/* --- ZÁKLAD, PROMĚNNÉ & SCROLLBAR --- */
:root {
    --bg-dark: #050505; 
    --bg-panel: #111111;
    --text-main: #ffffff; 
    --text-muted: #888888;
    --accent: #FF5722; 
    --accent-hover: #ff7043;
    --border: #222222;
    --font-head: 'Rajdhani', sans-serif; 
    --font-body: 'Inter', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { background-color: var(--bg-dark); color: var(--text-main); font-family: var(--font-body); line-height: 1.6; overflow-x: hidden; }
h1, h2, h3 { font-family: var(--font-head); text-transform: uppercase; font-weight: 700; }
a { text-decoration: none; color: inherit; transition: 0.3s; }
ul { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* --- NAVIGACE --- */
nav { position: fixed; width: 100%; padding: 20px 0; z-index: 1000; background: rgba(5, 5, 5, 0.9); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.nav-container { display: flex; justify-content: space-between; align-items: center; }
.logo { font-family: var(--font-head); font-size: 1.8rem; font-weight: 700; letter-spacing: 2px; }
.logo span { color: var(--accent); }
.nav-links { display: flex; gap: 30px; }
.nav-links a:hover { color: var(--accent); }
.btn-nav { border: 1px solid var(--accent); padding: 8px 20px; color: var(--accent) !important; border-radius: 4px; }
.btn-nav:hover { background: var(--accent); color: #fff !important; }

/* --- HERO SEKCE --- */
#hero { height: 100vh; display: flex; align-items: center; position: relative; background: radial-gradient(circle at center, #1a1a1a 0%, #050505 70%); }
.hero-content { position: relative; z-index: 2; max-width: 800px; }
.hero-tag { color: var(--accent); letter-spacing: 3px; font-weight: 600; margin-bottom: 10px; display: block; }
.hero-content h1 { font-size: clamp(3rem, 6vw, 5rem); line-height: 1.1; margin-bottom: 20px; }
.hero-content p { font-size: 1.2rem; color: #ccc; margin-bottom: 40px; }

/* Tlačítka */
.btn { padding: 15px 35px; font-family: var(--font-head); font-weight: 700; letter-spacing: 1px; cursor: pointer; display: inline-block; border: 1px solid transparent; transition: 0.3s; text-transform: uppercase; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: transparent; border-color: var(--accent); color: var(--accent); box-shadow: 0 0 15px rgba(255, 87, 34, 0.3); }

/* --- OBECNÉ SEKCE --- */
section { padding: 100px 0; }
.section-header { text-align: center; margin-bottom: 60px; max-width: 800px; margin-left: auto; margin-right: auto; }
.section-header h2 { font-size: 2.5rem; margin-bottom: 10px; }
.section-header p { color: var(--text-muted); font-size: 1.1rem; }

/* --- O NÁS --- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.about-text h3 { color: var(--accent); margin-bottom: 20px; font-size: 1.8rem; }
.about-text p { margin-bottom: 20px; color: #ccc; font-size: 1.05rem; }
.about-stats { display: flex; gap: 30px; margin-top: 30px; border-top: 1px solid var(--border); padding-top: 30px; }
.stat-box h4 { font-size: 2rem; color: var(--accent); margin-bottom: 5px; }
.stat-box p { font-size: 0.85rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }

/* --- SLUŽBY --- */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px; }
.service-card { background: var(--bg-panel); border: 1px solid var(--border); padding: 40px 30px; transition: 0.4s; position: relative; overflow: hidden; }
.service-card:hover { border-color: var(--accent); transform: translateY(-5px); }
.service-icon { font-size: 2rem; color: var(--accent); margin-bottom: 20px; font-family: var(--font-head); font-weight: 700; }
.service-card h3 { margin-bottom: 15px; font-size: 1.5rem; }
.service-card p { color: #aaa; font-size: 0.95rem; }

/* --- TARIFY --- */
/* Zmenšený minmax aby se vešlo více tarifů vedle sebe */
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 30px; }
.pricing-card { background: var(--bg-panel); border: 1px solid var(--border); padding: 35px 25px; display: flex; flex-direction: column; transition: 0.3s; }
.pricing-card.popular { border-color: var(--accent); position: relative; transform: scale(1.05); z-index: 2; box-shadow: 0 10px 30px rgba(0,0,0,0.5); }
.popular-badge { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--accent); color: #fff; padding: 5px 15px; font-size: 0.8rem; font-weight: bold; text-transform: uppercase; letter-spacing: 1px; }
.pricing-card h3 { font-size: 1.6rem; margin-bottom: 5px; }
.price { font-size: 2.2rem; color: var(--accent); font-family: var(--font-head); font-weight: 700; margin-bottom: 20px; }
.price span { font-size: 0.9rem; color: var(--text-muted); font-family: var(--font-body); font-weight: 400; }
.features { margin-bottom: 30px; flex-grow: 1; }
.features li { margin-bottom: 12px; color: #ccc; font-size: 0.9rem; border-bottom: 1px solid #1a1a1a; padding-bottom: 8px; }
.features li::before { content: '✓'; color: var(--accent); margin-right: 10px; font-weight: bold; }

/* --- KONTAKT A FORMULÁŘE --- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; }
.form-group { margin-bottom: 20px; }
.form-control { width: 100%; padding: 15px; background: #000; border: 1px solid var(--border); color: #fff; font-family: var(--font-body); outline: none; transition: 0.3s; }
.form-control:focus { border-color: var(--accent); }
textarea.form-control { height: 150px; resize: none; }
.alert { padding: 15px; margin-bottom: 20px; border-radius: 4px; }
.alert.success { background: rgba(76, 209, 55, 0.1); border: 1px solid #4cd137; color: #4cd137; }

/* --- PATIČKA --- */
footer { background: #000; padding: 40px 0; border-top: 1px solid var(--border); text-align: center; color: var(--text-muted); font-size: 0.9rem; }

/* --- ANIMACE --- */
.reveal { opacity: 0; transform: translateY(30px); transition: 0.8s ease-out; }
.reveal.active { opacity: 1; transform: translateY(0); }

/* --- MOBILNÍ RESPONSIVITA --- */
.menu-toggle { display: none; cursor: pointer; }
.bar { display: block; width: 25px; height: 2px; margin: 5px auto; background-color: #fff; transition: 0.3s; }

@media(max-width: 900px) {
    .pricing-card.popular { transform: scale(1); } /* Zrušení zvětšení na mobilu */
}

@media(max-width: 768px) {
    .menu-toggle { display: block; }
    .nav-links { position: fixed; left: -100%; top: 70px; flex-direction: column; background: #050505; width: 100%; text-align: center; padding: 40px 0; transition: 0.3s; border-bottom: 1px solid var(--border); }
    .nav-links.active { left: 0; }
    .about-grid, .contact-grid { grid-template-columns: 1fr; }
}