/* Büyütecek — v3 "müfettişin masası"
   Kâğıt + mürekkep + kırmızı kalem. Kart/çip yok; defter, fiş, damga, kupon var.
   Palet ve gerekçesi: is-gelistirme/12-tasarim-v3-el-isi.md */

:root {
  color-scheme: light dark;
  --paper:   #F3EEE4;  /* kâğıt */
  --paper-2: #E9E2D3;  /* koyu kâğıt: bant, fiş gölgesi */
  --slip:    #FBF8F1;  /* fiş / belge beyazı */
  --ink:     #1D1B18;  /* mürekkep */
  --ink-2:   #4A453E;  /* ikincil metin */
  --ink-3:   #736B5F;  /* dipnot */
  --rule:    #D3C9B6;  /* defter çizgisi */
  --red:     #B83A26;  /* kırmızı kalem — tek aksan */
  --brass:   #9C7A34;  /* mercek çerçevesi — sadece büyüteç */
  --yes:     #2F5D3A;
  --maybe:   #9A5F0C;
  --no:      #B83A26;

  --display: 'Bricolage Grotesque', 'Arial Narrow', sans-serif;
  --body: 'Instrument Sans', 'Segoe UI', sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, Consolas, monospace;
  --hand: 'Caveat', 'Segoe Print', cursive;

  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --grain: 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 0.11 0 0 0 0 0.1 0 0 0 0 0.09 0 0 0 .07 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #15130F; --paper-2: #1E1B16; --slip: #211E18;
    --ink: #EEE7DA; --ink-2: #BDB3A3; --ink-3: #978C7B; --rule: #37322A;
    --red: #E2674F; --brass: #C9A45A; --yes: #7DB38A; --maybe: #D9A441; --no: #E2674F;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper) var(--grain); color: var(--ink);
  font-family: var(--body); font-size: 17px; line-height: 1.58;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
p { margin: 0; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 3px; }
img, svg { display: block; }
:focus-visible { outline: 2px solid var(--red); outline-offset: 3px; }
::selection { background: var(--red); color: var(--slip); }

.wrap { max-width: 74rem; margin: 0 auto; padding-inline: clamp(1rem, 4.5vw, 2.75rem); }

h1, h2, h3 { margin: 0; font-family: var(--display); font-weight: 700; letter-spacing: -.035em;
             line-height: .98; text-wrap: balance; font-optical-sizing: auto; }
h2 { font-size: clamp(2rem, 4.6vw, 3.25rem); }
h3 { font-size: 1.3rem; letter-spacing: -.02em; line-height: 1.15; }

.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.hand { font-family: var(--hand); color: var(--red); font-weight: 600; line-height: 1.05; }
.dim  { color: var(--ink-2); }

/* bölüm etiketi: numaralı dosya sekmesi, çip değil */
.kicker { font-family: var(--mono); font-size: .74rem; letter-spacing: .06em; color: var(--ink-3);
          display: flex; gap: .7rem; align-items: baseline; }
.kicker b { color: var(--red); font-weight: 500; }

/* ---- düğmeler ---- */
.btn { display: inline-flex; align-items: center; gap: .6rem; font: 600 1rem/1 var(--body);
       background: var(--ink); color: var(--paper); padding: 1rem 1.35rem; border: 0;
       border-radius: 2px; text-decoration: none; cursor: pointer;
       box-shadow: 3px 3px 0 var(--red); transition: transform 160ms var(--ease-out), box-shadow 160ms var(--ease-out); }
.btn:active { transform: translate(2px, 2px) scale(.99); box-shadow: 1px 1px 0 var(--red); }
@media (hover: hover) and (pointer: fine) { .btn:hover { transform: translate(-1px, -1px); box-shadow: 4px 4px 0 var(--red); } }
.btn svg { width: 18px; height: 18px; }
.link { font-weight: 600; text-decoration: underline; text-decoration-color: var(--red); text-decoration-thickness: 2px; }

/* ---- üst künye ---- */
.masthead { position: sticky; top: 0; z-index: 30; background: var(--paper) var(--grain);
            border-bottom: 1px solid var(--ink); }
.masthead::after { content: ""; position: absolute; left: 0; right: 0; bottom: -4px; border-bottom: 1px solid var(--ink); }
.masthead .wrap { display: flex; align-items: center; gap: 1.5rem; height: 60px; }
.logo { display: flex; align-items: center; gap: .5rem; text-decoration: none;
        font: 800 1.35rem/1 var(--display); letter-spacing: -.045em; }
.logo svg { width: 26px; height: 26px; }
.masthead nav { margin-left: auto; display: flex; align-items: center; gap: 1.6rem; font-size: .93rem; }
.masthead nav a:not(.btn) { text-decoration: none; color: var(--ink-2); }
.masthead nav a:not(.btn):hover { color: var(--ink); text-decoration: underline; text-decoration-color: var(--red); }
.masthead .btn { padding: .62rem .95rem; font-size: .9rem; box-shadow: 2px 2px 0 var(--red); }
.fileno { font-family: var(--mono); font-size: .7rem; color: var(--ink-3); letter-spacing: .04em; }
@media (max-width: 52rem) { .masthead nav a.opt, .fileno { display: none; } }
@media (max-width: 30rem) { .masthead nav { gap: 1rem; } .masthead nav a.opt2 { display: none; } }

/* ---- el çizimi işaretler ---- */
.mark { position: relative; display: inline-block; white-space: nowrap; }
.mark > svg { position: absolute; pointer-events: none; overflow: visible; color: var(--red); }
.mark.circle > svg { inset: -18% -7% -22% -6%; width: 113%; height: 140%; }
.mark.under > svg { left: -2%; right: -2%; bottom: -.18em; width: 104%; height: .35em; }
.mark path { fill: none; stroke: currentColor; stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; vector-effect: non-scaling-stroke; }
/* çizim: soldan sağa açılan kalem darbesi (dash animasyonu non-scaling-stroke ile bozuluyor) */
.draw > svg { clip-path: inset(-20% 100% -20% -5%); animation: draw 850ms var(--ease-out) 300ms forwards; }
@keyframes draw { to { clip-path: inset(-20% -5% -20% -5%); } }

/* ---- lastik damga ---- */
.stamp { display: inline-block; font: 700 1.05rem/1 var(--mono); letter-spacing: .14em; text-transform: uppercase;
         color: var(--maybe); border: 3px double currentColor; padding: .55rem .8rem; border-radius: 4px;
         transform: rotate(-7deg); opacity: .92; mix-blend-mode: multiply;
         /* mürekkep her yere eşit basmaz */
         -webkit-mask-image: radial-gradient(circle at 30% 40%, #000 50%, rgba(0,0,0,.7) 100%);
         mask-image: radial-gradient(circle at 30% 40%, #000 50%, rgba(0,0,0,.7) 100%); }
@media (prefers-color-scheme: dark) { .stamp { mix-blend-mode: normal; } }
.stamp.no { color: var(--no); }
.stamp.yes { color: var(--yes); }
.stamp.thunk { animation: thunk 260ms var(--ease-out) both; }
@keyframes thunk { from { transform: rotate(-7deg) scale(1.25); opacity: 0; } to { transform: rotate(-7deg) scale(1); opacity: .92; } }

/* ---- bölüm ritmi (bilerek eşit değil) ---- */
section { scroll-margin-top: 70px; }
.rule-double { border: 0; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); height: 4px; margin: 0; }

/* ---- kupon (bülten) ---- */
.coupon { position: relative; border: 2px dashed var(--ink-3); padding: clamp(1.25rem, 3vw, 1.9rem);
          background: var(--slip); display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
          gap: 1.25rem 2rem; align-items: end; }
.coupon .scissors { position: absolute; top: -13px; left: 1.4rem; background: var(--paper); padding: 0 .35rem; color: var(--ink-3); }
.coupon .scissors svg { width: 22px; height: 22px; }
@media (max-width: 46rem) { .coupon { grid-template-columns: 1fr; } }
.lineform { display: flex; gap: .75rem; align-items: flex-end; flex-wrap: wrap; }
.lineform input, .lineform select {
  font: 500 1.02rem var(--body); color: var(--ink); background: transparent; border: 0;
  border-bottom: 1.5px solid var(--ink); border-radius: 0; padding: .4rem .1rem; min-width: 0; }
.lineform input::placeholder { color: var(--ink-3); font-family: var(--hand); font-size: 1.25rem; }
.lineform input:focus, .lineform select:focus { outline: none; border-bottom-color: var(--red); }
.formnote { font-size: .88rem; color: var(--red); font-weight: 600; }
.formnote[hidden] { display: none; }
.fine { font-size: .8rem; color: var(--ink-3); }

/* ---- künye (footer) ---- */
footer { margin-top: 0; border-top: 1px solid var(--ink); padding-block: 2.5rem 3.5rem; font-size: .86rem; color: var(--ink-2); }
footer .wrap { display: grid; grid-template-columns: 1.1fr 1fr 1.2fr; gap: 1.75rem 3rem; }
@media (max-width: 56rem) { footer .wrap { grid-template-columns: 1fr; } }
footer h4 { margin: 0 0 .5rem; font: 500 .72rem var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); }
footer p + p { margin-top: .5rem; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 1ms !important; animation-delay: 0ms !important; transition-duration: 1ms !important; }
}

html.js [data-thunk]:not(.thunk) { opacity: 0; }