:root {
    --primary: #034289;
    --black: #1A1A1A;
    --text: #333333;
    --light-bg: #F8F9FA;
    --white: #FFFFFF;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; color: var(--text); line-height: 1.6; background: var(--white); }
.container { max-width: 1100px; margin: 0 auto; padding: 0 25px; }

/* LOGO */
.logo a { text-decoration: none; display: flex; align-items: center; font-weight: 700; font-size: 1.6rem; }
.logo-box { background: var(--primary); color: var(--white); padding: 2px 10px; border-radius: 4px; margin-right: 6px; }
.logo-text { color: var(--black); }

/* NAVBAR */
.navbar { position: fixed; top: 0; width: 100%; background: rgba(255, 255, 255, 0.98); padding: 15px 0; z-index: 1000; border-bottom: 1px solid #eee; }
.navbar .container { display: flex; justify-content: space-between; align-items: center; }
.nav-links { display: flex; list-style: none; gap: 30px; align-items: center; }
.nav-links a { text-decoration: none; color: var(--text); font-weight: 600; font-size: 0.9rem; }
.btn-cta { background: var(--primary); color: white !important; padding: 10px 20px; border-radius: 4px; }

/* HERO */
.hero { 
    padding: 220px 0 140px; 
    background: linear-gradient(rgba(3, 66, 137, 0.92), rgba(0, 0, 0, 0.88)), 
                url('https://images.unsplash.com/photo-1497215728101-856f4ea42174?auto=format&fit=crop&q=80&w=2000'); 
    background-size: cover; background-position: center; color: white; text-align: center;
}
.hero h1 { font-size: clamp(2.2rem, 6vw, 4rem); margin-bottom: 25px; }
.hero h1 strong { color: #5da9ff; }
.hero p { max-width: 750px; margin: 0 auto 40px; font-size: 1.3rem; opacity: 0.9; }
.btn-primary { background: var(--primary); color: white; padding: 18px 35px; text-decoration: none; border-radius: 4px; font-weight: 700; display: inline-block; }
.btn-secondary-hero { border: 2px solid white; color: white; padding: 16px 35px; text-decoration: none; border-radius: 4px; font-weight: 700; display: inline-block; margin-left: 15px; }

/* SECTIONS */
.section { padding: 120px 0; }
.bg-light { background: var(--light-bg); }
.bg-dark { background: var(--primary); color: white; }
.badge { color: var(--primary); font-weight: 700; text-transform: uppercase; letter-spacing: 2px; font-size: 0.85rem; margin-bottom: 15px; display: block; }
.section-header { text-align: center; margin-bottom: 60px; }

/* SLUŽBY */
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.service-card { background: white; padding: 40px; border-radius: 12px; box-shadow: 0 5px 15px rgba(0,0,0,0.02); transition: 0.3s; text-align: center; border: 1px solid #eee; }
.service-card:hover { transform: translateY(-10px); border-color: var(--primary); }
.service-icon { font-size: 3rem; margin-bottom: 20px; display: block; }
.service-card h3 { color: var(--primary); margin-bottom: 15px; }

/* O MNĚ */
.about-wrapper { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 80px; align-items: center; }
.eshop-list { display: flex; flex-wrap: wrap; gap: 10px; margin: 25px 0; }
.eshop-item { 
    text-decoration: none; background: #eef4fb; color: var(--primary); padding: 8px 15px; border-radius: 5px; 
    font-weight: 600; font-size: 0.9rem; border: 1px solid rgba(3, 66, 137, 0.1); transition: 0.3s; 
}
.eshop-item:hover { background: var(--primary); color: var(--white); transform: translateY(-2px); }
.about-stats { display: grid; grid-template-columns: 1fr; gap: 20px; }
.stat-card { background: var(--white); padding: 30px; border-radius: 12px; border: 1px solid #eee; transition: 0.3s; text-align: center; }
.stat-card.accent { background: var(--primary); color: white; }
.stat-card:hover { transform: translateX(-10px); }
.stat-number { display: block; font-size: 2.8rem; font-weight: 800; margin-bottom: 5px; }
.stat-card.accent .stat-number { color: #5da9ff; }
.stat-label { font-size: 0.95rem; font-weight: 600; opacity: 0.8; }

/* REFERENCE */
.ref-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; margin-top: 40px; }
.ref-card { text-decoration: none; color: inherit; background: white; border-radius: 8px; overflow: hidden; box-shadow: 0 10px 30px rgba(0,0,0,0.05); transition: 0.3s; display: block; }
.ref-card:hover { transform: translateY(-10px); }
.ref-img { position: relative; height: 250px; overflow: hidden; }
.ref-img img { width: 100%; height: 100%; object-fit: cover; transition: 0.5s; }
.ref-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(3, 66, 137, 0.8); display: flex; align-items: center; justify-content: center; opacity: 0; transition: 0.3s; }
.ref-overlay span { color: white; font-weight: 700; border: 2px solid white; padding: 10px 20px; border-radius: 4px; }
.ref-card:hover .ref-overlay { opacity: 1; }
.ref-info { padding: 25px; }
.ref-info h3 { color: var(--primary); }

/* CENÍK */
.pricing-container { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.price-box { background: white; border: 1px solid #eee; padding: 50px 40px; border-radius: 12px; cursor: pointer; transition: 0.4s; position: relative; }
.price-box:hover { transform: translateY(-15px); box-shadow: 0 30px 60px rgba(3, 66, 137, 0.15); border-color: var(--primary); }
.base-highlight { border: 2px solid var(--primary); background: #f0f7ff; }
.popular-tag { position: absolute; top: -15px; left: 50%; transform: translateX(-50%); background: var(--primary); color: white; padding: 5px 15px; border-radius: 20px; font-size: 0.75rem; font-weight: 700; text-transform: uppercase; }
.price { font-size: 2.5rem; font-weight: 700; color: var(--primary); margin: 20px 0; }
.price-details { max-height: 0; overflow: hidden; transition: 0.5s; }
.price-details.open { max-height: 500px; margin-top: 30px; padding-top: 30px; border-top: 1px solid #eee; }
.price-details li::before { content: "✓"; color: var(--primary); margin-right: 10px; font-weight: bold; list-style: none; }
ul { list-style: none; }

/* KONTAKT & BILLING */
.contact-links a { display: block; font-size: 2.2rem; color: white; text-decoration: none; font-weight: 700; margin-bottom: 15px; }
.billing-info { margin-top: 30px; opacity: 0.8; font-size: 0.95rem; }

@media (max-width: 992px) {
    .about-wrapper, .services-grid, .pricing-container, .ref-grid { grid-template-columns: 1fr; }
    .hero { padding: 160px 0 80px; }
    .nav-links { display: none; }
}

.footer { padding: 40px 0; color: #999; }