/* bayib2b.com.tr — BayiB2B pazarlama sitesi (Silicon dili + BayiB2B prizma vurgusu) */
:root{--ink:#1D1D1F;--ink2:#424245;--ti:#6E6E73;--ti2:#86868B;--mist:#F5F5F7;--snow:#FBFBFD;--line:#E3E3E8;
  --p1:#3E8BFF;--p2:#8D6BF5;--p3:#E36BB1;--p4:#FF8F6B;--pz:linear-gradient(90deg,var(--p1),var(--p2) 40%,var(--p3) 75%,var(--p4));
  --pzs:linear-gradient(120deg,rgba(62,139,255,.09),rgba(141,107,245,.09) 40%,rgba(227,107,177,.09) 75%,rgba(255,143,107,.09));
  --r:24px;--ease:cubic-bezier(.22,1,.36,1);--sh:0 1px 2px rgba(0,0,0,.04),0 20px 44px -26px rgba(30,30,60,.25)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:76px}
body{margin:0;font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;color:var(--ink);background:#fff;-webkit-font-smoothing:antialiased;letter-spacing:-.011em}
a{color:inherit}img{max-width:100%}
.pz{background:var(--pz);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.bb-wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
.bb-sec{padding:96px 0}.bb-sec.snow{background:var(--snow)}.bb-sec.dark{background:radial-gradient(120% 120% at 80% 0%,#1f1836 0%,#0d0d12 55%,#000 100%);color:#F5F5F7}
.bb-kick{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--p2)}
.dark .bb-kick{color:#C9B8FF}
.bb-h2{font-size:clamp(30px,4vw,50px);font-weight:800;letter-spacing:-.04em;line-height:1.05;margin:10px 0 14px}
.bb-lead{font-size:18px;color:var(--ti);line-height:1.6;max-width:720px;margin:0 auto}
.dark .bb-lead{color:#A1A1AA}
.bb-center{text-align:center}
.bb-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:52px;padding:0 26px;border-radius:999px;border:0;font:inherit;font-size:16px;font-weight:700;text-decoration:none;cursor:pointer;transition:transform .15s var(--ease),box-shadow .2s}
.bb-btn:active{transform:scale(.98)}
.bb-btn.ink{background:var(--ink);color:#fff}.bb-btn.ink:hover{box-shadow:0 14px 30px -14px rgba(0,0,0,.6)}
.bb-btn.pzb{background:var(--pz);color:#fff;box-shadow:0 14px 30px -14px rgba(141,107,245,.8)}
.bb-btn.ghost{background:#fff;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--line)}
.dark .bb-btn.ghost{background:rgba(255,255,255,.08);color:#fff;box-shadow:inset 0 0 0 1px rgba(255,255,255,.18)}
/* üst menü */
.bb-nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.82);-webkit-backdrop-filter:saturate(180%) blur(18px);backdrop-filter:saturate(180%) blur(18px);border-bottom:1px solid rgba(0,0,0,.06)}
.bb-nav-in{display:flex;align-items:center;gap:22px;height:64px}
.bb-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;letter-spacing:-.03em;text-decoration:none}
.bb-logo i{width:32px;height:32px;border-radius:10px;background:var(--pz);display:grid;place-items:center;color:#fff;font-style:normal;font-size:15px}
.bb-links{display:flex;gap:4px;margin-left:12px}
.bb-links a{font-size:14px;font-weight:600;color:var(--ti);text-decoration:none;padding:8px 12px;border-radius:999px}
.bb-links a:hover{color:var(--ink);background:var(--mist)}
.bb-nav .bb-btn{height:40px;padding:0 18px;font-size:14px;margin-left:auto}
.bb-burger{display:none;margin-left:auto;border:0;background:var(--mist);width:40px;height:40px;border-radius:12px;font-size:20px}
/* hero */
.bb-hero{position:relative;overflow:hidden;padding:88px 0 40px;text-align:center}
.bb-hero::before{content:"";position:absolute;left:50%;top:-260px;width:1100px;height:700px;transform:translateX(-50%);background:radial-gradient(closest-side,rgba(141,107,245,.18),rgba(62,139,255,.08) 55%,transparent);pointer-events:none}
.bb-hero>*{position:relative}
.bb-pill{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;background:#fff;box-shadow:inset 0 0 0 1px var(--line);font-size:13px;font-weight:600;color:var(--ink2)}
.bb-pill b{background:var(--pz);color:#fff;font-size:11px;padding:2px 8px;border-radius:999px}
.bb-hero h1{font-size:clamp(40px,6.4vw,82px);font-weight:800;letter-spacing:-.05em;line-height:1.02;margin:20px auto 18px;max-width:1000px}
.bb-hero .bb-lead{font-size:20px}
.bb-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:30px}
.bb-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;max-width:880px;margin:44px auto 0}
.bb-stat{padding:18px;border-radius:20px;background:var(--snow);box-shadow:inset 0 0 0 1px var(--line)}
.bb-stat b{display:block;font-size:30px;font-weight:800;letter-spacing:-.04em}
.bb-stat span{font-size:13px;color:var(--ti)}
.bb-shot{margin:56px auto 0;max-width:1100px;border-radius:22px;overflow:hidden;background:#1C1C22;box-shadow:0 0 0 1px rgba(0,0,0,.06),0 60px 120px -50px rgba(40,30,90,.55)}
.bb-shot .bar{display:flex;gap:6px;padding:11px 15px;background:#232329}.bb-shot .bar i{width:11px;height:11px;border-radius:50%;display:block}
.bb-shot img{display:block;width:100%}
/* karşılaştırma */
.bb-vs{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:44px}
.bb-vs>div{padding:30px;border-radius:var(--r)}
.bb-vs .old{background:var(--mist)}.bb-vs .new{background:var(--pzs);box-shadow:inset 0 0 0 1.5px rgba(141,107,245,.3)}
.bb-vs h3{font-size:20px;font-weight:800;margin:0 0 14px;letter-spacing:-.02em}
.bb-vs ul{list-style:none;padding:0;margin:0}
.bb-vs li{display:flex;gap:10px;padding:8px 0;font-size:15.5px;color:var(--ink2)}
.bb-vs .old li::before{content:"\2715";color:var(--ti2);font-weight:700}.bb-vs .new li::before{content:"\2713";color:var(--p2);font-weight:800}
/* sekmeli ekranlar */
.bb-seg{display:inline-flex;gap:4px;padding:5px;border-radius:999px;background:var(--mist);margin:30px auto 26px;flex-wrap:wrap;justify-content:center}
.bb-seg button{border:0;background:transparent;padding:9px 18px;border-radius:999px;font:inherit;font-size:14px;font-weight:600;color:var(--ti);cursor:pointer}
.bb-seg button.on{background:#fff;color:var(--ink);box-shadow:0 1px 4px rgba(0,0,0,.1)}
.bb-pane{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:34px;align-items:center;text-align:left}
.bb-pane h3{font-size:26px;font-weight:800;letter-spacing:-.03em;margin:0 0 10px}
.bb-pane p{color:var(--ink2);line-height:1.7;margin:0 0 12px}
.bb-pane ul{padding-left:18px;margin:0;color:var(--ink2);line-height:1.9}
/* kart ızgaraları */
.bb-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:44px}
.bb-card{padding:26px;border-radius:var(--r);background:#fff;box-shadow:var(--sh);transition:transform .2s var(--ease)}
.bb-card:hover{transform:translateY(-3px)}
.bb-card .ic{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;font-size:21px;background:var(--pzs);color:var(--p2);margin-bottom:14px}
.bb-card h3{font-size:18px;font-weight:800;letter-spacing:-.02em;margin:0 0 6px}
.bb-card p{font-size:14.5px;color:var(--ti);line-height:1.6;margin:0}
.dark .bb-card{background:rgba(255,255,255,.045);box-shadow:inset 0 0 0 1px rgba(255,255,255,.09)}
.dark .bb-card .ic{background:var(--pz);color:#fff}
.dark .bb-card h3{color:#fff}.dark .bb-card p{color:#A1A1AA}
.bb-quote{margin-top:14px;font-size:13px;color:#E5E5EA;padding:9px 12px;border-radius:12px;background:rgba(255,255,255,.06)}
.bb-quote i{color:#C9B8FF}
.bb-tag{display:inline-block;font-size:10.5px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;padding:3px 9px;border-radius:999px;background:var(--pz);color:#fff;margin-left:6px;vertical-align:middle}
/* sektörler */
.bb-sector{padding:22px;border-radius:20px;background:#fff;box-shadow:inset 0 0 0 1px var(--line)}
.bb-sector .hd{display:flex;gap:10px;align-items:center;margin-bottom:10px}
.bb-sector .hd i{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-size:19px;color:var(--sc);background:color-mix(in srgb,var(--sc) 14%,#fff)}
.bb-sector .hd b{font-size:16px}
.bb-sector ul{list-style:none;padding:0;margin:0}
.bb-sector li{display:flex;gap:8px;font-size:13.5px;color:var(--ink2);padding:4px 0}
.bb-sector li::before{content:"\2713";color:var(--sc);font-weight:800}
/* akış */
.bb-flow{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px;margin-top:44px;counter-reset:f}
.bb-flow div{position:relative;padding:20px 16px;border-radius:18px;background:#fff;box-shadow:inset 0 0 0 1px var(--line);text-align:left}
.bb-flow div::before{counter-increment:f;content:counter(f);display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--ink);color:#fff;font-size:13px;font-weight:800;margin-bottom:10px}
.bb-flow b{display:block;font-size:14.5px;margin-bottom:4px}.bb-flow span{font-size:12.5px;color:var(--ti);line-height:1.5}
/* adımlar */
.bb-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:44px}
.bb-step{padding:26px;border-radius:var(--r);background:var(--snow);box-shadow:inset 0 0 0 1px var(--line);text-align:left}
.bb-step em{font-style:normal;font-size:44px;font-weight:800;letter-spacing:-.05em}
.bb-step b{display:block;font-size:17px;margin:6px 0}.bb-step span{font-size:14px;color:var(--ti);line-height:1.6}
/* satın al / teklif */
.bb-buy{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(330px,1fr);gap:24px;align-items:start;margin-top:44px;text-align:left}
.bb-panel{padding:26px;border-radius:var(--r);background:#fff;box-shadow:var(--sh)}
.bb-panel h3{font-size:19px;font-weight:800;letter-spacing:-.02em;margin:0 0 4px}
.bb-panel .sub{font-size:14px;color:var(--ti);margin:0 0 16px}
.bb-pkg{display:flex;align-items:center;gap:14px;padding:18px 20px;border-radius:18px;box-shadow:inset 0 0 0 1.5px var(--line);cursor:pointer;margin-bottom:10px;transition:box-shadow .2s}
.bb-pkg input{position:absolute;opacity:0}
.bb-pkg .rd{width:22px;height:22px;border-radius:50%;box-shadow:inset 0 0 0 2px var(--line);flex-shrink:0}
.bb-pkg.on{box-shadow:inset 0 0 0 2px var(--ink)}.bb-pkg.on .rd{box-shadow:inset 0 0 0 7px var(--ink)}
.bb-pkg b{font-size:17px}.bb-pkg small{display:block;font-size:13px;color:var(--ti)}
.bb-pkg .pr{margin-left:auto;text-align:right;font-weight:800;font-size:20px;letter-spacing:-.02em;white-space:nowrap}
.bb-pkg .pr small{font-weight:500}
.bb-badge{font-size:10.5px;font-weight:800;text-transform:uppercase;letter-spacing:.04em;padding:3px 9px;border-radius:999px;background:var(--pzs);color:var(--p2);margin-left:6px}
.bb-mods{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.bb-mod{display:flex;gap:10px;align-items:flex-start;padding:12px 14px;border-radius:14px;background:var(--snow);box-shadow:inset 0 0 0 1px var(--line);cursor:pointer;position:relative}
.bb-mod input{margin-top:3px;width:17px;height:17px;accent-color:#1D1D1F;flex-shrink:0}
.bb-mod b{font-size:13.5px;display:block}.bb-mod .pr{margin-left:auto;font-size:13px;font-weight:700;white-space:nowrap;text-align:right}
.bb-mod .pr s{display:block;font-weight:500;font-size:11.5px;color:var(--ti2)}
.bb-mod.on{background:#fff;box-shadow:inset 0 0 0 1.5px var(--ink)}
.bb-mod .tip{position:relative;color:var(--ti2);font-size:13px;margin-left:4px}
.bb-mod .tip:hover::after{content:attr(data-tip);position:absolute;left:50%;bottom:calc(100% + 8px);transform:translateX(-50%);width:240px;padding:10px 12px;border-radius:12px;background:var(--ink);color:#fff;font-size:12px;font-weight:500;line-height:1.5;z-index:5;white-space:normal}
.bb-field{margin-bottom:12px}
.bb-field label{display:block;font-size:12.5px;font-weight:700;color:var(--ink2);margin-bottom:6px}
.bb-field input,.bb-field textarea,.bb-field select{width:100%;height:50px;border-radius:14px;border:0;background:var(--mist);padding:0 16px;font:inherit;font-size:16px;color:var(--ink);outline:0;transition:box-shadow .2s,background .2s}
.bb-field textarea{height:auto;min-height:96px;padding:14px 16px;resize:vertical}
.bb-field input:focus,.bb-field textarea:focus{background:#fff;box-shadow:inset 0 0 0 2px var(--p2)}
.bb-field input.bad{box-shadow:inset 0 0 0 2px #D70015}
.bb-row2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.bb-sum{position:sticky;top:84px}
.bb-sum-row{display:flex;justify-content:space-between;gap:10px;padding:8px 0;font-size:14.5px;color:var(--ink2)}
.bb-sum-row b{color:var(--ink);font-variant-numeric:tabular-nums;white-space:nowrap}
.bb-sum-total{display:flex;justify-content:space-between;align-items:baseline;border-top:1px solid var(--line);padding-top:14px;margin-top:8px}
.bb-sum-total b{font-size:32px;font-weight:800;letter-spacing:-.04em;font-variant-numeric:tabular-nums}
.bb-note{font-size:12.5px;color:var(--ti2);text-align:center;margin-top:10px;line-height:1.5}
.bb-err{display:none;padding:12px 14px;border-radius:12px;background:#FDECEE;color:#8A0010;font-size:13.5px;margin-top:12px}
.bb-ok{padding:18px;border-radius:16px;background:#E8F6EC;color:#14662B;font-weight:600}
/* SSS */
.bb-faq{max-width:860px;margin:40px auto 0;text-align:left}
.bb-faq details{border-bottom:1px solid var(--line);padding:6px 0}
.bb-faq summary{cursor:pointer;list-style:none;padding:16px 0;font-size:17px;font-weight:700;display:flex;justify-content:space-between;gap:12px}
.bb-faq summary::-webkit-details-marker{display:none}
.bb-faq summary::after{content:"+";font-size:24px;color:var(--p2);line-height:1}
.bb-faq details[open] summary::after{content:"\2212"}
.bb-faq p{color:var(--ink2);line-height:1.75;margin:0 0 16px}
/* alt bilgi */
.bb-foot{padding:44px 0;border-top:1px solid var(--line);font-size:13.5px;color:var(--ti)}
.bb-foot-in{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.bb-wa{position:fixed;right:20px;bottom:20px;z-index:60;width:56px;height:56px;border-radius:50%;background:#25D366;color:#fff;display:grid;place-items:center;font-size:26px;box-shadow:0 14px 30px -10px rgba(37,211,102,.7);text-decoration:none}
.bb-reveal{opacity:0;transform:translateY(16px);transition:opacity .7s var(--ease),transform .7s var(--ease)}.bb-reveal.in{opacity:1;transform:none}
@media (max-width:991px){.bb-links{display:none}.bb-links.open{display:flex;position:absolute;top:64px;left:0;right:0;flex-direction:column;background:#fff;padding:10px 20px;box-shadow:0 20px 40px -20px rgba(0,0,0,.3)}.bb-burger{display:block}.bb-nav .bb-btn{display:none}
  .bb-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.bb-flow{grid-template-columns:repeat(3,minmax(0,1fr))}.bb-steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .bb-pane,.bb-buy,.bb-vs{grid-template-columns:1fr}.bb-sum{position:static}.bb-stats{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:600px){.bb-sec{padding:64px 0}.bb-grid,.bb-mods,.bb-row2,.bb-flow,.bb-steps{grid-template-columns:1fr}.bb-hero{padding-top:56px}}
@media (prefers-reduced-motion:reduce){.bb-reveal{opacity:1;transform:none;transition:none}}