:root{
  --navy:#0c2340; --navy-2:#12365f; --navy-3:#0a1c33;
  --blue:#1c6fe0; --blue-d:#1657b3; --blue-l:#e8f1fd; --cyan:#39b6f0;
  --ink:#0f2338; --muted:#5c6b7e; --line:#e3eaf3;
  --bg:#f4f8fd; --white:#fff;
  --wrap:1200px; --r:14px;
  --sh:0 18px 44px -22px rgba(12,35,64,.28);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:'Sora',sans-serif;color:var(--navy);line-height:1.15;letter-spacing:-.01em;font-weight:700}
a{color:inherit;text-decoration:none}
img,iframe{max-width:100%}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.narrow{max-width:820px}
em{font-style:normal}

/* Butonlar */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:'Sora',sans-serif;font-weight:600;font-size:14px;
  padding:12px 24px;border-radius:10px;border:1.5px solid transparent;cursor:pointer;transition:.2s;white-space:nowrap}
.btn.lg{padding:15px 30px;font-size:15px}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 12px 26px -12px rgba(28,111,224,.7)}
.btn-primary:hover{background:var(--blue-d);transform:translateY(-2px)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.section .btn-ghost,.contact .btn-ghost{border-color:var(--navy);color:var(--navy)}
.section .btn-ghost:hover{background:var(--navy);color:#fff}
.btn-wa{background:#25d366;color:#fff}
.btn-wa:hover{background:#1eb457;transform:translateY(-2px)}

/* Üst bar + header */
.topbar{background:var(--navy-3);color:#c8d6e8;font-size:12.5px}
.topbar-in{display:flex;justify-content:space-between;align-items:center;height:38px}
.topbar a{color:#fff;font-weight:600}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-in{display:flex;align-items:center;gap:24px;height:74px}
.brand{display:flex;align-items:center;gap:12px;margin-right:auto}
.brand-mark{width:44px;height:44px;border-radius:11px;background:linear-gradient(135deg,var(--blue),var(--navy));color:#fff;
  display:grid;place-items:center;font-family:'Sora',sans-serif;font-weight:800;font-size:17px;letter-spacing:.5px}
.brand-txt{display:flex;flex-direction:column;line-height:1.1}
.brand-txt strong{font-family:'Sora',sans-serif;font-size:17px;color:var(--navy)}
.brand-txt em{font-size:11.5px;color:var(--muted);letter-spacing:.02em}
.nav{display:flex;gap:28px}
.nav a{font-size:14.5px;font-weight:500;color:#33465c;position:relative;padding:4px 0}
.nav a:hover{color:var(--blue)}
.nav a.active{color:var(--blue)}
.nav a.active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--blue);border-radius:2px}
.header-cta{display:flex;align-items:center;gap:12px}
.burger{display:none;background:none;border:0;font-size:24px;color:var(--navy);cursor:pointer}

/* HERO */
.hero{position:relative;overflow:hidden;background:var(--navy);color:#fff;padding:96px 0 104px}
.hero-bg{position:absolute;inset:0;overflow:hidden}
.hero-bg .blob{position:absolute;border-radius:50%;filter:blur(70px);opacity:.55;mix-blend-mode:screen}
.blob.b1{width:560px;height:560px;background:#1c6fe0;top:-160px;left:-120px;animation:float1 16s ease-in-out infinite}
.blob.b2{width:480px;height:480px;background:#39b6f0;bottom:-200px;right:-80px;animation:float2 20s ease-in-out infinite}
.blob.b3{width:420px;height:420px;background:#2a4d8f;top:40px;right:26%;animation:float3 24s ease-in-out infinite}
@keyframes float1{50%{transform:translate(80px,60px) scale(1.1)}}
@keyframes float2{50%{transform:translate(-70px,-50px) scale(1.15)}}
@keyframes float3{50%{transform:translate(-40px,50px) scale(.9)}}
.hero-in{position:relative;text-align:center;max-width:860px}
.eyebrow{display:inline-block;font-family:'Sora',sans-serif;font-size:12px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--blue)}
.hero .eyebrow{color:#7fc0ff;background:rgba(127,192,255,.12);padding:7px 16px;border-radius:40px;margin-bottom:22px}
.hero h1{color:#fff;font-size:clamp(34px,5.4vw,58px);font-weight:800;margin-bottom:20px}
.hero h1 em{color:#7fc0ff}
.hero .lead{font-size:clamp(16px,2vw,19px);color:#c6d4e6;max-width:640px;margin:0 auto 34px}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:56px}
.hero-trust{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.12);
  border-radius:var(--r);overflow:hidden;max-width:760px;margin:0 auto}
.hero-trust li{background:rgba(255,255,255,.04);padding:22px 18px;text-align:center}
.hero-trust b{display:block;font-family:'Sora',sans-serif;font-size:16px;color:#fff;margin-bottom:4px}
.hero-trust span{font-size:12.5px;color:#a9bdd6}

/* Bölüm iskeleti */
.section{padding:88px 0}
.head{text-align:center;max-width:720px;margin:0 auto 52px}
.head .eyebrow{margin-bottom:14px}
.head h2{font-size:clamp(26px,3.6vw,40px);margin-bottom:14px}
.head p{color:var(--muted);font-size:16px}
.head.light h2,.head.light .eyebrow{color:#fff}
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:1fr 1fr;align-items:center;gap:48px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:28px;box-shadow:0 2px 10px rgba(12,35,64,.03)}

/* Hizmetler */
.svc{transition:.25s}
.svc:hover{transform:translateY(-5px);box-shadow:var(--sh);border-color:#cfe0f5}
.svc .ico{display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:13px;
  background:var(--blue-l);color:var(--blue);margin-bottom:18px;transition:.25s}
.svc .ico svg{width:26px;height:26px}
.svc:hover .ico{background:var(--blue);color:#fff}
.svc h3{font-size:19px;margin-bottom:8px}
.svc p{color:var(--muted);font-size:14.5px}
.svc-cta{background:linear-gradient(150deg,var(--navy),var(--navy-2));color:#fff;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:6px}
.svc-cta h3{color:#fff}.svc-cta p{color:#c6d4e6;margin-bottom:8px}

/* Bantlar */
.band{background:var(--navy);color:#fff}
.band .head{margin-bottom:34px}
.sectors{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.sectors span{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:40px;
  padding:12px 26px;font-family:'Sora',sans-serif;font-weight:500;font-size:15px}

/* Neden biz */
.why h2{font-size:clamp(24px,3vw,34px);margin:14px 0 18px}
.why-text .eyebrow{margin-bottom:6px}
.why-text>p{color:var(--muted);margin-bottom:22px}
.checks{list-style:none;display:flex;flex-direction:column;gap:12px;margin-bottom:28px}
.checks li{position:relative;padding-left:34px;font-size:15px;color:#33465c}
.checks li::before{content:"✓";position:absolute;left:0;top:0;width:23px;height:23px;background:var(--blue-l);color:var(--blue);
  border-radius:6px;display:grid;place-items:center;font-weight:700;font-size:13px}
.why-stats{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.stat{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:26px 22px;box-shadow:0 2px 10px rgba(12,35,64,.03)}
.stat b{display:block;font-family:'Sora',sans-serif;font-size:26px;color:var(--blue);margin-bottom:6px}
.stat span{font-size:13.5px;color:var(--muted)}

/* Hakkımızda */
.about-text .eyebrow{margin-bottom:8px}
.about-text h2{font-size:clamp(24px,3vw,34px);margin:8px 0 18px}
.about-text>p{color:var(--muted);margin-bottom:16px}
.creds{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:26px}
.cred{background:var(--white);border:1px solid var(--line);border-left:3px solid var(--blue);border-radius:10px;padding:15px 18px}
.cred b{display:block;font-family:'Sora',sans-serif;color:var(--navy);font-size:15.5px;margin-bottom:3px}
.cred span{font-size:12.5px;color:var(--muted)}
.timeline{background:linear-gradient(160deg,var(--navy),var(--navy-2));border-radius:16px;padding:34px 34px;color:#fff;box-shadow:var(--sh)}
.timeline h3{font-family:'Sora',sans-serif;font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:#7fc0ff;margin-bottom:26px}
.timeline ul{list-style:none;position:relative;padding-left:26px}
.timeline ul::before{content:"";position:absolute;left:5px;top:6px;bottom:8px;width:2px;background:rgba(127,192,255,.28)}
.timeline li{position:relative;padding-bottom:24px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{content:"";position:absolute;left:-26px;top:4px;width:12px;height:12px;border-radius:50%;background:#7fc0ff;box-shadow:0 0 0 4px rgba(127,192,255,.15)}
.timeline .t-date{display:block;font-family:'Sora',sans-serif;font-size:12px;color:#8fb8e6;margin-bottom:2px}
.timeline li b{font-family:'Sora',sans-serif;font-size:16px;color:#fff}
.timeline li em{display:block;font-size:13px;color:#bcd0ea;margin-top:1px}

/* Hesaplama araçları */
.tools{background:linear-gradient(180deg,#eaf2fc,var(--bg))}
.calc{max-width:840px;margin:0 auto;background:var(--white);border:1px solid var(--line);border-radius:18px;box-shadow:var(--sh);overflow:hidden}
.calc-tabs{display:flex;background:var(--blue-l);border-bottom:1px solid var(--line)}
.calc-tabs button{flex:1;padding:18px 12px;border:0;background:transparent;font-family:'Sora',sans-serif;font-weight:600;font-size:14.5px;color:#44607e;cursor:pointer;transition:.2s}
.calc-tabs button:hover{color:var(--blue)}
.calc-tabs button.active{background:var(--white);color:var(--blue);box-shadow:inset 0 -3px 0 var(--blue)}
.calc-panel{display:none;padding:32px}
.calc-panel.active{display:block}
.calc-form{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:24px}
.calc-form label{display:flex;flex-direction:column;gap:7px;font-family:'Sora',sans-serif;font-weight:500;font-size:13px;color:var(--navy)}
.calc-form input,.calc-form select{font-family:'Inter',sans-serif;font-size:16px;padding:12px 14px;border:1.5px solid var(--line);
  border-radius:10px;background:#fbfdff;color:var(--ink);transition:.2s}
.calc-form input:focus,.calc-form select:focus{outline:0;border-color:var(--blue);background:#fff}
.calc-out{background:linear-gradient(135deg,var(--navy),var(--navy-2));color:#fff;border-radius:12px;padding:24px 26px}
.calc-out .row{display:flex;justify-content:space-between;align-items:center;padding:9px 0;border-bottom:1px solid rgba(255,255,255,.12);font-size:15px}
.calc-out .row:last-child{border:0}
.calc-out .row span{color:#bcd0ea}
.calc-out .row b{font-family:'Sora',sans-serif;font-variant-numeric:tabular-nums}
.calc-out .row.total{margin-top:6px;padding-top:16px}
.calc-out .row.total span{color:#fff;font-weight:600}
.calc-out .row.total b{font-size:24px;color:#7fc0ff}
.calc-note{font-size:12.5px;color:var(--muted);margin-top:16px;line-height:1.55}

/* Müşteri Yorumları */
.reviews{background:linear-gradient(180deg,#eaf2fc,var(--bg))}
.rev-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;max-width:1160px;margin:0 auto}
.rev{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:26px 24px;box-shadow:0 2px 10px rgba(12,35,64,.04);transition:.25s;display:flex;flex-direction:column}
.rev:hover{transform:translateY(-4px);box-shadow:var(--sh)}
.rev-top{display:flex;align-items:center;gap:13px;margin-bottom:15px}
.rev-ava{width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--navy));color:#fff;
  display:grid;place-items:center;font-family:'Sora',sans-serif;font-weight:700;font-size:18px;flex-shrink:0}
.rev-top b{display:block;font-family:'Sora',sans-serif;color:var(--navy);font-size:15.5px;line-height:1.2}
.rev-stars{color:#f5a623;font-size:13px;letter-spacing:1.5px}
.rev p{color:#42546a;font-size:14.5px;line-height:1.62;margin:0}
.rev-cta{text-align:center;margin-top:38px}
@media(max-width:920px){.rev-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.rev-grid{grid-template-columns:1fr}}

/* SSS */
.faq details{background:var(--white);border:1px solid var(--line);border-radius:12px;margin-bottom:12px;overflow:hidden}
.faq summary{list-style:none;cursor:pointer;padding:20px 24px;font-family:'Sora',sans-serif;font-weight:600;font-size:16px;color:var(--navy);
  display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:24px;color:var(--blue);font-weight:400;transition:.2s;flex-shrink:0}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details[open] summary{border-bottom:1px solid var(--line)}
.faq p{padding:18px 24px 22px;color:var(--muted);font-size:15px}

/* İletişim */
.contact-info .eyebrow{color:#7fc0ff;margin-bottom:12px}
.contact-info h2{color:#fff;font-size:clamp(24px,3vw,34px);margin-bottom:14px}
.contact-info>p{color:#c6d4e6;margin-bottom:26px}
.contact-list{list-style:none;display:flex;flex-direction:column;gap:20px;margin-bottom:28px}
.contact-list li{display:flex;flex-direction:column;gap:3px}
.contact-list b{font-family:'Sora',sans-serif;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:#7fc0ff}
.contact-list span,.contact-list a{color:#e3edf9;font-size:15.5px}
.contact-btns{display:flex;gap:12px;flex-wrap:wrap}
.contact-map{border-radius:16px;overflow:hidden;border:1px solid rgba(255,255,255,.18);min-height:380px;box-shadow:var(--sh)}
.contact-map iframe{width:100%;height:100%;min-height:380px;border:0;display:block;filter:grayscale(.15)}

/* Footer */
.footer{background:var(--navy-3);color:#a9bdd6;padding:64px 0 28px}
.footer-in{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1)}
.f-brand{display:flex;flex-direction:column;gap:10px}
.f-brand .brand-mark{width:46px;height:46px}
.f-brand>div{display:flex;flex-direction:column}
.f-brand strong{font-family:'Sora',sans-serif;color:#fff;font-size:17px}
.f-brand em{font-size:12px;color:#8fa6c4}
.f-brand p{font-size:13.5px;line-height:1.6;margin-top:4px}
.f-col h4{font-family:'Sora',sans-serif;color:#fff;font-size:14px;margin-bottom:16px}
.f-col a,.f-col span{display:block;font-size:14px;color:#a9bdd6;margin-bottom:10px}
.f-col a:hover{color:#fff}
.f-adr{line-height:1.5}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:22px;font-size:12.5px;color:#7d92ac;flex-wrap:wrap;gap:8px}

/* WhatsApp float */
.wa-float{position:fixed;right:22px;bottom:22px;z-index:60;width:56px;height:56px;border-radius:50%;background:#25d366;color:#fff;
  display:grid;place-items:center;box-shadow:0 14px 30px -8px rgba(37,211,102,.6);transition:.2s}
.wa-float:hover{transform:scale(1.08)}

/* Responsive */
@media(max-width:920px){
  .nav{position:fixed;inset:112px 0 auto 0;background:#fff;flex-direction:column;gap:0;padding:8px 0;
    border-bottom:1px solid var(--line);box-shadow:var(--sh);transform:translateY(-140%);transition:.3s;z-index:40}
  .nav.open{transform:translateY(0)}
  .nav a{padding:15px 24px;font-size:16px;border-bottom:1px solid var(--line)}
  .burger{display:block}
  .header-cta .btn-primary{display:none}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .why-stats{grid-template-columns:1fr 1fr}
  .footer-in{grid-template-columns:1fr 1fr;gap:28px}
}
@media(max-width:600px){
  .section{padding:60px 0}
  .hero{padding:64px 0 72px}
  .hero-trust{grid-template-columns:1fr}
  .calc-form{grid-template-columns:1fr}
  .calc-tabs button{font-size:12.5px;padding:14px 6px}
  .why-stats{grid-template-columns:1fr}
  .footer-in{grid-template-columns:1fr}
  .topbar-in span{display:none}
  .topbar-in{justify-content:center}
}