/* Öztaylan Dijital Ajans – ortak tasarım (renkler logodan) */
:root{
  --bg:#111827; --side:#0D1422; --card:#1F2937; --card2:#243042; --line:#2E3A4E;
  --turq:#22D3EE; --purple:#7C3AED; --lilac:#A78BFA; --pink:#C084FC;
  --text:#FFFFFF; --muted:#9CA3AF; --soft:#D1D5DB; --wa:#25D366;
  --radius:16px; --side-w:264px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
svg{flex:none}

/* ---------- Sol menü ---------- */
.side{position:fixed;inset:0 auto 0 0;width:var(--side-w);background:var(--side);border-right:1px solid var(--line);display:flex;flex-direction:column;padding:26px 18px;z-index:40;overflow-y:auto}
.brand{display:flex;align-items:center;gap:12px;padding:0 8px 26px;border-bottom:1px solid var(--line);margin-bottom:18px}
.brand-name{font-weight:800;letter-spacing:3px;font-size:17px;line-height:1}
.brand-sub{display:block;color:var(--turq);font-size:9.5px;letter-spacing:3px;font-weight:600;margin-top:5px}
.nav-label{font-size:11px;letter-spacing:2px;color:#6B7280;padding:14px 12px 6px;text-transform:uppercase}
.nav a{display:flex;align-items:center;gap:12px;padding:11px 12px;border-radius:12px;color:var(--soft);font-size:15px;font-weight:500;transition:background .15s,color .15s}
.nav a svg{width:20px;height:20px;color:var(--c,#9CA3AF)}
.nav a:hover{background:rgba(255,255,255,.04);color:#fff}
.nav a.active{background:linear-gradient(90deg,color-mix(in srgb,var(--c,var(--turq)) 22%,transparent),transparent);color:#fff;box-shadow:inset 3px 0 0 var(--c,var(--turq))}
.side-foot{margin-top:auto;padding-top:20px}
.side-foot .btn{width:100%;justify-content:center}
.side-foot small{display:block;text-align:center;color:#6B7280;font-size:12px;margin-top:10px}

/* Telefonda üst çubuk + açılır menü */
.topbar{display:none}
@media (max-width:960px){
  .side{transform:translateX(-100%);transition:transform .25s;box-shadow:20px 0 40px rgba(0,0,0,.5)}
  body.menu-open .side{transform:none}
  .topbar{display:flex;position:sticky;top:0;z-index:30;align-items:center;justify-content:space-between;height:64px;padding:0 16px;background:rgba(13,20,34,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
  .burger{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);display:grid;place-items:center;background:transparent;color:#fff;cursor:pointer}
  .burger svg{width:22px;height:22px}
  .scrim{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:35}
  body.menu-open .scrim{display:block}
}

/* ---------- İçerik ---------- */
.main{margin-left:var(--side-w);min-height:100vh}
@media (max-width:960px){.main{margin-left:0}}
.wrap{max-width:1040px;margin:0 auto;padding:0 32px}
@media (max-width:600px){.wrap{padding:0 18px}}
section{padding:80px 0}
.eyebrow{color:var(--turq);font-size:12.5px;letter-spacing:4px;font-weight:600;text-transform:uppercase}
h1{font-size:clamp(34px,5.4vw,58px);line-height:1.08;letter-spacing:-1px;margin:14px 0 18px}
h2{font-size:clamp(26px,3.6vw,38px);line-height:1.2;margin:10px 0 14px}
h3{font-size:19px;margin-bottom:8px}
.lead{color:var(--muted);font-size:18px;max-width:660px}
.grad{background:linear-gradient(90deg,var(--turq),var(--lilac));-webkit-background-clip:text;background-clip:text;color:transparent}
.muted{color:var(--muted)}

.btn{display:inline-flex;align-items:center;gap:10px;padding:13px 22px;border-radius:12px;font-weight:600;font-size:15.5px;transition:transform .15s,box-shadow .15s,border-color .15s;cursor:pointer;border:0}
.btn:hover{transform:translateY(-2px)}
.btn svg{width:19px;height:19px}
.btn-primary{background:var(--turq);color:#0B1220}
.btn-primary:hover{box-shadow:0 8px 24px rgba(34,211,238,.35)}
.btn-ghost{border:1px solid var(--line);color:#fff;background:transparent}
.btn-ghost:hover{border-color:var(--lilac)}
.btn-wa{background:var(--wa);color:#06321A}
.cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}

/* Giriş alanı */
.hero{position:relative;overflow:hidden;padding:96px 0 80px}
.hero::before{content:"";position:absolute;right:-160px;top:-140px;width:560px;height:560px;border-radius:50%;background:radial-gradient(circle,rgba(124,58,237,.33),transparent 65%);pointer-events:none}
.hero::after{content:"";position:absolute;left:-220px;bottom:-240px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(34,211,238,.16),transparent 65%);pointer-events:none}
.hero .wrap{position:relative}
.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:40px;align-items:center}
@media (max-width:860px){.hero-grid{grid-template-columns:1fr}.hero-art{display:none}}
.hero-art{display:flex;justify-content:center}
.hero-art svg{width:min(300px,90%);filter:drop-shadow(0 30px 60px rgba(124,58,237,.35))}
.float{animation:float 6s ease-in-out infinite}.float.l2{animation-delay:-2s}.float.l3{animation-delay:-4s}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}

/* Kayan slogan şeridi */
.marquee{border-block:1px solid var(--line);overflow:hidden;white-space:nowrap;background:rgba(31,41,55,.35)}
.marquee-track{display:inline-flex;gap:46px;padding:18px 0;animation:scroll 32s linear infinite;font-weight:700;font-size:18px;color:var(--soft)}
.marquee-track span{display:inline-flex;align-items:center;gap:46px}
.marquee-track span::after{content:"◆";color:var(--lilac);font-size:12px}
@keyframes scroll{to{transform:translateX(-50%)}}

/* Kartlar */
.grid{display:grid;gap:20px;margin-top:40px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media (max-width:1100px){.g4{grid-template-columns:repeat(2,1fr)}}
@media (max-width:860px){.g3{grid-template-columns:1fr}}
@media (max-width:640px){.g2,.g4{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;transition:transform .2s,border-color .2s}
.card:hover{border-color:var(--c,var(--line))}
.card p{color:var(--muted);font-size:15px}
.ico{width:50px;height:50px;border-radius:14px;display:grid;place-items:center;background:color-mix(in srgb,var(--c,var(--turq)) 18%,transparent);color:var(--c,var(--turq));margin-bottom:16px}
.ico svg{width:25px;height:25px}

/* Ana sayfadaki büyük hizmet kartları */
.svc-link{display:flex;flex-direction:column;min-height:100%}
.svc-link:hover{transform:translateY(-4px)}
.card.svc-link .slogan{font-size:21px;font-weight:700;line-height:1.3;margin:4px 0 10px;color:#fff}
.svc-link .go{margin-top:auto;padding-top:18px;color:var(--c);font-weight:600;font-size:14.5px;display:inline-flex;align-items:center;gap:8px}

/* Rakamlar / vaatler */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:40px}
.stat{padding:22px;border-radius:var(--radius);background:var(--card);border:1px solid var(--line);text-align:center}
.stat b{display:block;font-size:30px;line-height:1.1;background:linear-gradient(90deg,var(--turq),var(--lilac));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{color:var(--muted);font-size:14px}
@media (max-width:860px){.stats{grid-template-columns:repeat(2,1fr)}}

/* Hizmet sayfası başlığı */
.page-hero{padding:72px 0 56px;position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.page-hero::before{content:"";position:absolute;right:-160px;top:-180px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,color-mix(in srgb,var(--c) 35%,transparent),transparent 65%);pointer-events:none}
.page-hero .wrap{position:relative}
.crumb{font-size:13px;color:#6B7280;margin-bottom:10px}
.crumb a:hover{color:#fff}
.page-hero .badge{display:inline-flex;align-items:center;gap:10px;padding:7px 14px;border-radius:999px;background:color-mix(in srgb,var(--c) 16%,transparent);color:var(--c);font-weight:600;font-size:13px}
.page-hero .badge svg{width:18px;height:18px}

/* Küçük etiketler */
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.chip{font-size:12.5px;font-weight:600;padding:5px 12px;border-radius:999px;background:color-mix(in srgb,var(--c,var(--turq)) 16%,transparent);color:var(--c,var(--turq))}

/* Liste */
.check{list-style:none;display:grid;gap:10px;margin-top:14px}
.check li{position:relative;padding-left:28px;color:var(--soft);font-size:15.5px}
.check li::before{content:"";position:absolute;left:2px;top:8px;width:14px;height:8px;border-left:2.5px solid var(--c,var(--turq));border-bottom:2.5px solid var(--c,var(--turq));transform:rotate(-45deg)}

/* İki sütun anlatım */
.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
@media (max-width:860px){.split{grid-template-columns:1fr}}
.panel{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:28px}

/* Süreç adımları */
.steps{counter-reset:s}
.step{position:relative}
.step::before{counter-increment:s;content:"0" counter(s);font-size:32px;font-weight:800;color:transparent;-webkit-text-stroke:1px var(--c,var(--lilac));display:block;margin-bottom:6px}

/* SSS */
.faq{margin-top:34px;display:grid;gap:12px}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 22px}
.faq details[open]{border-color:var(--c,var(--turq))}
.faq summary{cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--c,var(--turq));font-size:22px;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq p{color:var(--muted);margin-top:10px;font-size:15px}

/* Kapanış çağrısı */
.cta-box{background:linear-gradient(135deg,rgba(124,58,237,.28),rgba(34,211,238,.12));border:1px solid var(--line);border-radius:24px;padding:46px;text-align:center}
.cta-box .cta{justify-content:center}
@media (max-width:600px){.cta-box{padding:30px 20px}}

/* Cihaz çerçevesi */
.tv{border:10px solid #0A0F1A;border-bottom-width:16px;border-radius:12px;box-shadow:0 18px 40px rgba(0,0,0,.5);background:#000}
.tv img{border-radius:3px}

footer{border-top:1px solid var(--line);padding:28px 0;color:#6B7280;font-size:14px}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

/* Sabit WhatsApp destek düğmesi */
.wa-float{position:fixed;right:22px;bottom:22px;z-index:60;width:60px;height:60px;border-radius:50%;background:var(--wa);display:grid;place-items:center;box-shadow:0 10px 30px rgba(37,211,102,.45);transition:transform .15s}
.wa-float:hover{transform:scale(1.08)}
.wa-float svg{width:32px;height:32px;color:#fff}
.wa-float::after{content:"WhatsApp Destek";position:absolute;right:72px;background:#fff;color:#111827;font-size:13px;font-weight:600;padding:6px 10px;border-radius:8px;white-space:nowrap;opacity:0;transform:translateX(6px);transition:.2s;pointer-events:none}
.wa-float:hover::after{opacity:1;transform:none}