@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --secondary: #0f172a;
    --text-main: #334155;
    --text-light: #64748b;
    --bg-light: #f8fafc;
    --white: #ffffff;
    --border: #e2e8f0;
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --glass: rgba(255, 255, 255, 0.9);
}

* { box-sizing: border-box; margin: 0; padding: 0; outline: none; }
body { font-family: 'Inter', sans-serif; color: var(--text-main); line-height: 1.6; background-color: var(--white); overflow-x: hidden; }
a { text-decoration: none; color: inherit; transition: 0.2s; }
ul { list-style: none; }

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

/* NAVBAR */
.navbar { position: fixed; top: 0; width: 100%; height: 80px; display: flex; align-items: center; background: var(--glass); backdrop-filter: blur(10px); border-bottom: 1px solid rgba(226, 232, 240, 0.6); z-index: 1000; }
.nav-container { display: flex; justify-content: space-between; align-items: center; width: 100%; }
.logo { font-size: 1.25rem; font-weight: 800; color: var(--secondary); display: flex; align-items: center; gap: 10px; }
.logo-icon { width: 36px; height: 36px; background: linear-gradient(135deg, var(--primary), #818cf8); color: white; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; }
.nav-links { display: flex; gap: 32px; align-items: center; }
.nav-links a { font-weight: 500; color: var(--text-main); font-size: 0.95rem; }
.nav-links a:hover { color: var(--primary); }

/* DROPDOWN */
.dropdown { position: relative; padding: 10px 0; cursor: pointer; }
.dropdown-content { display: none; position: absolute; top: 100%; left: -20px; background: white; min-width: 220px; box-shadow: var(--shadow-lg); border-radius: 12px; border: 1px solid var(--border); padding: 8px; z-index: 1001; }
.dropdown:hover .dropdown-content { display: block; }
.dropdown-content a { display: block; padding: 10px 16px; border-radius: 6px; }
.dropdown-content a:hover { background: var(--bg-light); color: var(--primary); }

/* BUTTONS */
.nav-actions { display: flex; gap: 12px; align-items: center; }
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 10px 20px; border-radius: 8px; font-weight: 600; cursor: pointer; transition: 0.2s; border: none; font-size: 0.95rem; }
.btn-primary { background: var(--primary); color: white; box-shadow: 0 4px 6px rgba(79, 70, 229, 0.2); }
.btn-primary:hover { background: var(--primary-hover); transform: translateY(-2px); }
.btn-outline { border: 1px solid var(--border); color: var(--text-main); background: white; }
.btn-outline:hover { border-color: var(--secondary); color: var(--secondary); }
.btn-text-only { background: transparent; color: var(--text-main); }
.btn-text-only:hover { color: var(--primary); }
.btn-white { background: white; color: var(--primary); }
.btn-lg { padding: 14px 32px; font-size: 1.1rem; }
.btn-block { width: 100%; }

/* HERO SECTION */
.hero-section { padding: 160px 0 100px; background: radial-gradient(circle at top right, #e0e7ff 0%, #fff 40%), radial-gradient(circle at bottom left, #f0fdf4 0%, #fff 40%); overflow: hidden; }
.hero-wrapper { display: flex; align-items: center; gap: 60px; }
.hero-content { flex: 1; }
.hero-visual { flex: 1.2; position: relative; perspective: 1000px; }
.hero-title { font-size: 3.5rem; line-height: 1.1; font-weight: 800; color: var(--secondary); margin-bottom: 24px; letter-spacing: -1px; }
.highlight-text { color: var(--primary); }
.hero-subtitle { font-size: 1.25rem; color: var(--text-light); margin-bottom: 40px; max-width: 540px; }
.hero-actions { display: flex; gap: 15px; }

/* BADGE */
.badge-new { display: inline-flex; align-items: center; gap: 10px; background: #eff6ff; border: 1px solid #dbeafe; padding: 4px 4px 4px 12px; border-radius: 50px; margin-bottom: 24px; font-size: 0.85rem; color: var(--primary); font-weight: 600; }
.badge-pill { background: var(--primary); color: white; padding: 2px 8px; border-radius: 10px; font-size: 0.7rem; font-weight: 700; }

/* CSS BROWSER MOCKUP */
.browser-window { background: white; border-radius: 12px; box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25), 0 0 0 1px rgba(0,0,0,0.05); overflow: hidden; transform: rotateY(-5deg) rotateX(5deg); transition: transform 0.3s ease; }
.browser-window:hover { transform: rotateY(0) rotateX(0); }
.browser-header { background: #f8fafc; padding: 12px 16px; display: flex; align-items: center; gap: 16px; border-bottom: 1px solid #e2e8f0; }
.browser-dots { display: flex; gap: 6px; }
.dot { width: 10px; height: 10px; border-radius: 50%; }
.red { background: #ef4444; } .yellow { background: #f59e0b; } .green { background: #10b981; }
.browser-address { flex: 1; background: white; border: 1px solid #e2e8f0; border-radius: 6px; padding: 4px 12px; font-size: 0.8rem; color: #64748b; display: flex; align-items: center; gap: 8px; justify-content: center; }

/* CSS DASHBOARD INTERNALS */
.css-dashboard { display: flex; height: 350px; background: #f1f5f9; }
.dash-sidebar { width: 70px; background: #1e293b; padding: 20px 15px; display: flex; flex-direction: column; gap: 15px; }
.dash-menu-item { height: 10px; width: 100%; background: rgba(255,255,255,0.1); border-radius: 5px; }
.dash-menu-item.active { background: var(--primary); }
.dash-content { flex: 1; padding: 25px; display: flex; flex-direction: column; gap: 20px; }
.dash-grid-3 { display: flex; gap: 15px; }
.dash-card { flex: 1; background: white; padding: 15px; border-radius: 10px; box-shadow: var(--shadow-md); }
.dash-label { height: 8px; width: 60%; background: #e2e8f0; border-radius: 4px; margin-bottom: 10px; }
.dash-val { font-size: 18px; font-weight: 800; color: var(--secondary); }
.dash-big-card { flex: 1; background: white; border-radius: 10px; padding: 20px; box-shadow: var(--shadow-md); display: flex; flex-direction: column; }
.dash-chart-area { flex: 1; display: flex; align-items: flex-end; justify-content: space-around; padding-bottom: 10px; border-bottom: 1px solid #f1f5f9; margin-top: 15px; }
.dash-bar { width: 10%; background: #e0e7ff; border-radius: 5px 5px 0 0; transition: height 1s ease; }
.dash-bar.active { background: var(--primary); }

/* SECTIONS */
.section { padding: 100px 0; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-title { font-size: 2.5rem; font-weight: 800; color: var(--secondary); margin-bottom: 15px; }
.section-desc { font-size: 1.2rem; color: var(--text-light); max-width: 600px; margin: 0 auto; }
.page-header { padding: 140px 0 60px; background: linear-gradient(180deg, var(--bg-light) 0%, white 100%); text-align: center; border-bottom: 1px solid var(--border); }
.page-header h1 { font-size: 3rem; font-weight: 800; color: var(--secondary); margin-bottom: 16px; }

/* FEATURES GRID */
.features-grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.feature-box { padding: 30px; border: 1px solid #e2e8f0; border-radius: 16px; transition: 0.3s; background: white; }
.feature-box:hover { border-color: var(--primary); transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.icon-box { width: 50px; height: 50px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; margin-bottom: 20px; }
.ib-blue { background: #eff6ff; color: var(--primary); }
.ib-green { background: #f0fdf4; color: #16a34a; }
.ib-purple { background: #f5f3ff; color: #8b5cf6; }

/* CONTACT PAGE */
.contact-section { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; padding: 40px 0; }
.contact-item { display: flex; gap: 15px; margin-bottom: 25px; }
.contact-icon { width: 40px; height: 40px; background: #eff6ff; color: var(--primary); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; flex-shrink: 0; }

/* FOOTER */
.footer { background: var(--bg-light); padding: 80px 0 30px; border-top: 1px solid var(--border); margin-top: auto; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 50px; margin-bottom: 60px; }
.footer-col h4 { font-size: 0.9rem; color: var(--text-light); text-transform: uppercase; font-weight: 700; margin-bottom: 20px; }
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul li a { color: var(--text-main); }
.footer-col ul li a:hover { color: var(--primary); }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 30px; display: flex; justify-content: space-between; font-size: 0.9rem; color: var(--text-light); }

/* MOBILE */
.hamburger, .btn-login-mobile { display: none; }
@media (max-width: 992px) {
    .hero-wrapper, .contact-section { grid-template-columns: 1fr; flex-direction: column; text-align: center; }
    .hero-visual { display: none; /* Mobilde CSS Mockup gizlensin, çok yer kaplar */ }
    .footer-grid { grid-template-columns: 1fr; gap: 30px; }
    .nav-links, .nav-actions { display: none; }
    .hamburger { display: flex; flex-direction: column; gap: 6px; cursor: pointer; }
    .hamburger span { width: 24px; height: 2px; background: var(--secondary); }
    .contact-item { justify-content: center; text-align: left; }
}