:root{
  --bg:#f7fbff;
  --ink:#0d2636;
  --muted:#537589;
  --primary:#1e88e5; /* mavi */
  --primary-600:#1565c0;
  --green:#2e7d5b;   /* yeşil */
  --accent:#16a085;
  --card:#ffffff;
  --ring:rgba(30,136,229,.18);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:'Inter',system-ui,Segoe UI,Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg)}
.container{max-width:1180px;margin:0 auto;padding:0 20px}
a{color:var(--primary);text-decoration:none}
a.link{text-decoration:underline}

/* Topbar */
.topbar{background:#0b2432;color:#cfe8ff;border-bottom:1px solid #0e3247}
.topbar-inner{display:flex;gap:14px;align-items:center;justify-content:space-between;min-height:40px}
.marquee{white-space:nowrap;overflow:hidden;mask-image:linear-gradient(90deg,transparent,black 10%,black 90%,transparent)}
.marquee span{display:inline-block;padding-left:100%;animation:marq 16s linear infinite}
@keyframes marq{to{transform:translateX(-100%)}}
.chip{display:inline-flex;align-items:center;gap:8px;padding:6px 10px;border-radius:999px;border:1px solid #2c5773;color:#d7ecff}
.chip.primary{background:var(--primary);border-color:var(--primary);color:#fff}

/* Header */
.site-header{position:sticky;top:0;z-index:6;background:#fff;border-bottom:1px solid #e6eef6}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--ink)}
.brand img{height:36px;width:36px;border-radius:50%}
.nav nav a{margin:0 10px}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 18px;border-radius:14px;border:1px solid transparent;font-weight:600;cursor:pointer}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.btn-primary:hover{background:var(--primary-600)}
.btn-outline{border-color:var(--primary);color:var(--primary);background:transparent}
.btn-outline:hover{background:var(--ring)}
.btn-ghost{background:transparent;border-color:#d3e4f4;color:var(--ink)}

/* Hero and big slider */
.hero{padding:56px 0 20px;background:linear-gradient(180deg,#e8f2ff 0%,#f7fbff 100%)}
.hero-inner{display:grid;grid-template-columns:1.05fr 1fr;gap:36px;align-items:center}
.hero-copy h1{font-size:44px;margin:0 0 12px}
.hero-copy .accent{color:var(--green)}
.cta-row{display:flex;gap:12px;margin:16px 0 8px}
.social-hero{display:flex;gap:10px;margin-top:10px}
.social-btn{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border-radius:12px;border:1px solid #d3e4f4;background:#fff}
.social-btn.big{padding:12px 16px;font-weight:600}

/* Phone mockup */
.hero-slider{position:relative}
.slides{position:relative;height:520px}
.phone{position:absolute;right:0;left:0;margin:auto;top:0;bottom:0;height:480px;width:240px;background:#111;border-radius:36px;padding:14px 10px;box-shadow:0 30px 80px rgba(0,0,0,.25)}
.notch{height:24px;width:120px;background:#111;border-bottom-left-radius:16px;border-bottom-right-radius:16px;position:absolute;left:50%;transform:translateX(-50%);top:8px;box-shadow:inset 0 -1px 0 rgba(255,255,255,.06)}
.screen{position:absolute;inset:14px;background:#f7fbff;border-radius:28px;padding:14px;overflow:hidden}
.app-header{display:flex;align-items:center;gap:8px;background:#ffffff;border:1px solid #e6eef6;padding:8px;border-radius:12px}
.app-header img{height:18px;width:18px;border-radius:4px}
.screen h3{margin:12px 0 10px}
.fake-form .row{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid #d9e6f2;border-radius:10px;padding:10px 12px;margin:8px 0}
.fake-btn{margin-top:6px;display:inline-flex;align-items:center;gap:6px;border:none;background:var(--primary);color:#fff;border-radius:10px;padding:10px 12px}
.role-list{list-style:none;padding:0;margin:8px 0}
.role-list li{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid #d9e6f2;border-radius:10px;padding:10px 12px;margin:8px 0}
.tiles{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.tile{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;background:#fff;border:1px solid #d9e6f2;border-radius:12px;padding:12px}
.tile i{font-size:24px;color:var(--green)}

.slide{position:absolute;inset:0;opacity:0;transform:translateX(12%);transition:all .6s ease}
.slide.active{opacity:1;transform:none}
.slide-text{position:absolute;left:-20px;bottom:10px;background:#ffffffcc;border:1px solid #e6eef6;border-radius:14px;padding:12px 16px;backdrop-filter:blur(8px);max-width:320px;box-shadow:0 8px 24px rgba(0,0,0,.08)}
.slide-text h3{margin:0 0 6px}

/* Slider controls */
.slider-controls{display:flex;align-items:center;gap:12px;justify-content:center;margin-top:12px}
.nav{border:none;background:#fff;border:1px solid #e1eef7;height:40px;width:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;cursor:pointer}
.nav:hover{box-shadow:0 0 0 6px var(--ring)}
.slider-dots{display:flex;gap:8px;align-items:center}
.slider-dots .dot{height:10px;width:10px;border-radius:999px;border:none;background:#c5d9ea;cursor:pointer}
.slider-dots .dot.active{background:var(--primary)}

/* Sections */
.features{padding:40px 0}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.feature{background:#fff;border:1px solid #e6eef6;border-radius:18px;padding:22px;box-shadow:0 6px 20px rgba(0,0,0,.04)}
.feature i{font-size:28px;color:var(--green)}
.about{padding:50px 0;background:#fff}
.two-col{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:start}
.about-card{background:#f1fbf6;border:1px solid #ddefe5;border-radius:18px;padding:20px}
.icon-row{display:flex;align-items:center;gap:10px;margin-bottom:8px;color:var(--green);font-weight:700}
.about-pitch{margin:6px 0 12px}
.checklist{padding-left:18px}
.checklist li{margin:6px 0}
.bullets{padding-left:18px}
.pricing{padding:50px 0;background:linear-gradient(180deg,#eef7ff 0,#ffffff 100%)}
.price-cards{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.p-card{background:#fff;border:1px solid #e6eef6;border-radius:18px;padding:24px;position:relative}
.p-card.highlight{outline:3px solid var(--ring)}
.ribbon{position:absolute;top:14px;right:-10px;background:var(--green);color:#fff;padding:6px 12px;border-radius:10px 0 0 10px;font-size:12px}
.price{font-size:40px;margin:8px 0}
.muted{color:var(--muted)}
.small{font-size:12px}
.form-section{padding:50px 0;background:#fff}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-grid label{display:flex;flex-direction:column;font-weight:600;font-size:14px;gap:6px}
.form-grid input,.form-grid textarea{padding:12px 14px;border:1px solid #cfe0ec;border-radius:12px;background:#fff;outline:none}
.form-grid input:focus,.form-grid textarea:focus{border-color:var(--primary);box-shadow:0 0 0 4px var(--ring)}
.form-grid .full{grid-column:1 / -1}
.kvkk{display:flex;align-items:center;gap:10px}
.contact-card{background:#f8fbff;border:1px solid #e6eef6;border-radius:18px;padding:20px;box-shadow:0 6px 20px rgba(0,0,0,.04)}
.social{display:flex;gap:10px;margin-top:6px}
.social.prominent .social-btn{border:2px solid #bfe0ff}
.faq{padding:50px 0}
.faq details{background:#fff;border:1px solid #e6eef6;border-radius:14px;padding:12px 16px;margin:10px 0}

/* Modal (KVKK popup) */
.modal{position:fixed;inset:0;display:none}
.modal.show{display:block}
.modal-backdrop{position:absolute;inset:0;background:rgba(0,0,0,.45)}
.modal-dialog{position:relative;z-index:1;max-width:720px;margin:60px auto;background:#fff;border-radius:16px;border:1px solid #e6eef6;padding:18px 20px;box-shadow:0 30px 80px rgba(0,0,0,.3)}
.modal-close{position:absolute;right:10px;top:10px;border:none;background:#fff;border:1px solid #e6eef6;height:34px;width:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;cursor:pointer}
.modal-actions{display:flex;align-items:center;justify-content:space-between;margin-top:12px}
.kvkk-inline{display:flex;align-items:center;gap:10px}

/* Footer */
.site-footer{background:#0b2432;color:#e8f1f7;padding:30px 0;margin-top:30px}
.site-footer a{color:#bfe0ff}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:20px}
.footer-logo{height:40px;width:40px;border-radius:50%;display:block;margin-bottom:10px}

/* Responsive */
@media (max-width: 1120px){
  .hero-inner{grid-template-columns:1fr}
  .slide-text{position:static;margin-top:8px}
}
@media (max-width: 840px){
  .grid-4,.price-cards,.footer-grid,.form-grid{grid-template-columns:1fr}
  .slides{height:520px}
}

/* --- Nav alignment fix & header socials --- */
.main-nav{display:flex;align-items:center;gap:16px}
.nav-links{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.nav-socials{display:flex;align-items:center;gap:10px;margin-left:8px}
.nav-socials a{display:inline-flex;align-items:center;justify-content:center;height:34px;width:34px;border:1px solid #d3e4f4;border-radius:10px}
.nav-socials a:hover{box-shadow:0 0 0 6px var(--ring)}
@media (max-width: 720px){
  .main-nav{flex-wrap:wrap;gap:10px}
  .nav-socials{margin-left:0}
}

/* WhatsApp automation section */
.whatsapp{padding:46px 0;background:#f9fffb}
.wh-card{background:#ffffff;border:1px solid #ddefe5;border-radius:16px;padding:18px;box-shadow:0 6px 20px rgba(0,0,0,.04)}
.wh-card i{font-size:36px;color:#25d366}
.wh-copy p{margin:.4rem 0}

/* --- NAV FIX: hizalama + tutarlılık --- */
.nav .main-nav a { margin: 0 !important; } /* önceki margin kuralını sıfırla */
.brand{ flex-shrink: 0; }
.main-nav{
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 14px;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap: nowrap;
}
.nav-links a{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:38px;
  padding:0 12px;
  border-radius:10px;
  font-weight:600;
  color:var(--ink);
}
.nav-links a:hover{ background:var(--ring); }
.nav-links a.is-active{ background:var(--ring); color:var(--primary); }
.nav-links .btn{
  height:38px;
  padding:0 14px;
  line-height:1;
}
.nav-socials{
  display:flex;
  align-items:center;
  gap:10px;
  margin-left: 8px;
}
@media (max-width: 900px){
  .nav-links{ flex-wrap: wrap; }
}

/* --- Smooth scroll + sticky offset + header shadow --- */
html{scroll-behavior:smooth}
section{scroll-margin-top:78px}
.scrolled .site-header{box-shadow:0 6px 24px rgba(13,38,54,.06)}

/* Form error stilleri */
.err{display:none;color:#c62828;font-size:12px;margin-top:4px}
.err.show{display:inline}
.form-grid input.invalid,.form-grid textarea.invalid{
  border-color:#ef5350;
  box-shadow:0 0 0 4px rgba(239,83,80,.15)
}