:root {
    --blue: #1565C0;
    --blue-dark: #0D47A1;
    --blue-light: #E3F2FD;
    --ink: #0F172A;
    --muted: #64748B;
    --line: #E2E8F0;
    --pool: #0288D1;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    color: var(--ink);
    background: #fff;
    line-height: 1.6;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; }

/* Navbar */
.nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 50;
    background: rgba(255,255,255,.92);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--line);
}
.nav-inner {
    max-width: 1120px; margin: 0 auto; padding: 14px 24px;
    display: flex; align-items: center; justify-content: space-between;
}
.nav-brand { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 700; color: var(--blue); }
.nav-brand .logo {
    width: 38px; height: 38px; border-radius: 10px;
    background: linear-gradient(135deg, var(--blue), #42A5F5);
    display: grid; place-items: center; color: #fff; font-size: 18px;
}
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a.link { color: var(--muted); font-weight: 500; transition: color .2s; }
.nav-links a.link:hover { color: var(--blue); }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.lang-btn {
    padding: 6px 12px; border: 1px solid var(--line); border-radius: 8px;
    font-size: 13px; color: var(--muted); background: #fff; cursor: pointer; transition: all .2s;
}
.lang-btn.active { background: var(--blue); color: #fff; border-color: var(--blue); }
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 18px; border-radius: 10px; font-weight: 600; font-size: 14px;
    transition: all .2s; cursor: pointer; border: none;
}
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-dark); }
.btn-outline { background: transparent; color: var(--blue); border: 1.5px solid var(--blue); }
.btn-outline:hover { background: var(--blue-light); }
.btn-white { background: #fff; color: var(--blue-dark); }
.btn-white:hover { background: var(--blue-light); }

/* Hero */
.hero {
    padding: 140px 24px 90px;
    background: radial-gradient(1100px 520px at 85% -10%, #BBDEFB55, transparent),
                radial-gradient(900px 480px at 0% 0%, #E3F2FD88, transparent),
                linear-gradient(180deg, #F6FAFF, #fff);
    text-align: center;
}
.hero h1 { font-size: clamp(34px, 6vw, 58px); font-weight: 800; letter-spacing: -1px; max-width: 820px; margin: 0 auto 18px; }
.hero h1 .accent { color: var(--blue); }
.hero p.lead { font-size: clamp(16px, 2.4vw, 20px); color: var(--muted); max-width: 640px; margin: 0 auto 30px; }
.hero-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.hero-badge {
    display: inline-block; margin-bottom: 18px; padding: 7px 16px; border-radius: 999px;
    background: var(--blue-light); color: var(--blue-dark); font-size: 13px; font-weight: 600;
}
.hero-stats {
    display: flex; gap: 48px; justify-content: center; margin-top: 56px; flex-wrap: wrap;
}
.hero-stats .stat b { font-size: 30px; color: var(--blue); display: block; }
.hero-stats .stat span { color: var(--muted); font-size: 14px; }

/* Bölümler */
section.block { max-width: 1120px; margin: 0 auto; padding: 80px 24px; }
.sec-title { text-align: center; margin-bottom: 48px; }
.sec-title h2 { font-size: clamp(26px, 4vw, 36px); font-weight: 800; }
.sec-title p { color: var(--muted); max-width: 560px; margin: 10px auto 0; }

/* Hizmetler */
.grid3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.feature-card {
    background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 26px;
    text-align: center;
    transition: transform .2s, box-shadow .2s;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(13,71,161,.08); }
.feature-card .ic {
    width: 50px; height: 50px; border-radius: 12px; margin: 0 auto 16px;
    background: var(--blue-light); color: var(--blue-dark);
    display: grid; place-items: center; font-size: 22px;
}
.feature-card h3 { font-size: 17px; margin-bottom: 8px; }

/* Nasıl? Adımlar */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; counter-reset: step; }
.step { position: relative; background: #F8FAFC; border: 1px solid var(--line); border-radius: 14px; padding: 26px 20px 20px; text-align: center; }
.step::before {
    counter-increment: step; content: counter(step, decimal-leading-zero);
    position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
    background: var(--blue); color: #fff; font-weight: 700; font-size: 14px;
    padding: 3px 10px; border-radius: 8px;
}
.step b { display: block; margin-bottom: 6px; }
.step p { color: var(--muted); font-size: 14px; }

/* CTA */
.cta {
    background: linear-gradient(120deg, var(--blue-dark), var(--blue));
    color: #fff; text-align: center; padding: 80px 24px;
}
.cta h2 { font-size: clamp(24px, 4vw, 34px); margin-bottom: 12px; }
.cta p { opacity: .85; max-width: 520px; margin: 0 auto 28px; }

/* Footer */
footer { background: #0F172A; color: #94A3B8; text-align: center; padding: 34px 24px; font-size: 14px; }
footer .brand { color: #fff; font-weight: 700; }
footer .links { margin: 14px 0; display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; }
footer a:hover { color: #fff; }

/* Hamburger */
.nav-hamburger {
    display: none;
    background: none; border: none; font-size: 22px;
    color: var(--ink); cursor: pointer; padding: 6px 8px;
    -webkit-tap-highlight-color: transparent;
}

@media (max-width: 720px) {
    .nav-hamburger { display: block; }
    .nav-links {
        display: none;
        position: fixed;
        top: 60px; left: 0; right: 0;
        background: #fff;
        border-bottom: 1px solid var(--line);
        box-shadow: 0 8px 24px rgba(0,0,0,0.1);
        flex-direction: column;
        gap: 0;
        padding: 8px 0;
        z-index: 49;
    }
    .nav-links.open { display: flex; }
    .nav-links a.link {
        display: block;
        padding: 12px 24px;
        font-size: 15px;
        border-bottom: 1px solid var(--line);
    }
    .nav-links a.link:last-child { border-bottom: none; }
    .nav-actions {
        display: none;
    }
    .nav-actions.mobile-open {
        display: flex;
        position: fixed;
        top: 60px; left: 0; right: 0;
        background: #fff;
        border-bottom: 1px solid var(--line);
        padding: 12px 24px;
        gap: 10px;
        justify-content: center;
        z-index: 49;
        flex-wrap: wrap;
    }
    .hero { padding-top: 120px; }
}/* V2 contact + WhatsApp */
.contact-section{background:#f6faff;padding:80px 24px;border-top:1px solid var(--line)}
.contact-wrap{max-width:1120px;margin:auto;display:grid;grid-template-columns:.9fr 1.1fr;gap:42px;align-items:start}.contact-copy .hero-badge{margin-left:auto;margin-right:auto;display:table}.contact-copy h2{font-size:34px;margin:10px 0 12px;text-align:center}.contact-copy p{color:var(--muted);max-width:500px;margin-left:auto;margin-right:auto;text-align:center}.contact-info{display:grid;gap:12px;margin-top:24px;justify-items:start}.contact-info div{display:flex;align-items:center;gap:10px}.contact-info i{color:var(--blue)}.contact-card{background:#fff;padding:26px;border:1px solid var(--line);border-radius:16px;box-shadow:0 12px 35px rgba(13,71,161,.06)}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.contact-card input,.contact-card textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font:inherit;outline:none}.contact-card textarea{min-height:130px;resize:vertical;margin:14px 0}.contact-card input:focus,.contact-card textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px #1565c015}.contact-ok,.contact-err{padding:11px 13px;border-radius:9px;margin-bottom:14px}.contact-ok{background:#e8f7ed;color:#176a34}.contact-err{background:#fff0f0;color:#a32222}.whatsapp-float{position:fixed;right:22px;bottom:22px;z-index:80;background:#25d366;color:#fff;border-radius:999px;padding:12px 17px;display:flex;gap:9px;align-items:center;font-weight:700;box-shadow:0 10px 30px #0f513233}.whatsapp-float i{font-size:24px}.whatsapp-float:hover{transform:translateY(-2px)}
@media(max-width:800px){.contact-wrap{grid-template-columns:1fr}.contact-grid{grid-template-columns:1fr}.whatsapp-float span{display:none}.whatsapp-float{padding:14px}}

/* Pools_V3 - Mobile Chrome contact / WhatsApp responsive fix */
@media (max-width: 800px) {
    .contact-section {
        padding: 56px 16px;
        overflow: hidden;
    }
    .contact-wrap {
        width: 100%;
        min-width: 0;
        gap: 26px;
    }
    .contact-copy,
    .contact-card {
        width: 100%;
        min-width: 0;
    }
    .contact-copy h2 {
        font-size: clamp(26px, 8vw, 34px);
        line-height: 1.2;
    }
    .contact-info div {
        min-width: 0;
        align-items: flex-start;
        overflow-wrap: anywhere;
        word-break: break-word;
    }
    .contact-info i {
        flex: 0 0 auto;
        margin-top: 5px;
    }
    .contact-card {
        padding: 20px 16px;
    }
    .contact-card input,
    .contact-card textarea {
        min-width: 0;
        font-size: 16px; /* Chrome/iOS form zoom prevention */
    }
    .contact-card .btn {
        width: 100%;
        justify-content: center;
        min-height: 46px;
    }
    .whatsapp-float {
        right: max(14px, env(safe-area-inset-right));
        bottom: max(14px, env(safe-area-inset-bottom));
        width: 56px;
        height: 56px;
        padding: 0;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0;
        line-height: 1;
        touch-action: manipulation;
        -webkit-tap-highlight-color: transparent;
    }
    .whatsapp-float span {
        display: none;
    }
    .whatsapp-float i {
        font-size: 28px;
        line-height: 1;
    }
}

@media (max-width: 380px) {
    .contact-section { padding-left: 12px; padding-right: 12px; }
    .contact-card { padding: 16px 12px; }
    .whatsapp-float {
        width: 52px;
        height: 52px;
        right: max(12px, env(safe-area-inset-right));
        bottom: max(12px, env(safe-area-inset-bottom));
    }
}

/* ===== KUZHAN BILISIM BRAND ===== */
.kuzhan-icon{
    width:42px;
    height:42px;
    min-width:42px;
    border-radius:10px;
    background:linear-gradient(135deg,#00b4db,#0077b6);
    display:flex;
    align-items:center;
    justify-content:center;
    box-shadow:0 3px 10px rgba(0,0,0,.20);
}

.kuzhan-icon span{
    color:#fff;
    font-size:17px;
    font-weight:800;
    font-family:Arial,sans-serif;
    letter-spacing:-1px;
    line-height:1;
}

.kuzhan-brand{
    display:flex;
    align-items:center;
    justify-content:center;
    gap:10px;
    width:100%;
}

.kuzhan-brand-text{
    display:flex;
    flex-direction:column;
    justify-content:center;
    line-height:1.15;
    white-space:nowrap;
}

.kuzhan-brand-name{
    color:#ffffff;
    font-size:14px;
    font-weight:600;
}

.kuzhan-brand-subtitle{
    color:#aebdca;
    font-size:11px;
    font-weight:400;
    margin-top:4px;
}

.nav-brand .kuzhan-brand{ width:auto; justify-content:flex-start; gap:10px; }
.nav-brand .kuzhan-brand-name{ color:var(--blue); font-size:16px; }
.nav-brand .kuzhan-brand-subtitle{ color:var(--muted); margin-top:2px; }
.nav-brand .kuzhan-icon{ width:38px; height:38px; min-width:38px; }

@media (max-width:768px){
    .kuzhan-brand{
        gap:8px;
    }

    .kuzhan-icon{
        width:38px;
        height:38px;
        min-width:38px;
    }

    .kuzhan-brand-name{
        font-size:13px;
    }

    .kuzhan-brand-subtitle{
        font-size:10px;
    }
}