/* SBT Studio — ana sayfa (v3). Renkler yalnızca brand.css token'larından gelir. */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body.sbt-home{margin:0;background:var(--color-bg);color:var(--color-text);font-family:var(--font-sans);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
.sbt-home a{text-decoration:none}
.sbt-home a:not(.b){color:inherit}
.sbt-home img{display:block;max-width:100%}
.sbt-home button,.sbt-home select{font:inherit}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.sbt-home h1,.sbt-home h2,.sbt-home h3{font-family:var(--font-display);letter-spacing:-.025em;color:var(--color-text)}
.kicker{display:inline-flex;align-items:center;gap:10px;font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;color:var(--color-primary);font-weight:600}
.lead{color:var(--color-text-secondary);font-size:1.075rem;line-height:1.75;max-width:560px}
.hidden{display:none!important}

/* ---------- Buton hiyerarşisi ---------- */
.b{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-sm);padding:14px 22px;font-weight:600;font-size:.94rem;border:1px solid transparent;cursor:pointer;transition:background .2s,border-color .2s,color .2s,transform .2s;white-space:nowrap;font-family:var(--font-sans)}
.b:focus-visible{outline:none;box-shadow:0 0 0 3px var(--color-focus)}
.b-primary{background:var(--color-primary);color:#fff}
.b-primary:hover{background:var(--color-primary-hover)}
.b-primary:active{background:var(--color-primary-active)}
.b-secondary{background:var(--color-surface);color:var(--color-navy);border-color:var(--color-border)}
.b-secondary:hover{border-color:var(--color-navy)}
.b-secondary-dark{background:transparent;color:#fff;border-color:rgba(255,255,255,.3)}
.b-secondary-dark:hover{border-color:#fff;background:rgba(255,255,255,.06)}
.b-link{padding:0;color:var(--color-primary);font-weight:600;border:0;background:none}
.b-link:hover{color:var(--color-primary-hover)}
.b .arr{transition:transform .25s var(--ease)}
.b:hover .arr{transform:translateX(3px)}

/* görünüm animasyonu (main.js .reveal -> .show) */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.show{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---------- Lacivert bölüm ---------- */
.navy{background:var(--color-navy);color:var(--color-on-dark)}
.navy h1,.navy h2,.navy h3{color:var(--color-on-dark)}
.navy .kicker{color:var(--color-primary-on-dark)}
.navy .lead,.navy p{color:var(--color-on-dark-secondary)}

/* ---------- HERO ---------- */
.hero{position:relative;padding:104px 0 96px;overflow:hidden;isolation:isolate}
.hero::before{content:"";position:absolute;right:-12%;top:-30%;width:900px;height:900px;background:radial-gradient(closest-side,rgba(37,99,235,.18),transparent 70%);z-index:-1}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{font-weight:700;font-size:clamp(2.7rem,5.4vw,4.6rem);line-height:1.04;margin:22px 0 22px}
.hero h1 em{font-style:normal;color:var(--color-primary-on-dark)}
.hero .lead{color:var(--color-on-dark-secondary)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.hero-proof{display:flex;gap:44px;margin-top:52px;padding-top:26px;border-top:1px solid var(--color-navy-line);flex-wrap:wrap}
.hero-proof b{display:block;font-family:var(--font-display);font-weight:700;font-size:2rem;line-height:1.1;color:#fff}
.hero-proof span{font-size:.82rem;color:var(--color-on-dark-muted)}
.hero .badge-premium{display:inline-flex;align-items:center;gap:8px;font-size:.72rem;font-weight:600;letter-spacing:.08em;color:var(--color-on-dark-secondary);border:1px solid var(--color-navy-line);border-radius:var(--radius-pill);padding:7px 14px}
.hero .badge-premium i{width:6px;height:6px;border-radius:50%;background:var(--color-premium)}

.stack{position:relative;height:540px;perspective:1600px}
.frame{position:absolute;border-radius:14px;overflow:hidden;background:var(--color-surface);border:1px solid rgba(255,255,255,.12);box-shadow:0 40px 80px -20px rgba(2,8,23,.7)}
.frame .bar{height:26px;display:flex;align-items:center;gap:6px;padding:0 12px;background:var(--color-surface-soft);border-bottom:1px solid var(--color-border)}
.frame .bar i{width:8px;height:8px;border-radius:50%;background:var(--color-border-strong)}
.frame img{width:100%;height:calc(100% - 26px);object-fit:cover;object-position:top}
.frame.f1{width:78%;height:350px;right:0;top:0;transform:rotateY(-10deg) rotateX(3deg);z-index:3}
.frame.f2{width:64%;height:290px;left:0;top:165px;transform:rotateY(-10deg) rotateX(3deg) translateZ(-80px);z-index:2}
.frame.f3{width:58%;height:250px;right:6%;bottom:0;transform:rotateY(-10deg) rotateX(3deg) translateZ(-160px);z-index:1}
.stack-tag{position:absolute;left:4%;bottom:22px;z-index:4;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:12px 16px;font-size:.8rem;color:var(--color-text-secondary);box-shadow:var(--shadow-md)}
.stack-tag b{display:block;color:var(--color-text);font-weight:600;font-size:.88rem}
.stack-tag .dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--color-success);margin-right:8px;box-shadow:0 0 0 4px rgba(22,163,74,.15)}

/* ---------- Sektör şeridi ---------- */
.marquee{border-bottom:1px solid var(--color-border);overflow:hidden;padding:20px 0;background:var(--color-surface)}
.marquee-track{display:flex;gap:48px;width:max-content;animation:mq 46s linear infinite}
.marquee span{font-family:var(--font-display);font-weight:600;font-size:1.05rem;color:var(--color-text-muted);white-space:nowrap}
.marquee span i{font-style:normal;color:var(--color-border-strong);margin-left:48px}
@keyframes mq{to{transform:translateX(-50%)}}
@media(prefers-reduced-motion:reduce){.marquee-track{animation:none}}

/* ---------- Bölüm genel ---------- */
.sec{padding:112px 0}
.sec.soft{background:var(--color-surface-soft)}
.sec.white{background:var(--color-surface)}
.sec-head{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:end;margin-bottom:56px}
.sec-head h2{font-weight:700;font-size:clamp(2.1rem,3.8vw,3.3rem);line-height:1.1;margin:14px 0 0}
.sec-head h2 em{font-style:normal;color:var(--color-primary)}
.navy .sec-head h2 em{color:var(--color-primary-on-dark)}
.sec-head p{color:var(--color-text-secondary);margin:0;max-width:480px;justify-self:end}

/* ---------- Sektör odağı ---------- */
.sectors{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.sector{position:relative;border-radius:var(--radius-lg);overflow:hidden;min-height:580px;display:flex;flex-direction:column;justify-content:flex-end;isolation:isolate;box-shadow:var(--shadow-md)}
.sector>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;transition:transform 1.2s var(--ease)}
.sector:hover>img{transform:scale(1.04)}
.sector--shop{background:var(--color-navy);justify-content:flex-start;min-height:0}
.sector--shop>img{position:static;height:auto;aspect-ratio:960/610;z-index:auto}
.sector--shop::before{display:none}
.sector::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,31,58,0) 20%,rgba(11,31,58,.55) 45%,rgba(11,31,58,.96) 80%);z-index:-1}
.sector-body{padding:28px}
.sector .num{position:absolute;top:22px;left:26px;font-family:var(--font-display);font-weight:700;font-size:.85rem;color:#fff;background:rgba(11,31,58,.55);border-radius:var(--radius-pill);padding:4px 12px}
.sector h3{font-weight:700;font-size:1.65rem;line-height:1.15;margin:0 0 10px;color:#fff}
.sector p{color:var(--color-on-dark-secondary);font-size:.93rem;margin:0 0 16px}
.sector ul{list-style:none;padding:0;margin:0 0 20px;display:grid;gap:7px;font-size:.86rem;color:#E2E8F0}
.sector li::before{content:"✓";color:var(--color-primary-on-dark);margin-right:10px;font-weight:700}
.demo-links{display:flex;gap:8px;flex-wrap:wrap}
.sbt-home .demo-links a{font-size:.76rem;font-weight:600;letter-spacing:.06em;padding:8px 14px;border-radius:var(--radius-sm);border:1px solid rgba(255,255,255,.3);color:#fff;background:rgba(11,31,58,.35);transition:.2s}
.sbt-home .demo-links a:hover{background:#fff;color:var(--color-navy)}
.sectors-foot{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-top:36px;padding-top:24px;border-top:1px solid var(--color-border);color:var(--color-text-secondary);font-size:.94rem;flex-wrap:wrap}

/* ---------- Hizmetler ---------- */
.services{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.service{padding:30px 26px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:box-shadow .25s,border-color .25s}
.service:hover{box-shadow:var(--shadow-md);border-color:var(--color-border-strong)}
.service .n{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:var(--radius-sm);background:var(--color-primary-soft);color:var(--color-primary);font-weight:700;font-size:.85rem;font-family:var(--font-display)}
.service h3{font-weight:700;font-size:1.2rem;margin:20px 0 8px}
.service p{color:var(--color-text-secondary);font-size:.93rem;margin:0}

/* ---------- Paketler ---------- */
.pricing{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;align-items:stretch}
.package{position:relative;display:flex;flex-direction:column;border-radius:var(--radius-lg);padding:30px 26px;background:var(--color-surface);border:1px solid var(--color-border);box-shadow:var(--shadow-sm)}
.package h3{font-family:var(--font-sans);font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;font-weight:600;color:var(--color-text-secondary);margin:0}
.package .price{font-family:var(--font-display);font-weight:700;font-size:2.5rem;line-height:1;margin:18px 0 6px;color:var(--color-text);letter-spacing:-.03em}
.package .vat{font-size:.78rem;color:var(--color-text-muted)}
.package .for{color:var(--color-text-secondary);font-size:.9rem;margin:16px 0 20px;min-height:66px}
.package .facts{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--color-border);border:1px solid var(--color-border);border-radius:var(--radius-sm);overflow:hidden;margin-bottom:22px}
.package .facts div{background:var(--color-surface-soft);padding:10px 12px;font-size:.74rem;color:var(--color-text-secondary)}
.package .facts b{display:block;color:var(--color-text);font-size:.86rem;font-weight:600}
.package ul{list-style:none;padding:0;margin:0 0 26px;display:grid;gap:9px;font-size:.88rem;color:var(--color-text-secondary)}
.package li{display:flex;gap:10px}
.package li::before{content:"✓";flex:0 0 auto;color:var(--color-primary);font-weight:700}
.package .b{margin-top:auto;width:100%}
.package.featured{border:2px solid var(--color-primary);box-shadow:var(--shadow-lg)}
.package .flag{position:absolute;top:-12px;left:24px;background:var(--color-primary);color:#fff;font-size:.66rem;letter-spacing:.12em;font-weight:700;padding:5px 12px;border-radius:var(--radius-pill)}
.package.custom{background:var(--color-navy);border-color:var(--color-navy);box-shadow:var(--shadow-lg)}
.package.custom h3{color:var(--color-premium)}
.package.custom .price{color:#fff}
.package.custom .for,.package.custom .vat{color:var(--color-on-dark-secondary)}
.package.custom ul{color:var(--color-on-dark-secondary)}
.package.custom li::before{color:var(--color-primary-on-dark)}
.package.custom .facts{background:var(--color-navy-line);border-color:var(--color-navy-line)}
.package.custom .facts div{background:var(--color-navy-raised);color:var(--color-on-dark-muted)}
.package.custom .facts b{color:#fff}
.package.custom .flag{background:var(--color-premium);color:var(--color-navy)}
.price-note{display:flex;gap:28px;flex-wrap:wrap;margin-top:26px;color:var(--color-text-secondary);font-size:.88rem}
.price-note span::before{content:"✓";color:var(--color-primary);margin-right:8px;font-weight:700}

/* karşılaştırma */
.compare-wrap{margin-top:56px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:auto;box-shadow:var(--shadow-sm)}
.compare{width:100%;border-collapse:collapse;min-width:720px;font-size:.9rem}
.compare th,.compare td{padding:15px 22px;text-align:left;border-bottom:1px solid var(--color-border)}
.compare thead th{font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;color:var(--color-text-secondary);font-weight:600;background:var(--color-surface-soft)}
.compare td{color:var(--color-text)}
.compare td:first-child{color:var(--color-text-secondary)}
.compare .hl{background:var(--color-primary-soft);color:var(--color-navy);font-weight:500}
.compare thead .hl{color:var(--color-primary)}
.compare tr:last-child td{border-bottom:0}

/* ---------- Süreç ---------- */
.process{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.step{padding:24px 20px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);position:relative}
.step b{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--color-navy);color:#fff;font-size:.78rem;font-family:var(--font-display)}
.step h3{font-weight:700;font-size:1.08rem;margin:16px 0 8px}
.step p{color:var(--color-text-secondary);font-size:.87rem;margin:0}
.step small{display:inline-block;margin-top:14px;color:var(--color-primary);background:var(--color-primary-soft);border-radius:var(--radius-pill);padding:3px 10px;font-size:.72rem;font-weight:600}

/* ---------- Güvenceler (lacivert) ---------- */
.promise{display:grid;grid-template-columns:1fr 1.1fr;gap:72px;align-items:start}
.promise h2{font-weight:700;font-size:clamp(2.1rem,3.8vw,3.2rem);line-height:1.1;margin:14px 0 20px}
.promise h2 em{font-style:normal;color:var(--color-primary-on-dark)}
.promise-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.promise-item{padding:22px;border-radius:var(--radius);background:var(--color-navy-raised);border:1px solid var(--color-navy-line)}
.promise-item .ic{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:var(--radius-sm);background:rgba(37,99,235,.18);color:var(--color-primary-on-dark);font-size:1rem;margin-bottom:14px}
.promise-item h3{margin:0 0 6px;font-size:1rem;font-weight:600}
.promise-item p{margin:0;font-size:.88rem;color:var(--color-on-dark-secondary)}
.founder{margin-top:30px;padding:20px 22px;border-radius:var(--radius);background:var(--color-navy-raised);border:1px solid var(--color-navy-line);display:flex;gap:16px;align-items:center}
.founder .mono{flex:0 0 52px;height:52px;border-radius:var(--radius-sm);background:var(--color-navy-deep);display:grid;place-items:center}
.founder .mono img{width:36px}
.founder b{display:block;font-size:.98rem;color:#fff}
.founder span{color:var(--color-on-dark-muted);font-size:.85rem}
.founder::after{content:"";margin-left:auto;width:3px;align-self:stretch;border-radius:3px;background:var(--color-premium)}

/* ---------- Sihirbaz ---------- */
.wizard{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}
.wizard-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-sm)}
.question{padding:15px 0;border-bottom:1px solid var(--color-border);display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.question:last-child{border-bottom:0}
.question label{font-size:.95rem;color:var(--color-text);font-weight:500}
.choice-row{display:flex;gap:8px}
.choice{background:var(--color-surface);border:1px solid var(--color-border);color:var(--color-text-secondary);border-radius:var(--radius-sm);padding:9px 16px;font-size:.84rem;cursor:pointer;transition:.2s}
.choice:hover{border-color:var(--color-border-strong);color:var(--color-text)}
.choice.selected{background:var(--color-primary-soft);color:var(--color-primary-active);border-color:var(--color-primary);font-weight:600}
.result{border-radius:var(--radius-lg);padding:32px;background:var(--color-navy);display:flex;flex-direction:column;box-shadow:var(--shadow-lg)}
.result .kicker{color:var(--color-primary-on-dark)}
.result-package{font-family:var(--font-display);font-weight:700;font-size:3.2rem;line-height:1;margin:16px 0 12px;color:#fff}
.result-note{color:var(--color-on-dark-secondary);margin:0 0 26px}
.result .b{margin-top:auto}

/* ---------- SSS ---------- */
.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:72px}
.faq-grid h2{font-family:var(--font-display);font-weight:700;font-size:clamp(2rem,3.4vw,3rem);line-height:1.1;margin:14px 0 16px}
.faq details{border-bottom:1px solid var(--color-border);padding:20px 0}
.faq details:first-child{border-top:1px solid var(--color-border)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:20px;font-size:1.02rem;font-weight:600;color:var(--color-text)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";flex:none;width:1em;text-align:center;font-size:1.4rem;line-height:1;color:var(--color-primary)}
.faq details[open] summary::after{content:"−"}
.faq p{color:var(--color-text-secondary);margin:12px 0 0;max-width:640px}

/* ---------- CTA (lacivert) ---------- */
.cta{position:relative;padding:120px 0;overflow:hidden;isolation:isolate}
.cta::before{content:"";position:absolute;left:50%;top:0;width:1200px;height:700px;transform:translate(-50%,-45%);background:radial-gradient(closest-side,rgba(37,99,235,.2),transparent 70%);z-index:-1}
.cta-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:60px;align-items:center}
.cta h2{font-weight:700;font-size:clamp(2.4rem,4.4vw,3.8rem);line-height:1.08;margin:14px 0 18px}
.cta h2 em{font-style:normal;color:var(--color-primary-on-dark)}
.cta-form{background:var(--color-surface);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-lg)}
.cta-form label{display:block;font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;color:var(--color-text-secondary);margin-bottom:10px;font-weight:600}
.cta-form select{width:100%;appearance:none;background:var(--color-surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23475569' fill='none' stroke-width='1.5'/%3E%3C/svg%3E") no-repeat right 16px center;color:var(--color-text);border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:14px 16px;margin-bottom:14px}
.cta-form select:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-focus)}
.cta-form .b{width:100%}
.cta-form small{display:block;margin-top:14px;color:var(--color-text-muted);font-size:.78rem;line-height:1.6}
.cta-alt{display:flex;gap:10px;margin-top:10px}
.sbt-home .cta-alt a{flex:1;text-align:center;font-size:.86rem}

/* ---------- Footer ---------- */
.site-footer{padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:56px}
.footer-grid p{font-size:.9rem;max-width:340px;margin:16px 0 0;color:var(--color-on-dark-muted)}
.footer-grid h4{margin:0 0 14px}
.footer-grid a{display:block;font-size:.9rem;padding:4px 0}
.footer-grid .brand span{color:#fff;font-family:var(--font-display);font-weight:700}
.footer-big{display:none}
.copy{border-top:1px solid var(--color-navy-line);padding:20px 24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.8rem;color:var(--color-on-dark-muted);max-width:var(--max);margin:0 auto}

/* ---------- Responsive ---------- */
@media(max-width:1100px){
  .pricing{grid-template-columns:repeat(2,1fr)}
  .process{grid-template-columns:repeat(3,1fr)}
  .services{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:900px){
  .hero{padding:72px 0 64px}
  .hero-grid,.sec-head,.promise,.wizard,.faq-grid,.cta-grid{grid-template-columns:1fr;gap:40px}
  .sec-head p{justify-self:start}
  .stack{height:420px}
  .frame.f1{height:280px}.frame.f2{height:230px;top:140px}.frame.f3{height:200px}
  .sectors{grid-template-columns:1fr}
  .sector{min-height:500px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .sec{padding:84px 0}
}
@media(max-width:640px){
  .wrap{padding:0 16px}
  .hero h1{font-size:clamp(2.3rem,10vw,3rem)}
  .hero-proof{gap:26px}
  .hero-proof b{font-size:1.7rem}
  .stack{height:320px}
  .frame.f1{width:88%;height:210px}.frame.f2{width:70%;height:170px;top:105px}.frame.f3{display:none}
  .stack-tag{bottom:4px}
  .pricing,.services,.promise-list{grid-template-columns:1fr}
  .process{grid-template-columns:1fr 1fr}
  .question{flex-direction:column;align-items:flex-start;gap:10px}
  .footer-grid{grid-template-columns:1fr}
  .cta{padding:84px 0}
  .result-package{font-size:2.6rem}
}