/* Globální proměnné a barvy (Dark/Neon styl vycházející z aplikace) */
:root {
    --bg-dark: #0a0a0c;
    --bg-panel: #141518;
    --bg-glass: rgba(20, 21, 24, 0.7);
    --border-glass: rgba(255, 255, 255, 0.1);
    
    --text-main: #f0f0f0;
    --text-muted: #8a8d93;
    
    --glow-green: #39ff14;
    --glow-red: #ff3131;
    --glow-orange: #ff9d00;
    --glow-cyan: #00d2ff;
    
    --font-main: 'Inter', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typografie a efekty */
h1, h2, h3 { font-weight: 800; line-height: 1.2; }
.glow-orange { color: var(--glow-orange); text-shadow: 0 0 20px rgba(255,157,0,0.5); }
.glow-green { color: var(--glow-green); text-shadow: 0 0 20px rgba(57,255,20,0.5); }
.glow-cyan { color: var(--glow-cyan); text-shadow: 0 0 20px rgba(0,210,255,0.5); }
.text-center { text-align: center; }

/* Tlačítka */
button, .btn-primary, .btn-secondary, .btn-download-small, .btn-windows, .btn-android, .btn-buy {
    font-family: var(--font-main);
    cursor: pointer;
    text-decoration: none;
    border: none;
    border-radius: 8px;
    font-weight: 800;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background: var(--glow-orange);
    color: #000;
    padding: 15px 30px;
    font-size: 1.1rem;
    box-shadow: 0 5px 20px rgba(255,157,0,0.4);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 30px rgba(255,157,0,0.6); }

.btn-secondary {
    background: transparent;
    color: var(--text-main);
    border: 2px solid var(--border-glass);
    padding: 13px 30px;
    font-size: 1.1rem;
}
.btn-secondary:hover { background: rgba(255,255,255,0.1); border-color: var(--glow-cyan); color: var(--glow-cyan); }

/* Banner zkušebního provozu */
.beta-banner {
    position: fixed;
    top: 0;
    width: 100%;
    background: #ff5f56;
    color: #fff;
    text-align: center;
    padding: 8px;
    font-weight: 800;
    font-size: 0.9rem;
    z-index: 1001;
    box-shadow: 0 2px 10px rgba(255, 95, 86, 0.5);
    letter-spacing: 1px;
}

/* Navigace */
.navbar {
    position: fixed;
    top: 36px; /* Posunuto kvůli banneru */
    width: 100%;
    background: rgba(10,10,12,0.8);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--border-glass);
    z-index: 1000;
    padding: 15px 0;
}
.nav-content { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.5rem; font-weight: 900; letter-spacing: 2px; display: flex; align-items: center; gap: 10px; }
.logo-icon { color: var(--glow-orange); font-size: 1.8rem; }
.nav-links { display: flex; list-style: none; gap: 30px; align-items: center; }
.nav-links a { color: var(--text-main); text-decoration: none; font-weight: 600; transition: color 0.3s; }
.nav-links a:hover { color: var(--glow-cyan); }

.btn-download-small {
    background: rgba(255,255,255,0.1);
    color: var(--text-main);
    border: 1px solid var(--glow-green);
    padding: 8px 20px;
    font-size: 0.9rem;
    box-shadow: 0 0 10px rgba(57,255,20,0.2);
}
.btn-download-small:hover { background: var(--glow-green); color: #000; }

/* Hlavní sekce (Hero) */
.hero {
    padding-top: 150px;
    padding-bottom: 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: radial-gradient(circle at top right, rgba(0,210,255,0.1) 0%, transparent 40%),
                radial-gradient(circle at bottom left, rgba(255,157,0,0.1) 0%, transparent 40%);
}
.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}
.badge {
    display: inline-block;
    padding: 5px 15px;
    background: rgba(0,210,255,0.1);
    border: 1px solid var(--glow-cyan);
    color: var(--glow-cyan);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 800;
    margin-bottom: 20px;
}
.hero h1 { font-size: 4rem; margin-bottom: 20px; }
.hero p { font-size: 1.2rem; color: var(--text-muted); margin-bottom: 40px; }
.hero-buttons { display: flex; gap: 20px; }

/* Glassmorphism maketa aplikace */
.glass-mockup {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 30px 60px rgba(0,0,0,0.6);
    overflow: hidden;
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: transform 0.5s ease;
}
.glass-mockup:hover { transform: perspective(1000px) rotateY(0deg) rotateX(0deg); }
.mockup-header { padding: 15px; background: rgba(0,0,0,0.3); display: flex; gap: 8px; }
.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }
#hero-img { width: 100%; display: block; border-bottom-left-radius: 16px; border-bottom-right-radius: 16px; }

/* Funkce */
.features { padding: 100px 0; background: #0e0e11; }
.section-title { font-size: 3rem; margin-bottom: 60px; text-align: center; }
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px; }
.feature-card {
    background: var(--bg-panel);
    border: 1px solid var(--border-glass);
    padding: 40px 30px;
    border-radius: 16px;
    transition: transform 0.3s ease, border-color 0.3s ease;
}
.feature-card:hover { transform: translateY(-10px); border-color: rgba(255,255,255,0.3); }
.feature-icon { font-size: 3rem; margin-bottom: 20px; }
.feature-card h3 { font-size: 1.4rem; margin-bottom: 15px; }
.feature-card p { color: var(--text-muted); }

/* Sekce Video */
.video-section { padding: 100px 0; }
.video-desc { font-size: 1.2rem; color: var(--text-muted); margin-bottom: 50px; }
.video-wrapper {
    max-width: 900px;
    margin: 0 auto;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0,0,0,0.8);
    border: 1px solid var(--border-glass);
}
.video-placeholder {
    width: 100%;
    aspect-ratio: 16/9;
    background: #111;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.3s;
}
.video-placeholder:hover { background: #1a1a1a; }
.play-button {
    font-size: 4rem;
    color: var(--glow-cyan);
    margin-bottom: 20px;
    text-shadow: 0 0 20px rgba(0,210,255,0.5);
}

/* Stažení a Ceník */
.download { padding: 100px 0; background: #0e0e11; }
.pricing-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 40px; margin-top: 60px; max-width: 900px; margin-left: auto; margin-right: auto; }
.pricing-card {
    background: var(--bg-panel);
    border: 1px solid var(--border-glass);
    border-radius: 20px;
    padding: 40px;
    position: relative;
    display: flex;
    flex-direction: column;
}
.glass-card { background: rgba(20, 21, 24, 0.5); }
.premium-card { border: 2px solid var(--glow-orange); box-shadow: 0 10px 40px rgba(255,157,0,0.15); transform: scale(1.05); }
.popular-badge {
    position: absolute; top: -15px; left: 50%; transform: translateX(-50%);
    background: var(--glow-orange); color: #000; font-weight: 900;
    padding: 5px 15px; border-radius: 20px; font-size: 0.9rem;
}
.pricing-card h3 { font-size: 1.5rem; margin-bottom: 10px; color: var(--text-muted); }
.premium-card h3 { color: var(--glow-orange); }
.price { font-size: 3rem; font-weight: 900; margin-bottom: 30px; }
.price span { font-size: 1rem; color: var(--text-muted); font-weight: 400; }
.pricing-features { list-style: none; margin-bottom: 40px; flex-grow: 1; }
.pricing-features li { margin-bottom: 15px; font-size: 1.1rem; }

.download-buttons { display: flex; flex-direction: column; gap: 15px; }
.btn-windows { background: #0078D7; color: white; padding: 15px; font-size: 1.1rem; }
.btn-windows:hover { background: #005a9e; }
.btn-android { background: #3DDC84; color: black; padding: 15px; font-size: 1.1rem; }
.btn-android:hover { background: #2fb46a; }
.btn-buy { background: var(--glow-orange); color: black; padding: 15px; font-size: 1.2rem; }
.btn-buy:hover { box-shadow: 0 0 20px rgba(255,157,0,0.5); }

/* Patička */
footer { padding: 40px 0; border-top: 1px solid var(--border-glass); background: #050505; }
.footer-content { display: flex; justify-content: space-between; align-items: center; }
.footer-left p { color: var(--text-muted); margin-top: 10px; font-size: 0.9rem; }
.footer-right { display: flex; gap: 20px; }
.footer-right a { color: var(--text-muted); text-decoration: none; font-size: 0.9rem; transition: color 0.3s; }
.footer-right a:hover { color: white; }

/* Responzivita */
@media (max-width: 900px) {
    .hero-content { grid-template-columns: 1fr; text-align: center; }
    .hero-buttons { justify-content: center; }
    .hero h1 { font-size: 3rem; }
    .premium-card { transform: scale(1); }
    .nav-links { display: none; /* Pro mobil by bylo potřeba hamburger menu */ }
}
@media (max-width: 600px) {
    .hero h1 { font-size: 2.5rem; }
    .hero-buttons { flex-direction: column; }
    .footer-content { flex-direction: column; text-align: center; gap: 20px; }
}