/* ZÁKLADNÍ NASTAVENÍ */
body { margin: 0; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; background-color: #111; color: #eee; line-height: 1.6; }
h1, h2, h3 { font-weight: 300; letter-spacing: 2px; text-transform: uppercase; margin-top: 0;}
a { color: #fff; text-decoration: none; }
img { max-width: 100%; height: auto; }

/* NAVIGACE */
nav { padding: 20px 50px; display: flex; justify-content: space-between; align-items: center; background-color: #000; position: sticky; top: 0; z-index: 100; border-bottom: 1px solid #222;}
.logo { font-size: 24px; font-weight: bold; letter-spacing: 4px; }
.nav-links a { margin-left: 20px; font-size: 14px; transition: color 0.3s; }
.nav-links a:hover { color: #888; }

/* HERO SEKCE */
.hero { height: 80vh; background: url('https://encrypted-tbn2.gstatic.com/licensed-image?q=tbn:ANd9GcRvh2hxskQqCZUji06Fi0hdhXYI2f7rZL9d3YRbGuRHTOHrUhdeoiWCg8kufaVDkFzFEljZf6tsTJh9kSs') no-repeat center center/cover; display: flex; align-items: center; justify-content: center; text-align: center; position: relative; }
.hero::after { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.6); }
.hero-content { position: relative; z-index: 1; }
.hero h1 { font-size: 50px; margin-bottom: 10px; }
.hero p { font-size: 18px; font-weight: 300; margin-bottom: 30px; }
.btn { padding: 12px 30px; border: 1px solid #fff; color: #fff; background: transparent; cursor: pointer; transition: all 0.3s; text-transform: uppercase; letter-spacing: 1px; display: inline-block;}
.btn:hover { background: #fff; color: #000; }

/* SPOLEČNÉ PRO SEKCE */
section { padding: 80px 20px; max-width: 1000px; margin: 0 auto; text-align: center; }
section h2 { margin-bottom: 40px; font-size: 32px; border-bottom: 1px solid #333; padding-bottom: 10px; display: inline-block;}
.section-desc { margin-bottom: 40px; color: #aaa; }

/* PORTFOLIO KARUSEL */
.carousel-container { display: flex; overflow-x: auto; gap: 20px; padding-bottom: 20px; scroll-snap-type: x mandatory; scrollbar-width: thin; scrollbar-color: #555 #111; }
.carousel-container::-webkit-scrollbar { height: 8px; }
.carousel-container::-webkit-scrollbar-thumb { background: #555; border-radius: 4px; }
.carousel-item { flex: 0 0 80%; scroll-snap-align: center; position: relative; }
.carousel-item img { width: 100%; height: 400px; object-fit: cover; filter: grayscale(100%); transition: filter 0.4s; }
.carousel-item img:hover { filter: grayscale(0%); }
.carousel-caption { position: absolute; bottom: 20px; left: 20px; background: rgba(0,0,0,0.8); padding: 5px 15px; font-size: 14px; letter-spacing: 1px;}

/* O MNĚ */
#about { background-color: #0a0a0a; max-width: 100%; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; text-align: left; align-items: center; max-width: 1000px; margin: 0 auto;}
@media (max-width: 768px) { .about-grid { grid-template-columns: 1fr; } }
.about-img { filter: grayscale(100%); width: 100%; }

/* CENÍK */
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; text-align: center; }
.pricing-card { background-color: #1a1a1a; border: 1px solid #333; padding: 40px 20px; transition: transform 0.3s, border-color 0.3s; display: flex; flex-direction: column;}
.pricing-card:hover { transform: translateY(-10px); border-color: #fff; }
.price { font-size: 32px; font-weight: bold; margin: 20px 0; color: #fff; }
.price span { font-size: 14px; font-weight: normal; color: #777; }
.pricing-card ul { list-style: none; padding: 0; margin-bottom: 40px; color: #ccc; font-size: 15px; text-align: left; }
.pricing-card ul li { border-bottom: 1px solid #2a2a2a; padding: 12px 0; padding-left: 20px; position: relative;}
.pricing-card ul li::before { content: "✓"; position: absolute; left: 0; color: #888; }
.pricing-card ul li:last-child { border-bottom: none; }
.btn-small { padding: 10px 20px; border: 1px solid #666; color: #aaa; background: transparent; transition: all 0.3s; text-transform: uppercase; font-size: 12px; letter-spacing: 1px; margin-top: auto;}
.pricing-card:hover .btn-small { border-color: #fff; color: #000; background: #fff; }

/* REFERENCE */
.testimonials { background-color: #050505; max-width: 100%; border-top: 1px solid #1a1a1a; border-bottom: 1px solid #1a1a1a; margin-top: 60px;}
.testimonials-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 40px; max-width: 1000px; margin: 0 auto; }
.quote-box { padding: 30px; background-color: #000; border: 1px solid #222; text-align: left;}
.quote-icon { font-size: 50px; color: #333; font-family: serif; line-height: 0.5; }
.quote-text { font-style: italic; color: #bbb; font-size: 15px; margin-bottom: 20px; min-height: 80px; }
.quote-author { font-weight: bold; text-transform: uppercase; letter-spacing: 2px; font-size: 12px; color: #fff; border-top: 1px solid #222; padding-top: 15px; }

/* FAQ */
.faq-section { max-width: 800px; }
details { background-color: #1a1a1a; border: 1px solid #333; margin-bottom: 15px; padding: 20px; cursor: pointer; text-align: left; transition: background-color 0.3s; }
details:hover { background-color: #222; }
summary { font-size: 16px; font-weight: bold; color: #eee; list-style: none; position: relative; padding-right: 30px; letter-spacing: 1px;}
summary::-webkit-details-marker { display: none; }
summary::after { content: '+'; position: absolute; right: 0; top: 0; font-size: 20px; color: #888; }
details[open] summary::after { content: '-'; color: #fff; }
details p { color: #aaa; margin-top: 20px; line-height: 1.6; font-size: 14px; padding-top: 15px; border-top: 1px solid #333; }

/* KONTAKT & FOOTER */
form { display: flex; flex-direction: column; gap: 15px; max-width: 600px; margin: 0 auto; text-align: left; }
input, select, textarea { width: 100%; padding: 15px; background: #222; border: 1px solid #444; color: #fff; box-sizing: border-box; font-family: inherit;}
input:focus, select:focus, textarea:focus { outline: none; border-color: #fff; }
footer { background: #000; padding: 40px 20px; text-align: center; font-size: 12px; color: #666; border-top: 1px solid #222;}