/* Ürün Dedektörü — paylaşılan tasarım sistemi (editoryal "sağlık dosyası") */
:root {
  --paper: #F4EEE1;
  --paper-2: #EDE5D3;
  --ink: #17140E;
  --ink-soft: #4E4738;
  --line: #D8CDB6;
  --green: #157A4B;
  --green-ink: #0E5B37;
  --amber: #B26B08;
  --red: #B23422;

  --step--1: clamp(0.80rem, 0.76rem + 0.20vw, 0.92rem);
  --step-0:  clamp(1.00rem, 0.94rem + 0.30vw, 1.19rem);
  --step-1:  clamp(1.20rem, 1.10rem + 0.50vw, 1.56rem);
  --step-2:  clamp(1.50rem, 1.33rem + 0.85vw, 2.19rem);
  --step-3:  clamp(1.95rem, 1.63rem + 1.60vw, 3.25rem);
  --step-4:  clamp(2.60rem, 1.95rem + 3.25vw, 5.25rem);
  --step-5:  clamp(3.20rem, 2.10rem + 5.50vw, 8.00rem);

  --sp-xs: clamp(0.5rem, 0.4rem + 0.5vw, 0.75rem);
  --sp-s:  clamp(1rem, 0.8rem + 1vw, 1.5rem);
  --sp-m:  clamp(1.75rem, 1.4rem + 1.75vw, 2.75rem);
  --sp-l:  clamp(3rem, 2.3rem + 3.5vw, 5rem);
  --sp-xl: clamp(4.5rem, 3.3rem + 6vw, 8rem);

  --maxw: 1200px;
  --disp: "Fraunces", Georgia, "Times New Roman", serif;
  --body: "Instrument Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "Space Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #14120C; --paper-2: #1D1A11; --ink: #EFE8D6; --ink-soft: #B4AC97;
    --line: #34301F; --green: #37B278; --green-ink: #45C888; --amber: #D69534; --red: #E0684F;
  }
}
* { margin: 0; padding: 0; box-sizing: border-box; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
body {
  font-family: var(--body); background: var(--paper); color: var(--ink);
  font-size: var(--step-0); line-height: 1.6;
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; overflow-x: hidden;
}
body::before {
  content: ""; position: fixed; inset: 0; z-index: 1; pointer-events: none; opacity: 0.5;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 240 240' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.045'/%3E%3C/svg%3E");
}
::selection { background: var(--green); color: var(--paper); }
.wrap { max-width: var(--maxw); margin: 0 auto; padding-inline: clamp(20px, 5vw, 56px); position: relative; z-index: 2; }
.mono { font-family: var(--mono); }
.overline { font-family: var(--mono); font-size: var(--step--1); letter-spacing: 0.22em; text-transform: uppercase; color: var(--ink-soft); }
h1, h2, h3, h4 { font-family: var(--disp); font-weight: 600; line-height: 1.05; letter-spacing: -0.02em; }

/* Header — uygulamanın gerçek logosu */
header { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--paper) 88%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.hd { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; color: var(--ink); }
.brand img { width: 34px; height: 34px; border-radius: 9px; }
.brand .nm { font-family: var(--disp); font-weight: 900; font-size: 1.3rem; letter-spacing: -0.02em; }
.brand .no { font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.14em; color: var(--ink-soft); align-self: baseline; }
.hnav { display: flex; align-items: center; gap: clamp(16px, 3vw, 36px); }
.hnav a { font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.05em; text-transform: uppercase; text-decoration: none; color: var(--ink-soft); position: relative; }
.hnav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -5px; height: 1.5px; background: var(--green); transition: right 0.28s ease; }
@media (hover: hover) { .hnav a:hover { color: var(--ink); } .hnav a:hover::after { right: 0; } }
.lnk-arrow { display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 0.8rem; letter-spacing: 0.04em; text-transform: uppercase; text-decoration: none; color: var(--ink); font-weight: 700; border-bottom: 2px solid var(--green); padding-bottom: 3px; }
.lnk-arrow .ar { transition: transform 0.28s ease; }
@media (hover: hover) { .lnk-arrow:hover .ar { transform: translateX(5px); } }
.lnk-arrow:active { transform: translateY(1px); }

.badges { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.badges img { height: 50px; transition: transform 0.2s ease; }
@media (hover: hover) { .badges a:hover img { transform: translateY(-3px); } .badges a:active img { transform: translateY(-1px) scale(0.98); } }

/* Footer — bir varış noktası */
footer { background: var(--ink); color: var(--paper); padding-top: var(--sp-xl); padding-bottom: var(--sp-l); position: relative; z-index: 2; }
.foot-cta h2 { font-size: var(--step-4); color: var(--paper); max-width: 16ch; margin-bottom: var(--sp-m); }
.foot-cta h2 em { font-style: italic; color: var(--green); }
.foot-cta .badges img { height: 52px; }
.foot-info { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 32px; margin-top: var(--sp-xl); padding-top: var(--sp-m); border-top: 1px solid color-mix(in srgb, var(--paper) 20%, transparent); }
.foot-info .fb { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
footer .fb img { width: 30px; height: 30px; border-radius: 8px; }
.foot-info .fb .nm { font-family: var(--disp); font-weight: 900; font-size: 1.1rem; color: var(--paper); }
.foot-info .desc { color: color-mix(in srgb, var(--paper) 62%, transparent); font-size: var(--step--1); max-width: 34ch; }
.foot-info h4 { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: color-mix(in srgb, var(--paper) 55%, transparent); margin-bottom: 14px; font-weight: 400; }
.foot-info a { display: block; color: color-mix(in srgb, var(--paper) 82%, transparent); text-decoration: none; margin-bottom: 9px; font-size: var(--step--1); }
@media (hover: hover) { .foot-info a:hover { color: var(--green); } }
.foot-b { margin-top: var(--sp-l); display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; align-items: center; }
.foot-b .disc { color: color-mix(in srgb, var(--paper) 48%, transparent); font-size: 0.72rem; max-width: 62ch; font-family: var(--mono); }
.foot-b .cp { color: color-mix(in srgb, var(--paper) 55%, transparent); font-size: 0.72rem; font-family: var(--mono); }

/* Reveal — html.js ile koşullu (JS yoksa içerik görünür), stagger + active */
.rv { transition: opacity 0.7s cubic-bezier(0.16,1,0.3,1), transform 0.7s cubic-bezier(0.16,1,0.3,1); }
html.js .rv:not(.in) { opacity: 0; transform: translateY(22px); }
@media (prefers-reduced-motion: reduce) { html.js .rv:not(.in) { opacity: 1; transform: none; } }

/* Prose — hukuki / içerik sayfaları */
.prose-head { padding-top: var(--sp-l); padding-bottom: var(--sp-m); border-bottom: 1px solid var(--line); }
.prose-head .overline { display: block; margin-bottom: var(--sp-s); }
.prose-head h1 { font-size: var(--step-4); font-weight: 600; max-width: 20ch; }
.prose-head h1 em { font-style: normal; color: var(--green); }
.prose { max-width: 760px; padding-block: var(--sp-l) var(--sp-xl); }
.prose h2 { font-size: var(--step-2); margin: var(--sp-m) 0 var(--sp-xs); }
.prose h3 { font-size: var(--step-1); margin: var(--sp-s) 0 var(--sp-xs); font-weight: 600; }
.prose p { color: var(--ink-soft); margin-bottom: var(--sp-s); }
.prose ul, .prose ol { color: var(--ink-soft); margin: 0 0 var(--sp-s) 1.4em; }
.prose li { margin-bottom: 0.4em; }
.prose a { color: var(--green-ink); text-decoration: underline; text-underline-offset: 3px; }
.prose strong { color: var(--ink); font-weight: 700; }
.prose .updated { font-family: var(--mono); font-size: var(--step--1); color: var(--ink-soft); }
.prose hr { border: none; border-top: 1px solid var(--line); margin: var(--sp-m) 0; }

@media (max-width: 900px) {
  .foot-info { grid-template-columns: 1fr; }
  .hnav .hide-s { display: none; }
}