px solid var(--rule-2); border-radius: 4px; background: var(--card); color: var(--ink);
  font: 500 13px var(--mono); padding: 0 26px 0 10px; letter-spacing: .06em; cursor: pointer;
  appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%234A5462' stroke-width='1.4'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 9px center;
}
.mobilenav { border-top: 1px solid var(--rule); background: var(--paper); }
.mobilenav ul { list-style: none; margin: 0; padding: 10px 20px 18px; display: grid; gap: 2px; }
.mobilenav a { display: block; padding: 10px 6px; text-decoration: none; color: var(--ink); font-weight: 500; border-bottom: 1px dotted var(--rule); }
.mobilenav a[aria-current="page"] { color: var(--cobalt); }

.langnote { display: none; background: var(--saffron-50); border-bottom: 1px solid #E8D5AE; }
html:not([data-ui="tr"]) .langnote { display: block; }
.langnote p { max-width: 1280px; margin: 0 auto; padding: 7px 28px; font-size: 14px; color: var(--saffron-ink); }
.langnote__tag { font: 500 11px var(--mono); border: 1px solid currentColor; border-radius: 3px; padding: 0 5px; margin-right: 6px; }

/* ---------------------------------------------------------- yerleşim */
.shell {
  max-width: 1240px; margin: 0 auto; padding: 0 28px;
  display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 40px;
}
.main { min-width: 0; padding: 48px 0 96px; outline: none; }
.shell .main { padding-left: 96px; }
.main--narrow { max-width: 820px; margin: 0 auto; padding: 48px 28px 96px; }
.main--wide { max-width: 1040px; margin: 0 auto; padding: 48px 28px 96px; }
.prose { max-width: 720px; }
.main--narrow .prose { max-width: none; }

/* raylar */
.rail { position: relative; }
.rail__toggle { display: none; }
.rail__inner {
  position: sticky; top: calc(var(--mast-h) + 24px); max-height: calc(100vh - var(--mast-h) - 40px); overflow: auto;
  padding: 48px 4px 40px 0; scrollbar-width: thin;
}
.rail__label { font: 500 11px var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); margin: 0 0 10px; }
.railnav { margin-bottom: 30px; }
.railnav ul { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--rule); }
.railnav a { display: block; padding: 6px 0 6px 14px; margin-left: -1px; border-left: 2px solid transparent; color: var(--ink-2); text-decoration: none; font-size: 14.5px; }
.railnav a:hover { color: var(--ink); }
.railnav a[aria-current="page"] { border-left-color: var(--cobalt); color: var(--cobalt-ink); font-weight: 600; }
.toc ol { list-style: none; margin: 0; padding: 0; }
.toc a { display: flex; justify-content: space-between; gap: 10px; padding: 5px 0 5px 12px; border-left: 2px solid transparent; color: var(--ink-2); text-decoration: none; font-size: 14px; line-height: 1.35; }
.toc a:hover { color: var(--ink); }
.toc a.is-active { color: var(--cobalt-ink); border-left-color: var(--cobalt); background: linear-gradient(90deg, var(--cobalt-50), transparent); }
.toc__m { font: 11.5px var(--mono); color: var(--ink-3); white-space: nowrap; padding-top: 1px; }
.toc .toc--overview a, .toc .toc--quiz a, .toc .toc--faq a, .toc .toc--recap a, .toc .toc--refs a, .toc .toc--appendix a { font-style: normal; }
.toc .toc--lab a { color: var(--turq-ink); font-weight: 500; }
.railcard { background: var(--card); border: 1px solid var(--rule); padding: 16px; margin-bottom: 26px; clip-path: var(--chamfer); }
.railcard__code { font: 500 12px var(--mono); letter-spacing: .1em; color: var(--cobalt); margin: 0; }
.railcard__title { font-family: var(--serif); font-size: 17px; font-weight: 600; line-height: 1.25; margin: 4px 0 14px; }
.railcard .btn { font-size: 14px; padding: 0 14px; min-height: 42px; white-space: nowrap; }
.railcard__meta { font-size: 13px; color: var(--ink-2); margin: 10px 0 0; }
.railmods { margin-top: 28px; border-top: 1px solid var(--rule); padding-top: 14px; }
.railmods summary { font: 500 11px var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); cursor: pointer; list-style: none; }
.railmods summary::-webkit-details-marker { display: none; }
.railmods summary::after { content: " +"; }
.railmods[open] summary::after { content: " −"; }
.railmods ol { list-style: none; padding: 0; margin: 10px 0 0; }
.railmods a { display: flex; gap: 8px; padding: 4px 0; font-size: 13.5px; color: var(--ink-2); text-decoration: none; line-height: 1.35; }
.railmods a[aria-current="page"] { color: var(--cobalt-ink); font-weight: 600; }
.railmods__n { font: 12px var(--mono); color: var(--ink-3); min-width: 18px; padding-top: 1px; }
.railmods a.is-done .railmods__n { color: var(--turq); }

/* ---------------------------------------------------------- tipografi */
h1, h2, h3, h4 { font-family: var(--serif); color: var(--ink); font-weight: 600; letter-spacing: -.012em; }
h1 { font-size: clamp(2.1rem, 1.4rem + 2.6vw, 3.2rem); line-height: 1.06; margin: 0 0 18px; font-variation-settings: "opsz" 144; }
.prose h2 { font-size: 1.75rem; line-height: 1.18; margin: 0 0 14px; font-variation-settings: "opsz" 72; }
.prose h3 { font-size: 1.28rem; line-height: 1.3; margin: 34px 0 10px; font-variation-settings: "opsz" 36; }
.prose h4 { font-family: var(--sans); font-size: 1rem; font-weight: 600; margin: 26px 0 8px; letter-spacing: 0; }
.prose p, .prose ul, .prose ol { margin: 0 0 16px; }
.prose ul { padding-left: 1.2em; }
.prose ul li::marker { color: var(--cobalt); }
.prose li { margin: 5px 0; }
.eyebrow { font: 500 12px var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--cobalt); margin: 0 0 14px; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.lead { font-size: 1.16rem; line-height: 1.6; color: var(--ink-2); margin: 0 0 8px; }
.pagehead { margin-bottom: 40px; padding-bottom: 28px; border-bottom: 1px solid var(--rule); position: relative; }
.pagehead::after { content: ""; position: absolute; left: 0; bottom: -1px; width: 72px; height: 3px; background: var(--cobalt); }
.prose > h2 { margin-top: 56px; padding-top: 22px; border-top: 1px dotted var(--rule-2); }
.prose > .pagehead + h2 { margin-top: 0; border-top: 0; padding-top: 0; }
.note { font-size: .94rem; color: var(--ink-2); border-left: 2px solid var(--rule-2); padding-left: 14px; }

code {
  font-family: var(--mono); font-size: .86em; background: var(--paper-2); border: 1px solid var(--rule);
  border-radius: 3px; padding: .06em .32em; word-break: break-word;
}
code.formula { background: var(--turq-50); border-color: #BFDCD8; color: var(--turq-ink); }
.copy-inline { border: 0; background: none; color: var(--ink-3); cursor: pointer; padding: 0 2px; font-size: .8em; vertical-align: 1px; }
.copy-inline:hover { color: var(--turq-ink); }
.copy-inline.is-copied { color: var(--turq); }
.route {
  font-family: var(--mono); font-size: .84em; font-weight: 500; color: var(--cobalt-ink);
  background: var(--cobalt-50); border: 1px solid var(--cobalt-100); border-radius: 3px; padding: .08em .42em;
  -webkit-box-decoration-break: clone; box-decoration-break: clone;
}
.route__sep { color: var(--cobalt); opacity: .65; margin: 0 .32em; }
.cite { font: 500 .66em var(--mono); line-height: 0; margin-left: 1px; }
.cite a { text-decoration: none; }
a.ext { word-break: break-word; }
.file-link { font-family: var(--mono); font-size: .88em; font-weight: 500; }
.file-link::before { content: "↓ "; }
kbd {
  font: 500 .8em var(--mono); background: var(--card); border: 1px solid var(--rule-2); border-bottom-width: 2px;
  border-radius: 4px; padding: .1em .45em; white-space: nowrap; color: var(--ink);
}
.keys { display: inline-flex; flex-wrap: wrap; gap: 4px; align-items: center; }
.kbd-plus, .kbd-or { font: .8em var(--mono); color: var(--ink-3); }
.kbd-or { margin: 0 4px; }

/* ---------------------------------------------------------- modül başlığı */
.modhead { position: relative; margin-bottom: 52px; }
.prose .modhead__no {
  position: absolute; right: 100%; margin-right: 22px; top: -14px;
  font-family: var(--serif); font-size: 88px; line-height: 1; font-weight: 400; color: transparent;
  -webkit-text-stroke: 1.2px var(--cobalt); font-variation-settings: "opsz" 144; margin-top: 0; margin-bottom: 0;
}
.spec { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 0; margin: 28px 0 0; border-top: 1.5px solid var(--ink); }
.spec > div { padding: 12px 16px 12px 0; border-bottom: 1px solid var(--rule); }
.spec dt { font: 500 11px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 4px; }
.spec dd { margin: 0; font-size: 15.5px; }
.spec--module { grid-template-columns: 1fr 1fr 1.4fr; }
.spec--module .spec__wide { grid-column: 1 / -1; }
.prose > .spec { grid-template-columns: 1fr; }
.prose > .spec > div { display: grid; grid-template-columns: 170px 1fr; gap: 16px; padding: 12px 0; }
.lvl { display: inline-block; font: 500 11px var(--mono); letter-spacing: .08em; text-transform: uppercase; padding: 2px 7px; border-radius: 2px; border: 1px solid; white-space: nowrap; }
.lvl--l1 { color: var(--turq-ink); border-color: #A9D3CE; background: var(--turq-50); }
.lvl--l2 { color: var(--saffron-ink); border-color: #E5CC97; background: var(--saffron-50); }
.lvl--l3 { color: var(--coral-ink); border-color: #E9B8AB; background: var(--coral-50); }
.lvl--l0 { color: var(--plum); border-color: #CEC3EA; background: var(--plum-50); }
.flow { margin-top: 26px; background: var(--card); border: 1px solid var(--rule); padding: 0 18px; }
.flow summary { display: flex; justify-content: space-between; align-items: center; padding: 13px 0; cursor: pointer; font: 500 12px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-2); list-style: none; }
.flow summary::-webkit-details-marker { display: none; }
.flow summary::before { content: "+"; font-size: 15px; margin-right: 10px; color: var(--cobalt); }
.flow[open] summary::before { content: "−"; }
.flow summary > span:first-child { flex: 1; }
.flow__total { color: var(--cobalt-ink); }

/* tarife (dotted leader) */
.timetable { list-style: none; margin: 0; padding: 0; }
.timetable li { display: flex; align-items: baseline; gap: 12px; }
.timetable--flow { padding-bottom: 14px; }
.timetable--flow li { padding: 7px 0; border-top: 1px dotted var(--rule); font-size: 15px; }
.tt__n { font: 500 12px var(--mono); color: var(--ink-3); min-width: 20px; }
.tt__t { flex: 0 1 auto; }
.tt__leader { flex: 1 1 24px; min-width: 24px; border-bottom: 2px dotted var(--rule-2); transform: translateY(-5px); }
.tt__d { font: 500 13px var(--mono); color: var(--cobalt-ink); white-space: nowrap; }

/* ---------------------------------------------------------- bölümler */
.sec { margin-top: 64px; }
.sec:first-of-type { margin-top: 0; }
.sec__head { position: relative; margin-bottom: 18px; padding-top: 22px; border-top: 1px solid var(--rule); }
.sec__head h2 { margin: 0; }
.sec__sub { font-family: var(--serif); font-style: italic; font-size: 1.15rem; color: var(--ink-2); margin: 6px 0 0 !important; line-height: 1.4; }
.sec__meta { position: absolute; right: 100%; top: 24px; margin-right: 22px; display: flex; flex-direction: column; align-items: flex-end; gap: 6px; width: 74px; }
.sec__num { font-family: var(--serif); font-size: 30px; line-height: 1; color: var(--cobalt); font-variation-settings: "opsz" 72; }
.sec__time { font: 500 11.5px var(--mono); color: var(--ink-2); background: var(--card); border: 1px solid var(--rule); border-radius: 20px; padding: 1px 8px; white-space: nowrap; }
.sec--lab .sec__head { border-top: 3px double var(--turq); }
.sec--lab .sec__head h2::before { content: ""; display: inline-block; width: 12px; height: 12px; background: var(--turq); clip-path: var(--chamfer-sm); margin-right: 10px; vertical-align: 3px; }

/* adım damgaları */
ol.steps { list-style: none; padding: 0; counter-reset: step; }
ol.steps > li { counter-increment: step; position: relative; padding-left: 46px; margin: 10px 0; min-height: 30px; }
ol.steps > li::before {
  content: counter(step); position: absolute; left: 0; top: -1px; width: 30px; height: 30px;
  border: 1.5px solid var(--cobalt); border-radius: 50%; display: grid; place-items: center;
  font: 500 13px var(--mono); color: var(--cobalt); background: var(--paper); transform: rotate(-6deg);
  box-shadow: inset 0 0 0 2px var(--paper), inset 0 0 0 3px rgba(31, 78, 158, .18);
}
ol.steps > li:nth-child(3n+2)::before { transform: rotate(4deg); }
ol.steps > li:nth-child(3n)::before { transform: rotate(-2deg); }

/* bilgi kutuları: etiket kenar boşluğunda asılı */
.callout { position: relative; margin: 26px 0; background: var(--card); border-left: 3px solid var(--c, var(--cobalt)); padding: 14px 18px 2px; }
.callout__label {
  position: absolute; right: 100%; top: 15px; margin-right: 18px; width: 86px; text-align: right;
  font: 500 10.5px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--c-ink, var(--cobalt-ink)); line-height: 1.3;
}
.callout__title { font-weight: 600; margin: 0 0 6px !important; }
.callout__body p, .callout__body ul, .callout__body ol { margin: 0 0 12px; font-size: .96rem; }
.callout__body ul { padding-left: 1.1em; }
.callout--ipucu { --c: var(--turq); --c-ink: var(--turq-ink); background: var(--turq-50); }
.callout--dikkat { --c: var(--coral); --c-ink: var(--coral-ink); background: var(--coral-50); }
.callout--gemini { --c: var(--plum); --c-ink: var(--plum); background: var(--plum-50); }
.callout--egitmen { --c: var(--saffron); --c-ink: var(--saffron-ink); background: var(--saffron-50); border-left-style: dashed; }
.callout--not { --c: var(--cobalt); --c-ink: var(--cobalt-ink); background: var(--cobalt-50); }
.callout--gemini .copy { margin: 0 0 12px; }
.callout__label::after { content: ""; display: block; margin: 6px 0 0 auto; width: 22px; border-bottom: 2px dotted currentColor; opacity: .6; }

/* tablolar */
.table-wrap { overflow-x: auto; margin: 22px 0 24px; -webkit-overflow-scrolling: touch; }
.table-wrap table { width: 100%; border-collapse: collapse; font-size: 15px; line-height: 1.5; }
.table-wrap caption { text-align: left; font: 500 12px var(--mono); color: var(--ink-3); padding-bottom: 6px; }
.table-wrap thead th {
  text-align: left; font: 500 11px var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-2);
  padding: 8px 12px 8px 0; border-bottom: 1.5px solid var(--ink); vertical-align: bottom;
}
.table-wrap td, .table-wrap tbody th { padding: 10px 12px 10px 0; border-bottom: 1px solid var(--rule); vertical-align: top; text-align: left; font-weight: 400; }
.table-wrap tbody th.strong { font-weight: 600; min-width: 120px; }
.table-wrap tfoot td { padding: 10px 12px 10px 0; border-top: 1.5px solid var(--ink); font-weight: 600; }
.table-wrap .num { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
.table-wrap thead th.num { text-align: right; }
.table-wrap tbody tr:hover { background: rgba(231, 237, 247, .45); }
.tbl-map td:nth-child(2) { min-width: 210px; }
.tbl-changes td:last-child { white-space: nowrap; }
.tbl-keys td:first-child { width: 42%; }
.tbl-levels td:last-child { min-width: 170px; }

/* çipler */
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 2px 8px; margin: 2px 2px 2px 0; border: 1px solid var(--cobalt-100); background: var(--cobalt-50); border-radius: 20px; font: 500 12px var(--mono); color: var(--cobalt-ink); text-decoration: none; white-space: nowrap; }
.chip:hover { background: var(--cobalt); color: var(--paper); border-color: var(--cobalt); }
.chip.is-done { background: var(--turq-50); border-color: #A9D3CE; color: var(--turq-ink); }
.chip.is-done .chip__n::after { content: " ✓"; }

/* kontrol listesi */
.checklist { list-style: none; padding: 0 !important; margin: 14px 0 22px; }
.checklist li { margin: 0; border-bottom: 1px dotted var(--rule); }
.check { display: flex; gap: 12px; align-items: flex-start; padding: 9px 0; cursor: pointer; }
.check input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.check__box { flex: 0 0 20px; height: 20px; margin-top: 3px; border: 1.5px solid var(--ink-3); border-radius: 3px; background: var(--card); display: grid; place-items: center; transition: background .15s, border-color .15s; }
.check__box::after { content: ""; width: 10px; height: 6px; border-left: 2px solid var(--paper); border-bottom: 2px solid var(--paper); transform: rotate(-45deg) translate(1px, -1px); opacity: 0; }
.check input:checked + .check__box { background: var(--turq); border-color: var(--turq); }
.check input:checked + .check__box::after { opacity: 1; }
.check input:checked ~ .check__text { color: var(--ink-2); }
.check input:focus-visible + .check__box { outline: 2px solid var(--cobalt); outline-offset: 2px; }

/* çözüm anahtarı */
.solution { margin: 26px 0; border: 1px dashed var(--rule-2); background: var(--card); }
.solution summary { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 14px 18px; cursor: pointer; list-style: none; font-family: var(--serif); font-size: 1.2rem; font-weight: 600; }
.solution summary::-webkit-details-marker { display: none; }
.solution__hint { font: 500 18px var(--mono); color: var(--turq); width: 28px; height: 28px; border: 1.5px solid var(--turq); border-radius: 50%; display: grid; place-items: center; transition: transform .25s var(--ease); flex-shrink: 0; }
.solution[open] .solution__hint { transform: rotate(45deg); }
.solution__body { padding: 0 18px 8px; border-top: 1px dashed var(--rule-2); }
.solution__body > h4:first-child { margin-top: 18px; }

/* bilgi kontrolü kartları */
.qcards-tools { display: flex; justify-content: flex-end; margin: -6px 0 10px; }
.qcards { list-style: none; padding: 0 !important; margin: 0 0 20px; display: grid; gap: 10px; }
.qcard { margin: 0 !important; background: var(--card); border: 1px solid var(--rule); padding: 14px 18px; clip-path: var(--chamfer); }
.qcard__q { display: flex; gap: 14px; margin: 0 0 8px !important; font-weight: 500; }
.qcard__n { font-family: var(--serif); font-size: 22px; line-height: 1.1; color: var(--cobalt); min-width: 22px; }
.qcard__toggle { margin-left: 36px; background: none; border: 0; padding: 0; color: var(--cobalt); font: 500 13px var(--mono); cursor: pointer; text-decoration: underline dotted; text-underline-offset: 4px; }
.qcard__a { margin: 10px 0 0 36px; padding: 10px 14px; border-left: 3px solid var(--turq); background: var(--turq-50); font-size: .96rem; }
.qcard__a p { margin: 0 !important; }

/* SSS */
.faq { border-top: 1px solid var(--rule); }
.faq:last-of-type { border-bottom: 1px solid var(--rule); }
.faq summary { padding: 14px 40px 14px 0; cursor: pointer; font-weight: 600; list-style: none; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 6px; top: 12px; font: 500 18px var(--mono); color: var(--cobalt); transition: transform .2s; }
.faq[open] summary::after { transform: rotate(45deg); }
.faq__a { padding: 0 0 8px; color: var(--ink-2); }

/* akılda kalsın */
ul.recap { list-style: none; padding: 20px 24px !important; background: var(--cobalt-50); border-top: 3px solid var(--cobalt); counter-reset: r; }
ul.recap li { position: relative; padding-left: 34px; counter-increment: r; margin: 8px 0; }
ul.recap li::before { content: counter(r, decimal-leading-zero); position: absolute; left: 0; top: 2px; font: 500 12px var(--mono); color: var(--cobalt); }

/* kaynaklar */
.refs { list-style: none; padding: 0 !important; margin: 0; font-size: 14.5px; }
.refs li { display: grid; grid-template-columns: 34px 1fr; gap: 8px; padding: 9px 0; border-bottom: 1px dotted var(--rule); margin: 0; }
.refs li:target { background: var(--saffron-50); }
.refs__n { font: 500 12px var(--mono); color: var(--ink-3); padding-top: 2px; }
.refs__title { display: block; color: var(--ink); }
.refs .ext { font: 12.5px var(--mono); color: var(--ink-2); }

/* düğmeler */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 46px; padding: 0 22px; border: 0; cursor: pointer; text-decoration: none;
  background: var(--cobalt); color: var(--paper); font: 600 15px var(--sans); letter-spacing: .01em;
  clip-path: var(--chamfer); transition: background .2s, transform .2s var(--ease);
}
.btn:hover { background: var(--cobalt-ink); color: var(--paper); text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn--ghost { background: transparent; color: var(--cobalt-ink); box-shadow: inset 0 0 0 1.5px var(--cobalt); clip-path: none; border-radius: 2px; }
.btn--ghost:hover { background: var(--cobalt-50); color: var(--cobalt-ink); }
.btn--sm { min-height: 34px; padding: 0 14px; font-size: 13.5px; }
.btn--block { width: 100%; }
.btn__arrow { transition: transform .25s var(--ease); }
.btn:hover .btn__arrow { transform: translateX(4px); }
.btn--done { background: var(--ink); }
.btn--done .btn__icon { width: 16px; height: 16px; border: 1.5px solid currentColor; border-radius: 3px; display: inline-block; }
.btn--done[aria-pressed="true"] { background: var(--turq); }
.btn--done[aria-pressed="true"] .btn__icon { background: var(--paper); border-color: var(--paper); position: relative; }
.btn--done[aria-pressed="true"] .btn__icon::after { content: ""; position: absolute; left: 4px; top: 1px; width: 5px; height: 9px; border: solid var(--turq); border-width: 0 2px 2px 0; transform: rotate(45deg); }
.copy { display: inline-flex; align-items: center; gap: 6px; background: var(--card); border: 1px solid var(--rule-2); border-radius: 3px; padding: 4px 10px; font: 500 12px var(--mono); color: var(--ink-2); cursor: pointer; }
.copy::before { content: "⧉"; }
.copy:hover { border-color: var(--plum); color: var(--plum); }
.copy.is-copied { border-color: var(--turq); color: var(--turq-ink); }
.copy.is-copied::before { content: "✓"; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 26px 0; }
.more { font-weight: 600; text-decoration: none; }
.more:hover { text-decoration: underline; }

/* modül sonu */
.modend { margin-top: 80px; padding-top: 28px; border-top: 1.5px solid var(--ink); display: grid; gap: 26px; }
.modend__done { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }
.modend__done p { margin: 0; }
.dlinline { list-style: none; display: flex; gap: 18px; padding: 0 !important; margin: 0; }
.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.pager a { display: flex; flex-direction: column; gap: 4px; padding: 16px 18px; border: 1px solid var(--rule); background: var(--card); text-decoration: none; color: var(--ink); transition: border-color .2s, transform .2s var(--ease); }
.pager a:hover { border-color: var(--cobalt); transform: translateY(-2px); }
.pager__next { text-align: right; grid-column: 2; }
.pager__dir { font: 500 11px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--cobalt); }
.pager__t { font-family: var(--serif); font-weight: 600; line-height: 1.3; }

/* ---------------------------------------------------------- ana sayfa */
.home { outline: none; }
.hero { max-width: 1240px; margin: 0 auto; padding: 64px 28px 40px; display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr); gap: 56px; align-items: center; }
.hero__title { font-size: clamp(2.6rem, 1.6rem + 3.8vw, 4.6rem); line-height: 1.0; letter-spacing: -.025em; margin-bottom: 24px; }
.hero__title em { display: block; font-style: italic; font-weight: 400; color: var(--cobalt); font-variation-settings: "opsz" 144, "SOFT" 50; }
.hero__lead { font-size: 1.2rem; color: var(--ink-2); max-width: 36em; margin: 0 0 30px; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 44px; }
.hero__art { margin: 0; position: relative; }
.hero__art img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; clip-path: var(--chamfer); background: var(--paper-2); }
.hero__art::before { content: ""; position: absolute; inset: 14px -14px -14px 14px; border: 1px solid var(--rule-2); z-index: -1; }
.stats { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, auto); justify-content: start; gap: 0; border-top: 1.5px solid var(--ink); }
.stats li { padding: 14px 26px 0 0; margin-right: 26px; border-right: 1px solid var(--rule); }
.stats li:last-child { border-right: 0; margin-right: 0; }
.stats__v { display: block; font-family: var(--serif); font-size: 2.3rem; line-height: 1; font-weight: 500; color: var(--cobalt); font-variation-settings: "opsz" 144; }
.stats__l { display: block; font: 500 11px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); margin-top: 6px; max-width: 13ch; line-height: 1.35; }
.homeprogress { max-width: 1240px; margin: 0 auto; padding: 0 28px; display: none; align-items: center; gap: 20px; }
.homeprogress.has-progress { display: flex; }
.homeprogress p { margin: 0; font-size: 15px; white-space: nowrap; }
.bar { flex: 1; height: 6px; background: var(--paper-3); border-radius: 3px; overflow: hidden; }
.bar span { display: block; height: 100%; width: 0; background: repeating-linear-gradient(90deg, var(--turq) 0 10px, var(--turq-ink) 10px 12px); transition: width .6s var(--ease); }
.band { max-width: 1240px; margin: 0 auto; padding: 72px 28px 0; }
.sechead { display: flex; align-items: baseline; justify-content: space-between; gap: 24px; flex-wrap: wrap; border-bottom: 1.5px solid var(--ink); padding-bottom: 12px; margin-bottom: 8px; }
.sechead h2 { font-size: clamp(1.8rem, 1.3rem + 1.4vw, 2.5rem); margin: 0; line-height: 1.1; }
.sechead p { margin: 0; color: var(--ink-2); max-width: 34em; }
.timetable--home li { display: block; }
.timetable--home a {
  display: grid; grid-template-columns: 64px minmax(0, auto) minmax(30px, 1fr) auto 84px 26px; align-items: center; gap: 0 14px;
  padding: 14px 8px; border-bottom: 1px solid var(--rule); text-decoration: none; color: var(--ink);
  transition: background .2s, padding .25s var(--ease);
}
.timetable--home a:hover { background: var(--cobalt-50); padding-left: 16px; }
.timetable--home .tt__n { font-family: var(--serif); font-size: 30px; color: var(--cobalt); font-weight: 400; font-variation-settings: "opsz" 72; min-width: 0; line-height: 1; }
.timetable--home .tt__body { display: flex; flex-direction: column; }
.timetable--home .tt__t { font-family: var(--serif); font-size: 1.2rem; font-weight: 600; line-height: 1.25; }
.timetable--home .tt__o { font-size: 13.5px; color: var(--ink-2); line-height: 1.4; margin-top: 2px; }
.timetable--home .tt__leader { transform: none; align-self: center; }
.timetable--home .tt__d { text-align: right; font-size: 14px; }
.tt__s { width: 20px; height: 20px; border: 1.5px solid var(--rule-2); border-radius: 50%; justify-self: end; }
a.is-done .tt__s { background: var(--turq); border-color: var(--turq); box-shadow: inset 0 0 0 3px var(--paper); }
.tt__total { text-align: right; font: 500 14px var(--mono); color: var(--ink-2); margin: 12px 8px 0; }
.startroute { list-style: none; padding: 0; margin: 28px 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; position: relative; }
.startroute::before { content: ""; position: absolute; left: 22px; right: 22px; top: 22px; border-top: 2px dotted var(--rule-2); }
.startroute li { position: relative; }
.startroute a { display: flex; flex-direction: column; gap: 6px; padding: 0 22px 0 0; text-decoration: none; color: var(--ink); }
.startroute__stamp {
  width: 44px; height: 44px; border-radius: 50%; border: 1.5px solid var(--cobalt); background: var(--paper);
  display: grid; place-items: center; font: 500 16px var(--mono); color: var(--cobalt); position: relative; z-index: 1;
  box-shadow: inset 0 0 0 3px var(--paper), inset 0 0 0 4.5px rgba(31, 78, 158, .25); transform: rotate(-6deg); margin-bottom: 10px;
  transition: transform .3s var(--ease), background .2s, color .2s;
}
.startroute a:hover .startroute__stamp { transform: rotate(0); background: var(--cobalt); color: var(--paper); }
.startroute__t { font-family: var(--serif); font-size: 1.22rem; font-weight: 600; line-height: 1.2; }
.startroute a:hover .startroute__t { color: var(--cobalt-ink); }
.startroute__d { color: var(--ink-2); font-size: 15px; }
.band--split { display: grid; grid-template-columns: 1.2fr 1fr; gap: 64px; }
.band--split h2 { font-size: 1.9rem; margin: 0 0 16px; padding-bottom: 12px; border-bottom: 1.5px solid var(--ink); }
.changes__list { list-style: none; padding: 0; margin: 0 0 16px; }
.changes__list li { padding: 12px 0 12px 22px; border-bottom: 1px dotted var(--rule-2); position: relative; }
.changes__list li::before { content: ""; position: absolute; left: 0; top: 20px; width: 9px; height: 9px; background: var(--coral); clip-path: var(--chamfer-sm); transform: rotate(45deg); }
.changes__c { margin: 0; font-weight: 500; }
.changes__e { margin: 4px 0 0; font-size: 14.5px; color: var(--ink-2); }
.personas { list-style: none; padding: 0 !important; margin: 18px 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px; }
.persona { display: flex; gap: 12px; align-items: center; font-size: 14.5px; line-height: 1.35; margin: 0 !important; }
.persona__mono { flex: 0 0 40px; height: 40px; display: grid; place-items: center; background: var(--cobalt); color: var(--paper); font: 500 13px var(--mono); clip-path: var(--chamfer-sm); }
.persona:nth-child(4n+2) .persona__mono { background: var(--turq); }
.persona:nth-child(4n+3) .persona__mono { background: var(--coral); }
.persona:nth-child(4n) .persona__mono { background: var(--saffron-ink); }
.personas--compact { grid-template-columns: 1fr 1fr; }
.sfiles { list-style: none; padding: 0 !important; margin: 16px 0; }
.sfiles li { display: grid; grid-template-columns: 1fr auto auto; gap: 12px; align-items: center; padding: 8px 0; border-bottom: 1px dotted var(--rule); margin: 0; }
.sfile__name { font-weight: 600; }
.sfile__app { font-size: 14px; color: var(--ink-2); }
.band--trainers { padding-bottom: 96px; }
.index { list-style: none; padding: 0 !important; margin: 18px 0; display: grid; gap: 0; }
.index a { display: grid; grid-template-columns: minmax(0, 260px) 1fr; gap: 20px; padding: 16px 0; border-bottom: 1px solid var(--rule); text-decoration: none; color: var(--ink); align-items: baseline; }
.index a:hover .index__t { color: var(--cobalt); }
.index__t { font-family: var(--serif); font-size: 1.2rem; font-weight: 600; }
.index__d { color: var(--ink-2); font-size: 15.5px; }
.index--cols { grid-template-columns: 1fr 1fr; column-gap: 48px; }
.index--cols a { grid-template-columns: 1fr; gap: 4px; }

/* ---------------------------------------------------------- modül dizini */
.pagehead--wide { max-width: 820px; }
.modprogress { display: flex; align-items: center; justify-content: space-between; gap: 24px; background: var(--card); border: 1px solid var(--rule); padding: 16px 20px; margin-bottom: 44px; }
.modprogress > div { flex: 1; }
.modprogress p { margin: 0 0 8px; }
.modprogress .bar { max-width: 420px; margin-bottom: 8px; }
.routemap { list-style: none; padding: 0 0 0 34px; margin: 0; position: relative; }
.routemap::before { content: ""; position: absolute; left: 9px; top: 12px; bottom: 12px; border-left: 2px dotted var(--rule-2); }
.routemap__stop { position: relative; padding: 0 0 44px; }
.routemap__dot { position: absolute; left: -34px; top: 12px; width: 20px; height: 20px; border-radius: 50%; background: var(--paper); border: 2px solid var(--cobalt); box-shadow: 0 0 0 4px var(--paper); }
.routemap__stop.is-done .routemap__dot { background: var(--turq); border-color: var(--turq); }
.routemap__head { display: grid; grid-template-columns: 70px 1fr auto; gap: 16px; align-items: start; }
.routemap__n { font-family: var(--serif); font-size: 46px; line-height: .9; color: transparent; -webkit-text-stroke: 1.2px var(--cobalt); font-variation-settings: "opsz" 144; }
.routemap h3 { font-size: 1.5rem; margin: 0 0 6px; line-height: 1.2; }
.routemap h3 a { color: var(--ink); text-decoration: none; }
.routemap h3 a:hover { color: var(--cobalt); text-decoration: underline; }
.routemap__meta { margin: 0; font-size: 14px; color: var(--ink-2); display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.routemap__meta span[data-min] { font-family: var(--mono); font-size: 13px; }
.routemap__state { width: 22px; height: 22px; }
.routemap__stop.is-done .routemap__state::after { content: "✓"; font: 600 14px var(--mono); color: var(--turq); }
.routemap__intro { margin: 14px 0 10px 86px; color: var(--ink); max-width: 46em; }
.routemap__more { margin-left: 86px; }
.routemap__more summary { cursor: pointer; font: 500 13px var(--mono); color: var(--cobalt); }
.routemap__out { margin: 12px 0 0 86px; font-size: 15px; }
.routemap__out .rail__label { display: inline; margin-right: 8px; }
.dotsep { color: var(--rule-2); }
ul.ticks { list-style: none; padding-left: 0 !important; }
ul.ticks li { position: relative; padding-left: 26px; }
ul.ticks li::before { content: ""; position: absolute; left: 2px; top: 8px; width: 10px; height: 6px; border-left: 2px solid var(--turq); border-bottom: 2px solid var(--turq); transform: rotate(-45deg); }
ol.outcomes { counter-reset: o; list-style: none; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 0 28px; }
ol.outcomes li { counter-increment: o; position: relative; padding: 12px 0 12px 44px; border-bottom: 1px dotted var(--rule-2); margin: 0; }
ol.outcomes li::before { content: counter(o, decimal-leading-zero); position: absolute; left: 0; top: 12px; font-family: var(--serif); font-size: 22px; line-height: 1.2; color: var(--cobalt); }

/* öğrenme yolları */
.path { margin: 48px 0 0; padding-top: 18px; border-top: 1px solid var(--rule); }
.path__head { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; }
.path__n { font: 500 13px var(--mono); color: var(--cobalt); }
.path__head h2 { margin: 0; flex: 1; font-size: 1.5rem; }
.path__total { font: 500 14px var(--mono); color: var(--cobalt-ink); background: var(--cobalt-50); padding: 2px 10px; border-radius: 20px; }
.path__focus { color: var(--ink-2); margin: 6px 0 14px 0; }
.stops { list-style: none; padding: 0 !important; margin: 0; position: relative; }
.stops::before { content: ""; position: absolute; left: 7px; top: 14px; bottom: 14px; border-left: 2px solid var(--cobalt-100); }
.stops li { margin: 0 !important; }
.stops a { display: grid; grid-template-columns: 16px 44px 1fr auto; gap: 12px; align-items: center; padding: 7px 0; text-decoration: none; color: var(--ink); position: relative; }
.stops a:hover .stop__t { color: var(--cobalt); text-decoration: underline; }
.stop__dot { width: 16px; height: 16px; border-radius: 50%; border: 2px solid var(--cobalt); background: var(--paper); position: relative; z-index: 1; }
.stops a.is-done .stop__dot { background: var(--turq); border-color: var(--turq); }
.stop__n { font: 500 13px var(--mono); color: var(--cobalt); }
.stop__d { font: 13px var(--mono); color: var(--ink-2); }

/* kaynak sayfaları */
.filter { display: flex; gap: 14px; align-items: center; margin: 10px 0 0; }
.input { width: 100%; min-height: 44px; padding: 10px 14px; border: 1.5px solid var(--rule-2); border-radius: 3px; background: var(--card); color: var(--ink); font: 16px var(--sans); }
.input:focus { outline: none; border-color: var(--cobalt); box-shadow: 0 0 0 3px var(--cobalt-50); }
.filter .input { max-width: 380px; }
.filter__count { font: 13px var(--mono); white-space: nowrap; }
.prompts { list-style: none; padding: 0 !important; margin: 12px 0 26px; display: grid; gap: 12px; }
.prompt { margin: 0 !important; background: var(--card); border: 1px solid var(--rule); border-left: 3px solid var(--plum); padding: 12px 16px; }
.prompt__head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 6px; }
.prompt__scen { font: 500 12px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--plum); }
.prompt__text { margin: 0 0 8px !important; font-size: 15.5px; }
.tbl-scale td { text-align: center; }
.tbl-scale tbody th { font-weight: 400 !important; min-width: 260px; }
.radio input { width: 18px; height: 18px; accent-color: var(--cobalt); cursor: pointer; }
.field { margin: 0 0 18px; }
.field label { display: block; font-weight: 500; margin-bottom: 6px; }
textarea.input { resize: vertical; }
.dls { list-style: none; padding: 0 !important; margin: 16px 0 24px; display: grid; gap: 10px; }
.dl { margin: 0 !important; }
.dl__link { display: grid; grid-template-columns: 58px 1fr auto; gap: 16px; align-items: center; padding: 12px 16px; background: var(--card); border: 1px solid var(--rule); text-decoration: none; color: var(--ink); transition: border-color .2s, transform .2s var(--ease); }
.dl__link:hover { border-color: var(--cobalt); transform: translateX(3px); }
.dl__ext { font: 600 11px var(--mono); letter-spacing: .08em; text-align: center; padding: 8px 0; color: var(--paper); background: var(--cobalt); clip-path: var(--chamfer-sm); }
.dl__ext--pdf { background: var(--coral); }
.dl__ext--csv { background: var(--turq); }
.dl__ext--zip { background: var(--ink); }
.dl__ext--md { background: var(--saffron-ink); }
.dl__body { display: flex; flex-direction: column; }
.dl__label { font-weight: 600; }
.dl__note { font-size: 14px; color: var(--ink-2); }
.dl__size { font: 13px var(--mono); color: var(--ink-3); }

/* test */
.compare { background: var(--card); border: 1px solid var(--rule); padding: 18px 20px; margin-bottom: 40px; }
.compare h2 { font-size: 1.2rem !important; margin: 0 0 10px !important; }
.compare__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 0; }
.compare__grid dt { font: 500 11px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); }
.compare__grid dd { margin: 4px 0 0; font-family: var(--serif); font-size: 1.5rem; color: var(--cobalt); }
.compare__grid dd span[data-i18n] { font-family: var(--sans); font-size: 14px; color: var(--ink-2); }
.compare__date { display: block; font: 12px var(--mono); color: var(--ink-3); }
.testbar { position: sticky; top: calc(var(--mast-h) + 8px); z-index: 5; display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; background: rgba(247, 243, 234, .96); border: 1px solid var(--rule); padding: 10px 14px; margin-bottom: 22px; }
.testbar__count { margin: 0 !important; font: 14px var(--mono); }
.seg { border: 0; padding: 0; margin: 0; display: inline-flex; border: 1.5px solid var(--cobalt); border-radius: 3px; overflow: hidden; }
.seg label { cursor: pointer; }
.seg input { position: absolute; opacity: 0; }
.seg span { display: block; padding: 6px 14px; font: 500 13.5px var(--sans); color: var(--cobalt-ink); }
.seg input:checked + span { background: var(--cobalt); color: var(--paper); }
.seg input:focus-visible + span { outline: 2px solid var(--ink); outline-offset: -3px; }
.tq { border: 0; border-top: 1px solid var(--rule); padding: 20px 0 14px; margin: 0; }
.tq legend { display: flex; gap: 14px; font-weight: 600; padding: 0; float: left; width: 100%; margin-bottom: 12px; }
.tq__opts { clear: both; display: grid; gap: 6px; padding-left: 38px; }
.tq__n { font-family: var(--serif); font-size: 22px; line-height: 1.1; color: var(--cobalt); min-width: 24px; }
.opt { display: flex; gap: 12px; align-items: center; padding: 8px 12px; border: 1px solid var(--rule); background: var(--card); cursor: pointer; transition: border-color .15s, background .15s; }
.opt:hover { border-color: var(--cobalt-100); }
.opt input { position: absolute; opacity: 0; }
.opt__l { flex: 0 0 24px; height: 24px; border: 1.5px solid var(--ink-3); border-radius: 50%; display: grid; place-items: center; font: 500 12px var(--mono); color: var(--ink-2); }
.opt input:checked ~ .opt__l { background: var(--cobalt); border-color: var(--cobalt); color: var(--paper); }
.opt:has(input:checked) { border-color: var(--cobalt); background: var(--cobalt-50); }
.opt input:focus-visible ~ .opt__l { outline: 2px solid var(--cobalt); outline-offset: 2px; }
.tq.is-correct .opt:has(input:checked) { border-color: var(--turq); background: var(--turq-50); }
.tq.is-correct .opt:has(input:checked) .opt__l { background: var(--turq); border-color: var(--turq); }
.tq.is-wrong .opt:has(input:checked) { border-color: var(--coral); background: var(--coral-50); }
.tq.is-wrong .opt:has(input:checked) .opt__l { background: var(--coral); border-color: var(--coral); }
.tq .opt.is-answer { border-color: var(--turq); border-style: dashed; }
.tq__fb { padding-left: 38px; margin: 8px 0 0 !important; font: 13px var(--mono); }
.tq.is-correct .tq__fb { color: var(--turq-ink); }
.tq.is-wrong .tq__fb { color: var(--coral-ink); }
.test__msg { color: var(--coral-ink); font-weight: 500; min-height: 1.5em; margin: 16px 0 0 !important; }
.result { text-align: center; padding: 28px; border: 1.5px solid var(--ink); background: var(--card); margin: 10px 0 32px; clip-path: var(--chamfer); }
.result__label { font: 500 12px var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); margin: 0 !important; }
.result__score { font-family: var(--serif); font-size: 5rem; line-height: 1; margin: 8px 0 !important; color: var(--cobalt); font-variation-settings: "opsz" 144; }
.result__max { font-size: 1.6rem; color: var(--ink-3); }
.result__detail { margin: 0 0 6px !important; font: 14px var(--mono); }
.result__verdict { margin: 0 !important; font-weight: 600; }
.result.is-pass .result__verdict { color: var(--turq-ink); }
.result.is-fail .result__verdict { color: var(--coral-ink); }
.answerkey { margin-top: 30px; border-top: 1px solid var(--rule); padding-top: 14px; }
.answerkey summary { cursor: pointer; font: 500 13px var(--mono); color: var(--cobalt); }
.answerkey__grid { list-style: none; padding: 0 !important; display: grid; grid-template-columns: repeat(10, 1fr); gap: 6px; margin-top: 14px; }
.answerkey__grid li { margin: 0 !important; border: 1px solid var(--rule); text-align: center; padding: 6px 0; background: var(--card); }
.answerkey__n { display: block; font: 11px var(--mono); color: var(--ink-3); }
.answerkey__l { font: 600 16px var(--mono); color: var(--cobalt); }

/* arama */
.searchform { display: flex; gap: 10px; margin-bottom: 28px; }
.results__title { font-size: 1.2rem !important; }
.results__status { color: var(--ink-2); font-size: 14.5px; }
.results { list-style: none; padding: 0 !important; margin: 0; }
.results li { margin: 0 !important; border-bottom: 1px solid var(--rule); }
.results a { display: block; padding: 14px 0; text-decoration: none; color: var(--ink); }
.results a:hover .res__s { color: var(--cobalt); text-decoration: underline; }
.res__p { display: block; font: 500 11.5px var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); }
.res__s { display: block; font-family: var(--serif); font-size: 1.15rem; font-weight: 600; line-height: 1.3; margin: 2px 0 4px; }
.res__t { display: block; font-size: 14.5px; color: var(--ink-2); line-height: 1.5; }
mark { background: #F4DF9C; color: inherit; padding: 0 1px; border-radius: 2px; }

/* arama paneli */
.palette { position: fixed; inset: 0; z-index: 80; }
.palette__backdrop { position: absolute; inset: 0; background: rgba(28, 36, 48, .42); animation: fade .18s ease-out; }
.palette__panel {
  position: relative; max-width: 680px; margin: 9vh auto 0; background: var(--paper); border: 1px solid var(--rule-2);
  box-shadow: 0 30px 60px -20px rgba(28, 36, 48, .45); max-height: 78vh; display: flex; flex-direction: column;
  animation: drop .22s var(--ease);
}
.palette__field { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-bottom: 1.5px solid var(--ink); }
.palette__field svg { width: 20px; height: 20px; color: var(--ink-2); flex-shrink: 0; }
.palette__field input { flex: 1; border: 0; background: transparent; font: 18px var(--sans); color: var(--ink); padding: 8px 0; outline: none; min-width: 0; }
.palette__field input::-webkit-search-cancel-button { display: none; }
.palette__esc { background: none; border: 0; cursor: pointer; padding: 0; }
.palette__status { margin: 0; padding: 8px 16px; font: 12.5px var(--mono); color: var(--ink-3); }
.palette__results { list-style: none; margin: 0; padding: 0 8px 8px; overflow: auto; }
.palette__results li { margin: 0; }
.palette__results a { display: block; padding: 10px 12px; text-decoration: none; color: var(--ink); border-left: 3px solid transparent; }
.palette__results a[aria-selected="true"], .palette__results a:hover { background: var(--cobalt-50); border-left-color: var(--cobalt); }
.palette__foot { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding: 10px 16px; border-top: 1px solid var(--rule); font: 11.5px var(--mono); color: var(--ink-3); }
@keyframes fade { from { opacity: 0; } }
@keyframes drop { from { opacity: 0; transform: translateY(-10px); } }

.totop { position: fixed; right: 22px; bottom: 22px; z-index: 30; width: 44px; height: 44px; border: 1px solid var(--rule-2); background: var(--card); color: var(--cobalt); font: 500 18px var(--mono); cursor: pointer; clip-path: var(--chamfer-sm); }
.totop:hover { background: var(--cobalt); color: var(--paper); }

/* 404 */
.notfound { text-align: left; padding-top: 80px; }
.notfound__code { font-family: var(--serif); font-size: 9rem; line-height: .9; margin: 0; color: transparent; -webkit-text-stroke: 1.5px var(--cobalt); font-variation-settings: "opsz" 144; }

/* altbilgi */
.colophon { border-top: 1.5px solid var(--ink); background: var(--paper-2); margin-top: 0; }
.colophon__inner { max-width: 1240px; margin: 0 auto; padding: 40px 28px 48px; display: grid; grid-template-columns: 1.1fr .9fr 1.3fr; gap: 40px; font-size: 15px; }
.colophon__title { font-family: var(--serif); font-size: 1.25rem; font-weight: 600; margin: 0 0 8px; line-height: 1.25; }
.colophon p { margin: 0 0 6px; }
.colophon__links { list-style: none; padding: 0; margin: 0; columns: 2; column-gap: 20px; }
.colophon__links a { display: inline-block; padding: 3px 0; color: var(--ink); text-decoration: none; }
.colophon__links a:hover { color: var(--cobalt); text-decoration: underline; }
.colophon__notes p { color: var(--ink-2); }

/* ---------------------------------------------------------- giriş animasyonları */
@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
  .reveal.is-in { opacity: 1; transform: none; }
  .hero__text > * { animation: rise .7s var(--ease) both; }
  .hero__text > *:nth-child(2) { animation-delay: .06s; }
  .hero__text > *:nth-child(3) { animation-delay: .12s; }
  .hero__text > *:nth-child(4) { animation-delay: .18s; }
  .hero__text > *:nth-child(5) { animation-delay: .24s; }
  .hero__art { animation: rise .9s .1s var(--ease) both; }
  .qcard__a:not([hidden]), .faq[open] .faq__a, .solution[open] .solution__body { animation: rise .3s var(--ease); }
  @keyframes rise { from { opacity: 0; transform: translateY(12px); } }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* ---------------------------------------------------------- duyarlı düzen */
@media (max-width: 1240px) {
  .shell .main { padding-left: 0; }
  .sec__meta { position: static; flex-direction: row; align-items: center; width: auto; margin: 0 0 8px; gap: 12px; }
  .sec__num { font-size: 24px; }
  .callout__label { position: static; width: auto; text-align: left; margin: 0 0 6px; }
  .callout__label::after { display: none; }
  .prose .modhead__no { position: static; font-size: 64px; margin: 0 0 6px; }
}
@media (max-width: 1080px) {
  .topnav { display: none; }
  .tool--menu { display: inline-flex; }
  .shell { grid-template-columns: 220px minmax(0, 1fr); gap: 32px; }
  .hero { grid-template-columns: 1fr; gap: 36px; padding-top: 44px; }
  .hero__art { max-width: 460px; }
  .band--split { grid-template-columns: 1fr; gap: 56px; }
}
@media (max-width: 860px) {
  body { font-size: 16px; }
  .masthead__inner { padding: 0 16px; gap: 12px; }
  .tool__label, .tool__kbd { display: none; }
  .tool--search { padding: 0 9px; }
  .shell { display: block; padding: 0 18px; }
  .rail { position: sticky; top: var(--mast-h); z-index: 20; margin: 0 -18px; background: var(--paper); border-bottom: 1px solid var(--rule); }
  .rail__toggle { display: flex; width: 100%; justify-content: space-between; align-items: center; padding: 12px 18px; background: none; border: 0; font: 500 12px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-2); cursor: pointer; }
  .rail__chev { transition: transform .2s; }
  .rail__toggle[aria-expanded="true"] .rail__chev { transform: rotate(180deg); }
  .rail__inner { display: none; position: static; max-height: 62vh; padding: 4px 18px 18px; }
  .rail.is-open .rail__inner { display: block; }
  .main { padding-top: 28px; }
  .main--narrow, .main--wide { padding: 32px 18px 72px; }
  .hero { padding: 32px 18px 20px; }
  .band { padding: 56px 18px 0; }
  .homeprogress { padding: 0 18px; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stats li { border-right: 0; margin-right: 0; padding-right: 12px; padding-bottom: 12px; }
  .timetable--home a { grid-template-columns: 44px minmax(0, 1fr) auto; grid-template-rows: auto auto; row-gap: 6px; }
  .timetable--home .tt__n { grid-row: 1 / 3; font-size: 24px; }
  .timetable--home .tt__body { grid-column: 2 / 4; }
  .timetable--home .tt__leader { display: none; }
  .timetable--home .lvl { grid-column: 2; justify-self: start; }
  .timetable--home .tt__d { grid-column: 3; }
  .timetable--home .tt__s { display: none; }
  .startroute { grid-template-columns: 1fr; gap: 22px; }
  .startroute::before { left: 22px; right: auto; top: 22px; bottom: 22px; border-top: 0; border-left: 2px dotted var(--rule-2); }
  .startroute a { display: grid; grid-template-columns: 44px 1fr; column-gap: 16px; }
  .startroute__stamp { grid-row: 1 / 3; margin: 0; }
  .index a, .index--cols { grid-template-columns: 1fr; gap: 4px; }
  .spec--module { grid-template-columns: 1fr 1fr; }
  .prose > .spec > div { grid-template-columns: 1fr; gap: 2px; }
  ol.outcomes { grid-template-columns: 1fr; }
  .routemap { padding-left: 26px; }
  .routemap__dot { left: -26px; width: 16px; height: 16px; top: 8px; }
  .routemap::before { left: 7px; }
  .routemap__head { grid-template-columns: 48px 1fr auto; gap: 10px; }
  .routemap__n { font-size: 34px; }
  .routemap__intro, .routemap__more, .routemap__out { margin-left: 0; }
  .pager { grid-template-columns: 1fr; }
  .pager__next { grid-column: 1; }
  .compare__grid { grid-template-columns: 1fr 1fr; }
  .answerkey__grid { grid-template-columns: repeat(5, 1fr); }
  .colophon__inner { grid-template-columns: 1fr; gap: 24px; }
  .personas--compact { grid-template-columns: 1fr; }
  .sfiles li { grid-template-columns: 1fr auto; }
  .sfile__app { grid-column: 1; grid-row: 2; }
  .modprogress { flex-direction: column; align-items: flex-start; }
  .dl__link { grid-template-columns: 48px 1fr; }
  .dl__size { grid-column: 2; }
  .prose h2 { font-size: 1.5rem; }
  .palette__panel { margin: 0; max-height: 100vh; height: 100%; }
}

/* ---------------------------------------------------------- yazdırma */
@media print {
  @page { margin: 16mm 14mm; }
  body { background: #fff; font-size: 11pt; }
  .masthead, .rail, .colophon, .palette, .totop, .langnote, .skip, .modend, .qcards-tools, .qcard__toggle, .copy, .copy-inline, .actions, .testbar, .hero__cta { display: none !important; }
  .shell { display: block; padding: 0; }
  .shell .main, .main { padding: 0; }
  .prose { max-width: none; }
  .sec__meta { position: static; flex-direction: row; width: auto; margin-bottom: 4px; }
  .callout__label { position: static; text-align: left; width: auto; margin-bottom: 4px; }
  .callout__label::after { display: none; }
  .prose .modhead__no { position: static; font-size: 40pt; margin: 0; }
  .qcard__a[hidden] { display: block !important; }
  .callout, .qcard, .solution, .table-wrap tr { break-inside: avoid; }
  a { color: inherit; text-decoration: none; }
  .hero__art { display: none; }
}