/* Shelfnook tanıtım sayfaları (shelfnook.app): ortak üst çubuk + menü, alt bilgi ve sayfa öğeleri.
   Üst çubuk ve alt bilgi scripts/site-pages.mjs ile her sayfaya aynı biçimde yazılır. */
:root {
  --bg: #f7f4ee; --surface: #fffdf9; --line: #ddd4c6; --text: #2a211b; --text-2: #5c544b;
  --brown: #4a3426; --brown-2: #36251a; --brown-soft: #ede3d6; --navy: #1f3448;
  --serif: ui-serif, "New York", "Iowan Old Style", Charter, Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* ---------- Üst çubuk ve menü ---------- */
.site-head { position: sticky; top: 0; z-index: 20; background: rgba(247, 244, 238, 0.94); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); border-bottom: 1px solid rgba(221, 212, 198, 0.7); font-family: var(--sans); }
.site-wrap { max-width: 1040px; margin: 0 auto; padding: 0 20px; }
.site-head .site-wrap { display: flex; align-items: center; gap: 12px; min-height: 64px; }
.site-brand { display: flex; align-items: center; gap: 10px; margin-right: auto; color: var(--text); text-decoration: none; font: 600 1.25rem/1 var(--serif); }
.site-brand img { width: 32px; height: 32px; border-radius: 8px; }
.site-links { display: flex; gap: 2px; }
.site-links a { padding: 8px 12px; border-radius: 999px; color: var(--text-2); text-decoration: none; font-weight: 600; font-size: 0.95rem; }
.site-links a:hover, .site-links a[aria-current] { color: var(--brown-2); background: var(--brown-soft); }
.site-lang { display: inline-flex; gap: 2px; padding: 3px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); font-size: 0.85rem; }
.site-lang a { padding: 5px 11px; border-radius: 999px; color: var(--text-2); font-weight: 600; text-decoration: none; }
.site-lang a[aria-current] { background: var(--brown); color: #fff; }
.site-head a.site-cta { display: inline-flex; align-items: center; justify-content: center; min-height: 40px; padding: 8px 16px; border-radius: 10px; background: var(--brown); color: #fff; font-weight: 600; font-size: 0.95rem; text-decoration: none; }
.site-head a.site-cta:hover { background: var(--brown-2); }
.site-menu { display: none; position: relative; }
.site-menu summary { list-style: none; display: grid; place-items: center; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); color: var(--text); cursor: pointer; }
.site-menu summary::-webkit-details-marker { display: none; }
.site-menu[open] summary { background: var(--brown-soft); }
.site-menu .ic-close, .site-menu[open] .ic-open { display: none; }
.site-menu[open] .ic-close { display: block; }
.site-menu-panel { position: absolute; right: 0; top: calc(100% + 8px); width: min(300px, calc(100vw - 32px)); display: grid; gap: 2px; padding: 8px; background: var(--surface); border: 1px solid var(--line); border-radius: 16px; box-shadow: 0 12px 32px rgba(42, 33, 27, 0.16); }
.site-menu-panel > a { display: block; padding: 12px 14px; border-radius: 10px; color: var(--text); font-weight: 600; text-decoration: none; }
.site-menu-panel > a:hover, .site-menu-panel > a[aria-current] { background: var(--brown-soft); color: var(--brown-2); }
.site-menu-panel .site-lang { justify-self: start; margin: 8px 6px 4px; }
.site-menu-panel a.site-cta { margin: 6px; min-height: 46px; }
.site-head a:focus-visible, .site-foot a:focus-visible, .site-menu summary:focus-visible { outline: 3px solid var(--brown); outline-offset: 2px; }
@media (max-width: 860px) {
  .site-links, .site-head .site-wrap > .site-lang, .site-head .site-wrap > .site-cta { display: none; }
  .site-menu { display: block; }
}

/* ---------- Alt bilgi ---------- */
.site-foot { margin-top: 40px; padding: 24px 0 44px; border-top: 1px solid var(--line); color: var(--text-2); font: 0.92rem/1.6 var(--sans); }
.site-foot .site-wrap { display: grid; gap: 14px; }
.site-follow { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.site-follow span { margin-right: 4px; color: var(--text); font-weight: 600; }
.site-follow a { padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); color: var(--text); text-decoration: none; }
.site-follow a:hover { border-color: var(--brown); }
.site-foot-links { display: flex; flex-wrap: wrap; gap: 6px 18px; }
.site-foot-links a { color: var(--brown); }
.site-foot-links span { margin-left: auto; }
@media (max-width: 640px) { .site-foot-links span { margin-left: 0; width: 100%; } }
[data-founder][hidden] { display: none !important; }

/* ---------- Tanıtım sayfası öğeleri (body.site) ---------- */
body.site { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.6 var(--sans); -webkit-text-size-adjust: 100%; }
body.site * { box-sizing: border-box; }
.site main a { color: var(--brown); }
.site main a:focus-visible { outline: 3px solid var(--brown); outline-offset: 3px; }
.site .hero { padding: 40px 0 36px; text-align: center; }
.site .pill { display: inline-block; margin: 0 0 18px; padding: 6px 14px; border-radius: 999px; background: var(--brown-soft); color: var(--brown); font-size: 0.88rem; font-weight: 600; }
.site h1 { margin: 0 0 14px; font-family: var(--serif); font-weight: 600; font-size: clamp(2.1rem, 7vw, 3.4rem); line-height: 1.1; letter-spacing: -0.01em; }
.site .lead { max-width: 34em; margin: 0 auto 26px; color: var(--text-2); font-size: clamp(1.05rem, 2.8vw, 1.25rem); }
.site .cta { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.site .btn { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 12px 22px; border-radius: 12px; font-weight: 600; font-size: 1rem; text-decoration: none; }
.site .btn-primary { background: var(--brown); color: #fff; }
.site .btn-primary:hover { background: var(--brown-2); }
.site .btn-secondary { background: var(--surface); color: var(--brown); border: 1px solid var(--line); }
.site .btn-secondary:hover { border-color: var(--brown); }
.site .note { margin: 16px 0 0; color: var(--text-2); font-size: 0.93rem; }
.site .shots { padding: 28px 0; background: #4a3426; }
.site .shots .row { display: flex; justify-content: center; gap: 18px; max-width: 1040px; margin: 0 auto; padding: 0 20px; }
.site .shots img { display: block; width: min(30%, 290px); height: auto; border-radius: 14px; }
.site .page-intro { padding: 36px 0 8px; }
.site .page-intro h1 { font-size: clamp(1.9rem, 6vw, 2.6rem); }
.site .page-intro .lead { margin: 0; }
.site .features { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; padding: 24px 0; }
.site .card { padding: 20px; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; }
.site .card h2 { margin: 0 0 6px; font-size: 1.08rem; line-height: 1.35; }
.site .card p { margin: 0; color: var(--text-2); font-size: 0.98rem; }
.site .band { margin: 16px 0; padding: 28px 22px; background: var(--surface); border: 1px solid var(--line); border-radius: 16px; text-align: center; }
.site .band h2 { margin: 0 0 10px; font-family: var(--serif); font-weight: 600; font-size: clamp(1.45rem, 4vw, 1.8rem); line-height: 1.2; }
.site .band p { max-width: 34em; margin: 0 auto 18px; color: var(--text-2); }
.site .steps { max-width: 34em; margin: 0 auto 18px; padding-left: 1.2em; text-align: left; color: var(--text-2); }
.site .steps li { margin: 4px 0; }
.site .founder { display: grid; grid-template-columns: 136px 1fr; gap: 24px; align-items: center; margin: 0 0 36px; padding: 26px 28px; background: var(--surface); border: 1px solid var(--line); border-radius: 18px; box-shadow: 0 1px 2px rgba(42, 33, 27, 0.05), 0 8px 24px rgba(42, 33, 27, 0.06); }
.site .founder-art svg { display: block; width: 136px; height: 136px; filter: drop-shadow(0 4px 10px rgba(31, 52, 72, 0.25)); }
.site .founder-kicker { margin: 0 0 6px; color: #8a6a45; font-size: 0.8rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; }
.site .founder-kicker span { white-space: nowrap; }
.site .founder h2 { margin: 0 0 8px; color: var(--navy); font-family: var(--serif); font-weight: 600; font-size: clamp(1.55rem, 4vw, 1.95rem); line-height: 1.15; }
.site .founder p { margin: 0 0 12px; }
.site .founder .founder-how { margin-bottom: 16px; color: var(--text-2); font-size: 0.93rem; }
.site .founder .btn-primary { background: var(--navy); }
.site .founder .btn-primary:hover { background: #172839; }
@media (max-width: 640px) {
  .site .shots .row { justify-content: flex-start; overflow-x: auto; scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch; }
  .site .shots img { flex: 0 0 72%; width: 72%; scroll-snap-align: center; }
  .site .cta .btn, .site .band .btn { width: 100%; }
  .site .founder { grid-template-columns: 1fr; justify-items: center; padding: 24px 18px; text-align: center; }
  .site .founder-art svg { width: 112px; height: 112px; }
}