:root {
  color-scheme: light;
  --ink: #16191d;
  --ink-2: #4a4f5a;
  --ink-3: #7c828e;
  --paper: #f4f5f7;
  --card: #ffffff;
  --line: #dfe1e6;
  --line-2: #eceef1;
  --brand: #e29a07;          /* illüstrasyon rengi */
  --accent: #a86500;         /* metin/düğme için koyu kehribar (AA kontrast) */
  --accent-soft: #fdf3e1;
  --then: #7c828e;
  --now: #16191d;
  --up: #1f7a53;
  --down: #c0322a;
  /* grafik serileri (dataviz referans paleti, sabit sıra) */
  --s-tufe: #2a78d6;
  --s-enag: #eb6834;
  --s-usd: #1baf7a;
  --s-eur: #008300;
  --s-altin: #eda100;
  --s-asgari: #e87ba4;
  --sans: 'IBM Plex Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, Menlo, monospace;
  --serif: 'IBM Plex Serif', Georgia, serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 15px/1.5 var(--sans); }
button, input, select { font: inherit; color: inherit; }
a { color: inherit; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 20px; }
:focus-visible { outline: 2px solid #2457d6; outline-offset: 2px; }

/* üst bant */
.top { border-bottom: 1px solid var(--line); }
.top-in { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 84px; flex-wrap: wrap; padding-top: 12px; padding-bottom: 12px; }
.brand { display: flex; align-items: center; gap: 14px; text-decoration: none; }
.brand-mark { display: block; width: 58px; height: 58px; border-radius: 14px; background: #fff; box-shadow: 0 0 0 1px #e3e5ea, 0 1px 3px rgba(22,25,29,.06); overflow: hidden; flex: none; }
.brand-mark img { width: 100%; height: 100%; display: block; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text strong { font: 700 27px/1.05 Sora, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif; white-space: nowrap; }
.wm-n { color: #111; } .wm-t { color: var(--brand); }
.wm-bar { display: inline-block; width: 4px; height: .92em; background: #111; margin-left: 2px; vertical-align: -.12em; }
.brand-text small { font-size: 13px; letter-spacing: .04em; text-transform: uppercase; color: #5b636d; margin-top: 4px; }
.data-stamp { margin: 0; font-size: 13px; color: var(--ink-2); }
.data-stamp b { color: var(--ink); font-weight: 600; }

.intro { padding: 36px 0 18px; max-width: 820px; }
.intro h1 { font: 600 clamp(28px, 4vw, 42px)/1.1 var(--serif); margin: 0 0 12px; letter-spacing: -.015em; }
.intro h1 em { font-style: normal; color: var(--accent); }
.intro p { margin: 0; color: var(--ink-2); font-size: 16.5px; }

.panel { background: var(--card); border: 1px solid var(--line); border-radius: 14px; margin: 18px 0; }
.panel h2 { font-size: 18px; margin: 0; }
.panel-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }

/* form */
.form { padding: 18px 20px; }
.fgrid { display: grid; grid-template-columns: 1fr auto 1fr; gap: 14px; align-items: stretch; }
.side { border: 1px solid var(--line-2); border-radius: 12px; padding: 12px 14px 14px; margin: 0; display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.side legend { font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-3); font-weight: 600; padding: 0 6px; display: flex; align-items: center; gap: 6px; }
.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.dot.then { background: var(--then); } .dot.now { background: var(--now); }
.arrow { align-self: center; font-size: 26px; color: var(--ink-3); }
.field { display: flex; flex-direction: column; gap: 5px; font-size: 13px; font-weight: 500; color: var(--ink-2); min-width: 0; }
.field .opt { font-weight: 400; color: var(--ink-3); }
.field input, .field select { border: 1px solid var(--line); border-radius: 8px; padding: 9px 10px; background: #fff; color: var(--ink); font-weight: 400; min-width: 0; width: 100%; }
.amount { display: flex; align-items: stretch; border: 1px solid var(--line); border-radius: 8px; background: #fff; overflow: hidden; }
.amount:focus-within { outline: 2px solid #2457d6; outline-offset: 1px; }
.amount input { border: 0; font: 600 22px var(--sans); padding: 8px 12px; outline: none; }
.amount span { display: grid; place-items: center; padding: 0 12px; background: var(--paper); color: var(--ink-2); font-weight: 600; border-left: 1px solid var(--line); }
.help { font-weight: 400; color: var(--ink-3); min-height: 1.2em; font-size: 12.5px; }
.help.bad { color: var(--down); }
.row2 { display: grid; grid-template-columns: 1.4fr 1fr; gap: 8px; }
.frow { display: flex; gap: 16px; align-items: flex-end; margin-top: 14px; flex-wrap: wrap; }
.grow { flex: 1 1 320px; }
.presets { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; font-size: 13px; color: var(--ink-3); }
.chip { border: 1px solid var(--line); background: #fff; border-radius: 999px; padding: 5px 11px; font-size: 13px; cursor: pointer; }
.chip:hover { border-color: var(--accent); color: var(--accent); }

/* manşet */
.headline { padding: 20px 22px; display: grid; grid-template-columns: auto 1fr; gap: 6px 22px; align-items: center; }
.headline .big { font: 700 clamp(30px, 5vw, 48px)/1 var(--sans); letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.headline .lead { font-size: 16px; color: var(--ink-2); }
.headline .lead b { color: var(--ink); }
.pill { display: inline-flex; align-items: center; gap: 4px; padding: 2px 9px; border-radius: 999px; font-weight: 600; font-size: 14px; }
.pill.up { background: #e6f4ec; color: var(--up); } .pill.down { background: #fde8e6; color: var(--down); }

/* kartlar */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(255px, 1fr)); gap: 12px; }
.mcard { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; display: flex; flex-direction: column; gap: 6px; position: relative; }
.mcard::before { content: ''; position: absolute; left: 0; top: 14px; bottom: 14px; width: 3px; border-radius: 0 3px 3px 0; background: var(--c); }
.mcard h3 { margin: 0; font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-2); display: flex; justify-content: space-between; gap: 8px; }
.mcard h3 small { text-transform: none; letter-spacing: 0; color: var(--ink-3); font-weight: 400; }
.mcard .v { font: 700 24px/1.15 var(--sans); font-variant-numeric: tabular-nums; }
.mcard .d { font-size: 13.5px; color: var(--ink-2); }
.mcard .d b { color: var(--ink); font-weight: 600; }
.mcard.na { opacity: .7; }
.mcard.na .v { font-size: 15px; font-weight: 500; color: var(--ink-3); }

/* grafikler */
.charts { padding: 18px 20px; display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.chart-block { min-width: 0; }
.chart-head .sub { margin: 2px 0 10px; font-size: 13px; color: var(--ink-3); }
.chart { position: relative; }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart .grid line { stroke: #e9ebee; stroke-width: 1; }
.chart .axis text, .chart .lbl { font: 12px var(--sans); fill: var(--ink-2); }
.chart .val { font: 600 12.5px var(--sans); fill: var(--ink); font-variant-numeric: tabular-nums; }
.chart .muted { fill: var(--ink-3); }
.chart .hit { fill: transparent; cursor: default; }
.legend { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: 12.5px; color: var(--ink-2); margin-bottom: 6px; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 14px; height: 3px; border-radius: 2px; background: var(--c); display: inline-block; }
.tip { position: absolute; pointer-events: none; background: #16191d; color: #fff; font-size: 12.5px; padding: 8px 10px; border-radius: 8px; box-shadow: 0 6px 18px rgba(0,0,0,.18); white-space: nowrap; transform: translate(-50%, calc(-100% - 10px)); opacity: 0; transition: opacity .1s; z-index: 5; }
.tip.on { opacity: 1; }
.tip .r { display: flex; justify-content: space-between; gap: 14px; align-items: center; }
.tip .r i { width: 10px; height: 3px; display: inline-block; border-radius: 2px; margin-right: 6px; vertical-align: middle; }
.tip .r b { font-variant-numeric: tabular-nums; }
.tip .t { font-weight: 600; margin-bottom: 4px; }
.table-det { grid-column: 1 / -1; }
.table-det summary { cursor: pointer; font-size: 13.5px; font-weight: 600; color: var(--ink-2); }
.tbl { width: 100%; border-collapse: collapse; font-size: 13px; margin-top: 10px; }
.tbl th, .tbl td { padding: 6px 8px; border-bottom: 1px solid var(--line-2); text-align: right; font-variant-numeric: tabular-nums; }
.tbl th:first-child, .tbl td:first-child { text-align: left; }
.tbl th { font-weight: 600; color: var(--ink-2); }

/* cümleler */
.sentences { padding: 18px 20px; }
.slist { list-style: none; margin: 14px 0 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.slist li { display: grid; grid-template-columns: 110px 1fr auto; gap: 12px; align-items: start; padding: 12px 14px; border: 1px solid var(--line-2); border-radius: 10px; background: #fcfcfb; }
.slist .tag { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-2); display: flex; align-items: center; gap: 6px; padding-top: 2px; }
.slist .tag i { width: 8px; height: 8px; border-radius: 50%; background: var(--c); }
.slist p { margin: 0; font: 16px/1.55 var(--serif); font-weight: 400; }
.credit { font-size: 13px; color: var(--ink-3); margin: 12px 0 0; }
.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

.btn { border: 1px solid transparent; border-radius: 8px; padding: 9px 16px; font-weight: 600; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; background: #fff; white-space: nowrap; }
.btn.primary { background: var(--accent); color: #fff; }
.btn.primary:hover { background: #8c5400; }
.btn.ghost { border-color: var(--line); }
.btn.ghost:hover { border-color: var(--ink-3); }
.btn.small { padding: 5px 11px; font-size: 13.5px; font-weight: 500; }

/* yöntem */
.method { padding: 18px 20px; }
.mgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 10px; margin: 12px 0; }
.mgrid div { font-size: 13px; color: var(--ink-2); border-left: 3px solid var(--c); padding: 2px 0 2px 10px; }
.mgrid b { color: var(--ink); display: block; font-size: 13.5px; }
.method summary { cursor: pointer; font-weight: 600; }
.caveats { padding-left: 18px; color: var(--ink-2); font-size: 14px; display: flex; flex-direction: column; gap: 6px; }

.foot { padding: 20px 20px 40px; font-size: 12.5px; color: var(--ink-3); }
.foot p { margin: 0; }
.toast { position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 20px); background: var(--ink); color: #fff; padding: 10px 16px; border-radius: 8px; font-size: 14px; opacity: 0; pointer-events: none; transition: opacity .18s, transform .18s; z-index: 50; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 900px) {
  .charts { grid-template-columns: 1fr; }
  .fgrid { grid-template-columns: 1fr; }
  .arrow { transform: rotate(90deg); justify-self: center; }
}
@media (max-width: 560px) {
  .wrap { padding: 0 14px; }
  .data-stamp { display: none; }
  .headline { grid-template-columns: 1fr; }
  .slist li { grid-template-columns: 1fr; gap: 6px; }
  .form, .charts, .sentences, .method { padding: 14px; }
}