/* Onmasa landing — ortak stil (index.html + alt sayfalar).
   Build adımı yok, JS yok. Renk/tipografi sistemi panelle ortak:
   admin/static/styles.css ile aynı sıcak monokrom nötr rampası
   (görsel referans: tryestera.com). */
:root{
  --ink:#1c1d1f;
  --ink-soft:#45454a;
  --muted:#6b6b68;
  --muted-2:#9a9a96;
  --line:#e6e5e2;
  --line-strong:#d8d8d6;
  --canvas:#f9f8f6;
  --surface:#fff;
  --surface-2:#f5f5f3;
  --dark:#030303;
  --font-display:"Instrument Serif",Georgia,"Times New Roman",serif;
  --font-ui:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --gutter:clamp(16px,5vw,64px);
  --section:clamp(56px,8vw,112px);
  --maxw:1180px;
  color-scheme:light;
}
*{box-sizing:border-box}
html{min-width:320px;background:var(--canvas);-webkit-text-size-adjust:100%}
body{
  margin:0;min-width:320px;
  color:var(--ink);background:var(--canvas);
  font-family:var(--font-ui);font-size:16px;line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto}
a{color:inherit}
h1,h2,h3{font-family:var(--font-display);font-weight:400;letter-spacing:-.025em;margin:0}
h1{font-size:clamp(38px,6.2vw,72px);line-height:1.02}
h2{font-size:clamp(30px,4.4vw,52px);line-height:1.05}
h3{font-size:19px;line-height:1.25;letter-spacing:-.01em}
p{margin:0}

.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gutter)}
.rule{border:0;border-top:1px solid var(--line);margin:0}
.eyebrow{
  margin:0 0 18px;color:var(--muted);
  font-size:11px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
}
.lede{max-width:56ch;color:var(--muted);font-size:clamp(16px,1.6vw,18px)}

a:focus-visible,button:focus-visible,summary:focus-visible{
  outline:2px solid var(--ink);outline-offset:3px;border-radius:4px;
}

/* ---------- butonlar ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:12px 22px;border:1px solid var(--ink);border-radius:999px;
  color:var(--ink);background:transparent;
  font-size:15px;font-weight:600;text-decoration:none;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.btn:hover{background:var(--ink);color:var(--canvas);transform:translateY(-1px)}
.btn.solid{color:var(--canvas);background:var(--ink)}
.btn.solid:hover{background:var(--dark)}
.btn.quiet{border-color:var(--line-strong);color:var(--ink-soft)}
.btn.quiet:hover{border-color:var(--ink);background:transparent;color:var(--ink)}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}

/* ---------- üst bar ---------- */
.site-head{
  position:sticky;top:0;z-index:10;
  border-bottom:1px solid var(--line);
  background:rgba(249,248,246,.88);backdrop-filter:blur(10px);
}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px}
.wordmark{display:inline-flex;align-items:center;gap:10px;font-weight:600;text-decoration:none;letter-spacing:-.01em}
.wordmark img{width:34px;height:34px;border-radius:50%}

/* ---------- hero ---------- */
.hero{padding:clamp(48px,7vw,96px) 0 var(--section)}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(28px,5vw,72px);align-items:center}
.hero-art{justify-self:center;width:min(100%,360px)}
.hero-art img{display:block;width:100%}

.stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--surface)}
.stats .wrap{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);padding:0}
.stat{padding:clamp(24px,4vw,40px) var(--gutter);background:var(--surface)}
.stat b{display:block;font-family:var(--font-display);font-size:clamp(34px,5vw,56px);font-weight:400;line-height:1;letter-spacing:-.02em}
.stat span{display:block;margin-top:10px;color:var(--muted);font-size:11px;font-weight:600;letter-spacing:.12em;text-transform:uppercase}

/* ---------- bölümler ---------- */
section{scroll-margin-top:80px}
.band{padding:var(--section) 0}
.band.alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.band-head{max-width:62ch;margin-bottom:clamp(32px,5vw,56px)}
.band-head p{margin-top:18px}

.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.card{padding:clamp(22px,3vw,32px);background:var(--canvas)}
.band.alt .card{background:var(--surface)}
.card h3{margin-bottom:10px}
.card p{color:var(--muted);font-size:15px}
.card-no{
  display:block;margin-bottom:16px;font-family:var(--font-display);
  font-size:34px;line-height:1;color:#8f8f8b;
}

.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(20px,3vw,40px)}
.step{padding-top:20px;border-top:2px solid var(--ink)}
.step h3{margin-bottom:10px}
.step p{color:var(--muted);font-size:15px}

.industries{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px;padding:0;list-style:none}
.industries li{
  padding:10px 18px;border:1px solid var(--line-strong);border-radius:999px;
  background:var(--surface);font-size:15px;font-weight:500;
}
.note{
  margin-top:clamp(28px,4vw,44px);padding:20px 22px;
  border-left:2px solid var(--ink);background:var(--surface-2);
  color:var(--muted);font-size:15px;max-width:68ch;
}
.band.alt .note{background:var(--canvas)}

/* ---------- karşılaştırma ---------- */
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{width:100%;min-width:620px;border-collapse:collapse;background:var(--surface);border:1px solid var(--line)}
caption{caption-side:bottom;margin-top:14px;color:var(--muted);font-size:13px;text-align:left}
th,td{padding:15px 18px;border-top:1px solid var(--line);text-align:left;font-size:15px}
thead th{
  border-top:0;color:var(--muted);background:var(--surface-2);
  font-size:11px;font-weight:600;letter-spacing:.11em;text-transform:uppercase;
}
tbody th{font-weight:500;color:var(--ink-soft)}
td.on{font-weight:600}
td.off{color:var(--muted)}

/* ---------- SSS (native <details>, JS yok) ---------- */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:22px 0;cursor:pointer;list-style:none;
  font-size:17px;font-weight:500;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";flex:0 0 auto;font-family:var(--font-display);font-size:26px;line-height:1;color:var(--muted)}
.faq details[open] summary::after{content:"\2212"}
.faq details p{padding:0 44px 24px 0;max-width:72ch;color:var(--muted)}

/* ---------- kapanış + footer ---------- */
.closing{padding:var(--section) 0;background:var(--dark);color:var(--canvas)}
.closing h2{color:var(--canvas)}
.closing p{margin-top:18px;max-width:52ch;color:#b6b6b0}
.closing .btn{border-color:var(--canvas);color:var(--canvas)}
.closing .btn:hover{background:var(--canvas);color:var(--dark)}
.closing .btn.solid{background:var(--canvas);color:var(--dark)}
.closing .btn.solid:hover{background:#fff}

.site-foot{padding:36px 0;border-top:1px solid var(--line)}
.site-foot .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;color:var(--muted);font-size:14px}
.site-foot a{text-decoration:underline;text-underline-offset:3px}

/* ---------- alt sayfa: dar hero + breadcrumb ---------- */
.page-hero{padding:clamp(36px,5vw,72px) 0 clamp(32px,4vw,56px)}
.page-hero h1{max-width:20ch;font-size:clamp(34px,5.4vw,62px)}
.page-hero .lede{margin-top:22px}
.crumb{margin-bottom:22px;color:var(--muted);font-size:13px}
.crumb a{color:var(--muted);text-decoration:underline;text-underline-offset:3px}
.crumb span{margin:0 8px;color:var(--line-strong)}

/* ---------- uzun metin (blog/makale) ---------- */
.prose{max-width:72ch}
.prose p{margin-top:18px;color:var(--ink-soft)}
.prose h2{margin-top:clamp(38px,5vw,60px);font-size:clamp(26px,3.4vw,40px)}
.prose h3{margin-top:30px}
.prose ul,.prose ol{margin-top:18px;padding-left:22px;color:var(--ink-soft)}
.prose li{margin-top:9px}
.prose strong{color:var(--ink)}
.article-meta{
  display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:26px;
  color:var(--muted);font-size:13px;
}
.callout{
  margin-top:clamp(28px,4vw,44px);padding:22px 24px;
  border:1px solid var(--line);background:var(--surface);
}
.callout h3{margin-bottom:8px}
.callout p{margin-top:8px;color:var(--muted);font-size:15px;max-width:64ch}

/* ---------- ilgili sayfalar ---------- */
.related{margin-top:clamp(36px,5vw,56px);padding-top:26px;border-top:1px solid var(--line)}
.related h2{font-size:clamp(22px,2.6vw,30px)}
.related ul{margin-top:16px;padding:0;list-style:none;display:grid;gap:1px;background:var(--line);border:1px solid var(--line)}
.related li{background:var(--canvas)}
.related a{display:block;padding:18px 22px;text-decoration:none;font-weight:500}
.related a:hover{background:var(--surface)}
.related a span{display:block;margin-top:4px;color:var(--muted);font-size:14px;font-weight:400}

/* footer bağlantı listesi */
.foot-links{display:flex;flex-wrap:wrap;gap:8px 18px}
.foot-links a{color:var(--muted)}

@media (max-width:860px){
  .hero .wrap{grid-template-columns:1fr}
  .hero-art{order:-1;width:min(60%,220px);justify-self:start}
  .cards,.steps{grid-template-columns:1fr}
  .steps{gap:26px}
  .stats .wrap{grid-template-columns:1fr}
}
@media (max-width:560px){
  .cta-row .btn{flex:1 1 100%}
  .site-head .wrap{min-height:60px}
}
@media (prefers-reduced-motion:reduce){
*{transition:none!important;scroll-behavior:auto!important}
.btn:hover{transform:none}
}