:root {
    --bg-dark: #050507;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.06);
    --border-color: rgba(255, 255, 255, 0.08);
    
    
    --primary: #6366f1; /* Indigo */
    --accent: #8b5cf6; /* Parlak Mor */
    --text-main: #ffffff;
    --text-muted: #94a3b8;
    --gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
}

* { box-sizing: border-box; }

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
    margin: 0;
    overflow-x: hidden;
    line-height: 1.6;
}


.ambient-light {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background: 
        radial-gradient(circle at 15% 50%, rgba(99, 102, 241, 0.08), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(168, 85, 247, 0.08), transparent 25%);
    pointer-events: none; z-index: -1;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }


.site-header {
    position: fixed; top: 0; width: 100%; z-index: 100;
    background: rgba(5, 5, 7, 0.85);
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.header-bar { display: flex; justify-content: space-between; align-items: center; height: 90px; }

.logo {
    font-family: var(--font-heading); font-weight: 700; font-size: 1.5rem;
    text-decoration: none; color: white; display: flex; align-items: center; gap: 12px;
}

.logo-img { height: 50px; width: auto; object-fit: contain; }

.site-nav { display: flex; gap: 32px; }
.site-nav a {
    text-decoration: none; color: var(--text-muted); font-weight: 500;
    font-size: 0.95rem; transition: color 0.3s;
}
.site-nav a:hover { color: white; }

.nav-actions { display: flex; align-items: center; gap: 16px; }


.lang-switch {
    display: flex; background: rgba(255,255,255,0.05);
    border-radius: 20px; padding: 4px; border: 1px solid var(--border-color);
}
.lang-btn {
    background: none; border: none; color: var(--text-muted);
    font-size: 0.8rem; font-weight: 600; padding: 6px 12px;
    border-radius: 16px; cursor: pointer; transition: all 0.3s ease;
}
.lang-btn:hover { color: white; }
.lang-btn.active { background: var(--bg-dark); color: white; box-shadow: 0 2px 10px rgba(0,0,0,0.2); }


.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 24px; border-radius: 50px; text-decoration: none;
    font-weight: 600; font-size: 0.95rem; transition: all 0.3s ease;
    cursor: pointer; border: none;
}
.btn-primary {
    background: var(--gradient); color: white;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(99, 102, 241, 0.6); }
.btn-glass {
    background: rgba(255, 255, 255, 0.05); color: white; border: 1px solid var(--border-color);
}
.btn-glass:hover { background: rgba(255, 255, 255, 0.1); }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; color: white; font-size: 1.5rem; }


.hero { padding-top: 180px; padding-bottom: 60px; position: relative; }
.hero-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 60px; align-items: center; }

.badge-pill {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 6px 16px; background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 100px; color: var(--primary);
    font-size: 0.85rem; font-weight: 600; margin-bottom: 24px;
}
.dot { width: 6px; height: 6px; background: var(--primary); border-radius: 50%; box-shadow: 0 0 10px var(--primary); }

h1 { font-family: var(--font-heading); font-size: 3.5rem; line-height: 1.1; margin: 0 0 24px 0; letter-spacing: -0.02em; }
.text-gradient {
    background: var(--gradient); -webkit-background-clip: text;
    -webkit-text-fill-color: transparent; background-clip: text;
}
.lede { font-size: 1.15rem; color: var(--text-muted); max-width: 500px; margin-bottom: 32px; }

.hero-cta { display: flex; gap: 16px; margin-bottom: 48px; }
.hero-visual { position: relative; height: 400px; }

.glass-card {
    background: rgba(20, 20, 25, 0.6);
    backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.1); border-radius: 16px; padding: 24px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}
.main-card { position: absolute; top: 0; left: 0; right: 0; z-index: 10; }
.card-header { display: flex; gap: 6px; margin-bottom: 20px; }
.circles span { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,0.2); display:inline-block; margin-right:4px;}
.circles span:nth-child(1) { background: #ef4444; } .circles span:nth-child(2) { background: #eab308; } .circles span:nth-child(3) { background: #22c55e; }
.code-block { font-family: 'Courier New', monospace; font-size: 0.9rem; color: #cbd5e1; line-height: 1.8; }
.code-purple { color: #c084fc; } .code-blue { color: #60a5fa; } .code-green { color: #4ade80; }


.logo-marquee {
    border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color);
    padding: 24px 0; overflow: hidden; background: rgba(255,255,255,0.01);
}
.marquee-content { display: flex; gap: 80px; animation: scroll 30s linear infinite; width: max-content; }
.marquee-content span { font-weight: 700; color: rgba(255, 255, 255, 0.3); font-size: 1.2rem; }
@keyframes scroll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }


.stats-section { padding: 60px 0; border-bottom: 1px solid var(--border-color); background: rgba(255,255,255,0.01); }
.stats-grid { display: flex; justify-content: space-around; flex-wrap: wrap; gap: 30px; text-align: center; }
.stat-item h3 { 
    font-size: 3.5rem; margin: 0; line-height: 1; font-weight: 700;
    font-family: var(--font-heading); 
    background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; 
}
.stat-item p { color: var(--text-muted); margin: 10px 0 0; font-size: 1.1rem; font-weight: 500; }

.section { padding: 100px 0; }
.center { text-align: center; margin-bottom: 60px; max-width: 800px; margin-left: auto; margin-right: auto;}
.eyebrow {
    color: var(--primary); font-size: 0.8rem; font-weight: 700;
    letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 16px; display: block;
}
.section h2 { font-family: var(--font-heading); font-size: 2.5rem; margin: 0 0 16px 0; }

.bento-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.bento-card {
    background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: 20px; padding: 40px; transition: all 0.4s ease;
    display: flex; flex-direction: column; align-items: flex-start;
}
.bento-card:hover { border-color: rgba(99, 102, 241, 0.3); background: var(--bg-card-hover); transform: translateY(-5px); }
.card-icon {
    width: 56px; height: 56px; background: rgba(99, 102, 241, 0.1);
    border-radius: 14px; display: flex; align-items: center; justify-content: center;
    color: var(--primary); font-size: 1.5rem; margin-bottom: 24px;
}
.bento-card h3 { margin: 0 0 16px 0; font-size: 1.5rem; font-family: var(--font-heading); }
.bento-card p { color: var(--text-muted); font-size: 0.95rem; margin: 0; line-height: 1.7; }
.bento-card ul { padding-left: 20px; margin-top: 15px; color: var(--text-muted); font-size: 0.9rem; }
.bento-card ul li { margin-bottom: 8px; }


.product-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; margin-top: 40px; }
.product-card {
    background: radial-gradient(circle at top right, rgba(99, 102, 241, 0.05), transparent);
    border: 1px solid var(--border-color); border-radius: 20px; padding: 30px;
    transition: 0.3s; position: relative; overflow: hidden;
}
.product-card:hover { border-color: var(--accent); box-shadow: 0 10px 30px rgba(0,0,0,0.3); }
.product-card h4 { font-family: var(--font-heading); font-size: 1.5rem; margin-bottom: 10px; color: white; }
.product-card .tag { font-size: 0.75rem; background: var(--accent); color: white; padding: 2px 8px; border-radius: 4px; position: absolute; top: 20px; right: 20px; }
.product-card ul { list-style: none; padding: 0; color: var(--text-muted); font-size: 0.9rem; margin-top: 20px; }
.product-card ul li { margin-bottom: 10px; display: flex; align-items: flex-start; gap: 10px; }
.product-card ul li i { color: var(--primary); margin-top: 4px; }


.ref-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 24px; }
.ref-card {
    background: var(--bg-card); border: 1px solid var(--border-color);
    border-radius: 16px; padding: 24px; display: flex; flex-direction: column;
}
.ref-logo { font-weight: 700; font-size: 1.2rem; color: white; margin-bottom: 12px; display: flex; align-items: center; gap: 10px; }
.ref-desc { font-size: 0.9rem; color: var(--text-muted); }


.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { background: var(--bg-card); margin-bottom: 16px; border: 1px solid var(--border-color); border-radius: 12px; overflow: hidden; transition: 0.3s; }
.faq-item:hover { border-color: rgba(99, 102, 241, 0.3); }
.faq-item summary { padding: 20px; cursor: pointer; font-weight: 600; color: white; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.faq-item summary::after { content: '+'; font-size: 1.5rem; color: var(--primary); }
.faq-item[open] summary::after { content: '-'; }
.faq-item p { padding: 0 20px 20px; margin: 0; color: var(--text-muted); font-size: 0.95rem; line-height: 1.6; border-top: 1px solid rgba(255,255,255,0.05); padding-top: 20px;}


.cta-card {
    background: radial-gradient(circle at top right, #1e1b4b, #050507);
    border: 1px solid var(--border-color); border-radius: 32px; padding: 60px;
    text-align: center; position: relative; overflow: hidden;
}
.cta-card::before {
    content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 1px;
    background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.5), transparent);
}
.modern-form { max-width: 500px; margin: 32px auto 0; }
.input-group { display: flex; gap: 16px; margin-bottom: 16px; }
input, textarea {
    width: 100%; padding: 16px; background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color); border-radius: 12px;
    color: white; font-family: inherit; transition: 0.3s;
}
input:focus, textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1); }
.btn-block { width: 100%; justify-content: center; margin-top: 16px; }

.site-footer { border-top: 1px solid var(--border-color); padding: 80px 0 40px; background: #020203; }
.footer-top { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 30px; margin-bottom: 40px;}
.footer-links a { color: var(--text-muted); margin-right: 20px; text-decoration: none; transition: 0.3s; }
.footer-links a:hover { color: var(--primary); }
.footer-bottom { text-align: center; color: rgba(255,255,255,0.2); border-top: 1px solid rgba(255,255,255,0.03); padding-top: 20px;}

.whatsapp-float {
    position: fixed; bottom: 30px; right: 30px;
    background-color: #25d366; color: white;
    width: 60px; height: 60px; border-radius: 50%;
    text-align: center; font-size: 30px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.4); z-index: 1000;
    display: flex; align-items: center; justify-content: center;
    transition: 0.3s; text-decoration: none;
}
.whatsapp-float:hover { transform: scale(1.1); background-color: #20b85c; }
.whatsapp-float .tooltip {
    position: absolute; right: 70px; background: white; color: #333;
    padding: 5px 12px; border-radius: 6px; font-size: 14px;
    font-weight: 600; white-space: nowrap; opacity: 0;
    transition: 0.3s; pointer-events: none;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
.whatsapp-float:hover .tooltip { opacity: 1; right: 80px; }


@media (max-width: 900px) {
    .hero-grid { grid-template-columns: 1fr; text-align: center; }
    .hero-visual { display: none; }
    .bento-grid { grid-template-columns: 1fr; }
    .site-nav { display: none; }
    .nav-actions { gap: 10px; }
    .site-nav.active { 
        display: flex; position: fixed; top: 90px; left:0; width:100%; 
        background: #050507; flex-direction: column; padding: 20px;
    }
    .btn-primary.header-cta { display: none; }
    .input-group { flex-direction: column; }
    .stats-grid { gap: 10px; }
    .stat-item { width: 45%; }
}

.reveal-on-scroll { opacity: 0; transform: translateY(30px); transition: all 0.8s cubic-bezier(0.5, 0, 0, 1); }
.reveal-on-scroll.is-visible { opacity: 1; transform: translateY(0); }