/* --- DEĞİŞKENLER VE TEMEL AYARLAR --- */
:root {
    --navy: #000022;
    --blue: #00509d;
    --accent: #25D366;
    --white: #ffffff;
    --gray: #f4f7f6;
    --dark-bg: #000814;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Montserrat', sans-serif; line-height: 1.6; color: #333; overflow-x: hidden; background: var(--white); }

/* --- LAYOUT --- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.container.narrow { max-width: 900px; }
section { scroll-margin-top: 80px; padding: 80px 0; }

/* --- NAVBAR --- */
.navbar { background: var(--navy); padding: 15px 0; position: sticky; top: 0; z-index: 1000; border-bottom: 1px solid rgba(255,255,255,0.1); }
.navbar .container { display: flex; justify-content: space-between; align-items: center; }
.nav-links { display: flex; list-style: none; align-items: center; }
.nav-links a { color: #fff; text-decoration: none; margin-left: 25px; font-weight: 600; font-size: 0.85rem; transition: 0.3s; opacity: 0.8; }
.nav-links a:hover { opacity: 1; color: var(--blue); }
.nav-contact { border: 1px solid var(--blue); padding: 8px 18px; border-radius: 4px; }
.menu-toggle { display: none; color: #fff; font-size: 1.5rem; cursor: pointer; }

/* --- HERO (BANNER ALANI) --- */
.hero { 
    height: 90vh; 
    display: flex; 
    align-items: center; 
    position: relative; 
    background: var(--dark-bg) url('img/banner.png') no-repeat center center; 
    background-size: cover; 
    color: #fff; 
    overflow: hidden; 
}

.hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(to right, rgba(0, 8, 20, 0.9) 0%, rgba(0, 29, 61, 0.4) 100%);
    z-index: 1;
}

.hero .container { position: relative; z-index: 2; }
.hero-box { max-width: 750px; }
.hero h1 { font-size: 4rem; line-height: 1.1; font-weight: 900; margin-bottom: 20px; }
.hero h1 span { color: var(--blue); text-shadow: 0 0 20px rgba(0,80,157,0.4); }
.hero p { font-size: 1.2rem; opacity: 0.9; margin-bottom: 35px; font-weight: 300; }
.badge { background: var(--blue); padding: 6px 15px; border-radius: 4px; font-size: 0.7rem; font-weight: 800; margin-bottom: 20px; display: inline-block; }

/* --- BUTONLAR --- */
.hero-btns { display: flex; gap: 15px; flex-wrap: wrap; }
.btn-primary { background: var(--blue); color: #fff; padding: 18px 35px; text-decoration: none; font-weight: 700; border-radius: 4px; transition: 0.3s; box-shadow: 0 10px 20px rgba(0,0,0,0.2); }
.btn-primary:hover { transform: translateY(-3px); background: #004080; }
.btn-wa { border: 2px solid var(--accent); color: var(--accent); padding: 16px 30px; text-decoration: none; display: inline-flex; align-items: center; gap: 10px; font-weight: 700; border-radius: 4px; transition: 0.3s; }
.btn-wa:hover { background: var(--accent); color: #fff; }

/* --- ABOUT & VIDEO --- */
.about { background: var(--white); }
.about-flex { display: flex; align-items: center; gap: 60px; }
.about-text { flex: 1; }
.video-column { flex: 1; }
.title { font-size: 3rem; font-weight: 900; color: var(--navy); margin-bottom: 25px; line-height: 1.1; }
.check-item { display: flex; align-items: center; gap: 12px; margin-bottom: 15px; font-weight: 600; color: #555; }
.check-item i { color: var(--blue); font-size: 1.2rem; }

/* --- VIDEO CARD --- */
.video-card-v3 { background: #fff; padding: 10px; border-radius: 20px; box-shadow: 0 30px 60px rgba(0,0,0,0.12); position: relative; }
.video-badge { position: absolute; top: 20px; left: 20px; z-index: 10; background: rgba(0,0,0,0.7); color: #fff; padding: 5px 12px; border-radius: 20px; font-size: 0.65rem; font-weight: 700; display: flex; align-items: center; gap: 8px; }
.dot { width: 8px; height: 8px; background: #ff4d4d; border-radius: 50%; animation: pulse 1.5s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }
.video-container-inner { border-radius: 15px; overflow: hidden; background: #000; }
.custom-video { width: 100%; display: block; filter: brightness(0.9); }
.video-info-strip { padding: 15px 5px 5px; display: flex; justify-content: space-between; font-size: 0.8rem; font-weight: 600; color: var(--navy); }

/* --- TABLE --- */
.comparison { background: var(--gray); }
.table-wrapper { margin-top: 50px; background: #fff; border-radius: 15px; overflow-x: auto; box-shadow: 0 15px 40px rgba(0,0,0,0.05); }
table { width: 100%; border-collapse: collapse; min-width: 600px; }
th, td { padding: 20px; text-align: left; border-bottom: 1px solid #eee; }
th { background: var(--navy); color: #fff; text-transform: uppercase; font-size: 0.75rem; letter-spacing: 1px; }
tr td:last-child { color: var(--blue); font-weight: 800; background: rgba(0,80,157,0.02); }

/* --- SPLIT SYSTEM --- */
.split-system { display: flex; min-height: 650px; }
.side { flex: 1; display: flex; align-items: center; justify-content: center; position: relative; transition: 0.5s; overflow: hidden; padding: 40px; }
.side-black { background: #000814; color: #fff; }
.side-stainless { background: #001d3d; color: #fff; border-left: 1px solid rgba(255,255,255,0.1); }
.side-inner { text-align: center; z-index: 2; }
.side h3 { font-size: 2.5rem; margin: 10px 0; font-weight: 900; }
.side-img img { width: 100%; max-width: 320px; margin: 20px 0; border-radius: 10px; transition: 0.5s; }
.side:hover img { transform: scale(1.05); }
.product-features { list-style: none; margin-bottom: 30px; text-align: left; display: inline-block; }
.product-features li { margin-bottom: 8px; font-size: 0.9rem; opacity: 0.8; display: flex; align-items: center; }
.cta-wa { background: var(--accent); color: #fff; padding: 12px 30px; border-radius: 5px; text-decoration: none; font-weight: 700; display: inline-flex; align-items: center; gap: 10px; transition: 0.3s; }
.cta-wa:hover { background: #1eb956; transform: scale(1.05); }

/* --- FOOTER --- */
.site-footer { padding: 60px 0 30px; background: var(--white); border-top: 1px solid #eee; }
.footer-wrap { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 40px; gap: 30px; }
.footer-brand h2 { font-weight: 900; color: var(--navy); margin-bottom: 5px; }
.footer-links a { display: block; color: #666; text-decoration: none; margin-bottom: 10px; font-weight: 600; font-size: 0.9rem; }
.footer-bottom { text-align: center; font-size: 0.8rem; color: #999; border-top: 1px solid #eee; padding-top: 30px; }

/* --- RESPONSIVE (MOBİL UYUMLULUK) --- */

@media (max-width: 992px) {
    .menu-toggle { display: block; }
    .nav-links { 
        display: none; 
        flex-direction: column; 
        position: absolute; 
        top: 100%; left: 0; width: 100%; 
        background: var(--navy); 
        padding: 30px; 
        border-top: 1px solid rgba(255,255,255,0.1);
    }
    .nav-links.active { display: flex; }
    .nav-links a { margin: 15px 0; font-size: 1rem; }
    
    .hero h1 { font-size: 2.8rem; }
    .about-flex { flex-direction: column; text-align: center; }
    .title { font-size: 2.2rem; }
    .check-list { text-align: left; display: inline-block; }
    
    .split-system { flex-direction: column; }
    .side { min-height: 500px; }
}

@media (max-width: 768px) {
    .hero { height: auto; padding: 100px 0; }
    .hero h1 { font-size: 2.2rem; }
    .hero-btns { flex-direction: column; }
    .btn-wa { margin-left: 0; width: 100%; justify-content: center; }
    .btn-primary { width: 100%; text-align: center; }
    
    .footer-wrap { flex-direction: column; text-align: center; }
    .footer-brand, .footer-links { width: 100%; }
}








.about-flex{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:80px;
    flex-wrap:wrap;
}

.about-text{
    flex:1;
    min-width:320px;
}

.video-column{
    flex:0 0 420px;
}

.video-card-v3{
    background:#fff;
    border-radius:18px;
    overflow:hidden;
    box-shadow:0 10px 35px rgba(0,0,0,0.08);
}

.video-badge{
    padding:14px 18px;
    font-size:13px;
    font-weight:700;
    letter-spacing:.5px;
    background:#111;
    color:#fff;
}

.video-container-inner{
    padding:15px;
}

.custom-video{
    width:550px;
    height:350px; /* Eskiden büyüktü, küçülttük */
    object-fit:cover;
    border-radius:14px;
    background:#000;
}

.video-info-strip{
    padding:14px 18px;
    display:flex;
    justify-content:space-between;
    font-size:14px;
    background:#f8f8f8;
}

.dot{
    width:8px;
    height:8px;
    background:#1dd15d;
    display:inline-block;
    border-radius:50%;
    margin-right:8px;
}

/* Mobil */
@media(max-width:768px){

    .video-column{
        flex:100%;
    }

    .custom-video{
        height:220px;
    }

    .about-flex{
        gap:30px;
    }
}