/* --- ÚčtoVšem - FINAL PRODUCTION STYLE --- */

/* --- 1. ZÁKLADNÍ NASTAVENÍ A PROMĚNNÉ --- */
:root {
    --primary-color: #1a3642; /* Tmavá petrolejová */
    --accent-color: #f97316; /* Jasná oranžová */
    --accent-gradient: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
    --bg-light: #fff7ed; 
    --text-color: #334155;
    --white: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.90);
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* FIX: Zamezení horizontálnímu posouvání na mobilu */
html, body {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
    margin: 0; 
    padding: 0;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-color);
    line-height: 1.7;
    background-color: var(--white);
}

h1, h2, h3, h4, .btn, .header-btn {
    font-family: 'Outfit', sans-serif;
    color: var(--primary-color);
}
h1, h2, h3, h4 { font-weight: 700; margin-bottom: 1rem; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }

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

/* --- 2. TLAČÍTKA --- */
.btn {
    display: inline-block;
    background: var(--accent-gradient);
    color: var(--white);
    padding: 14px 36px;
    border-radius: 50px;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(249, 115, 22, 0.3);
    transition: var(--transition);
}
.btn:hover { transform: translateY(-3px); box-shadow: 0 8px 20px rgba(249, 115, 22, 0.4); }

/* --- 3. HEADER & NAVIGACE --- */
header {
    background-color: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    position: fixed; width: 100%; top: 0; z-index: 1000;
}

nav {
    display: flex; justify-content: space-between; align-items: center; height: 80px;
}

.logo-img { max-height: 45px; width: auto; }

.nav-links { display: flex; gap: 30px; align-items: center; }
.nav-links a {
    font-weight: 500; color: var(--primary-color); position: relative; font-size: 1rem;
}
.nav-links a:hover { color: var(--accent-color); }

/* Header Call Button */
.header-btn {
    display: flex; align-items: center; gap: 8px;
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
    padding: 8px 20px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
}
.header-btn:hover {
    background-color: var(--accent-color);
    color: var(--white);
}

/* --- 4. HERO SEKCE (Centred - Rollback) --- */
.hero {
    padding: 220px 0 160px;
    /* Vrátíme pozadí s obrázkem a tmavým překryvem */
    background: linear-gradient(rgba(15, 23, 42, 0.85), rgba(26, 54, 66, 0.9)), url('https://images.unsplash.com/photo-1554224155-8d04cb21cd6c?q=80&w=2070&auto=format&fit=crop') no-repeat center center/cover;
    text-align: center;
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.hero h1 {
    font-size: 3.5rem;
    color: var(--white);
    margin-bottom: 25px;
    line-height: 1.15;
}

.hero p {
    font-size: 1.25rem;
    color: #cbd5e1;
    max-width: 700px;
    margin: 0 auto 40px;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    align-items: center; /* Vycentrování tlačítek */
    gap: 20px;
    margin-top: 40px;
}

.trust-badges {
    display: flex;
    gap: 20px;
    font-size: 0.9rem;
    color: #94a3b8; /* Světlejší šedá pro lepší čitelnost na tmavém */
    font-weight: 500;
    justify-content: center;
}
.trust-badges i { color: var(--accent-color); margin-right: 6px; }

/* --- RESPONSIVE PRO HERO --- */
@media (max-width: 992px) {
    .hero { padding: 180px 0 100px; }
    .hero h1 { font-size: 2.8rem; }
    
    /* Na mobilu dáme trust badges pod sebe, pokud se nevejdou */
    .trust-badges { flex-wrap: wrap; }
}

/* --- 5. KLIENTI (Logo Carousel) --- */
.clients-section {
    padding: 60px 0;
    background-color: var(--white);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    overflow: hidden;
}

.clients-title {
    text-align: center;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #94a3b8;
    font-weight: 600;
    margin-bottom: 40px;
}

.slider {
    height: 80px;
    margin: auto;
    overflow: hidden;
    position: relative;
    width: 100%;
}

.slider::before, .slider::after {
    background: linear-gradient(to right, rgba(255,255,255,1) 0%, rgba(255,255,255,0) 100%);
    content: "";
    height: 100%;
    position: absolute;
    width: 100px;
    z-index: 2;
}
.slider::after { right: 0; top: 0; transform: rotate(180deg); }
.slider::before { left: 0; top: 0; }

.slide-track {
    display: flex;
    width: calc(250px * 12);
    animation: scroll 30s linear infinite;
}

.slide {
    height: 80px;
    width: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 30px;
}

.slide img {
    max-height: 45px;
    max-width: 100%;
    filter: grayscale(100%) opacity(0.6);
    transition: all 0.3s ease;
    cursor: pointer;
}

.slide img:hover { filter: grayscale(0%) opacity(1); transform: scale(1.1); }

@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(calc(-250px * 6)); }
}

/* --- 6. GLOBÁLNÍ SEKCE & FEATURES --- */
.section-padding { padding: 100px 0; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-header h2 { font-size: 2.8rem; margin-bottom: 15px; }
.section-header .divider {
    width: 60px; height: 4px; background: var(--accent-gradient); margin: 0 auto 20px; border-radius: 2px;
}
.section-header p { color: #64748b; max-width: 600px; margin: 0 auto; }

.features-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 40px;
}
.feature-item { text-align: center; padding: 20px; }
.feature-icon { font-size: 3rem; color: var(--accent-color); margin-bottom: 20px; }

/* --- 7. SLUŽBY --- */
.services { background-color: var(--bg-light); }
.services-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px;
}
.service-card {
    background: var(--white); border-radius: 20px; padding: 30px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.02); transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.03); display: flex; flex-direction: column;
}
.service-card:hover {
    transform: translateY(-8px); box-shadow: 0 20px 40px rgba(0,0,0,0.08);
}
.highlight-card { border: 1px solid #fed7aa; background: #fffaf0; }

.service-content h3 { font-size: 1.4rem; margin-bottom: 20px; display: flex; align-items: center; }
.service-card ul li {
    margin-bottom: 10px; padding-left: 25px; position: relative; font-size: 0.95rem; color: #475569;
}
.service-card ul li::before {
    content: "✓"; color: var(--accent-color); position: absolute; left: 0; font-weight: 800;
}

/* --- 8. REFERENCE --- */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}
.testimonial-card {
    background: #f8fafc; padding: 40px; border-radius: 20px;
    position: relative; border: 1px solid #e2e8f0; transition: var(--transition);
}
.testimonial-card:hover {
    transform: translateY(-5px); box-shadow: 0 10px 30px rgba(0,0,0,0.05); border-color: var(--accent-color);
}
.quote-icon { font-size: 2rem; color: var(--accent-color); opacity: 0.2; margin-bottom: 20px; }
.review-text { font-size: 1.05rem; font-style: italic; color: #334155; margin-bottom: 25px; line-height: 1.6; }
.reviewer strong { display: block; color: var(--primary-color); font-size: 1.1rem; }
.reviewer span { font-size: 0.85rem; color: #64748b; text-transform: uppercase; letter-spacing: 0.5px; }

/* --- 9. KONTAKT --- */
.contact-wrapper {
    display: grid; grid-template-columns: 1fr 1.5fr; gap: 60px;
}
.contact-info {
    background-color: var(--primary-color); color: var(--white);
    padding: 50px; border-radius: 24px;
}
.contact-info h3 { color: var(--white); }
.info-block { margin-bottom: 25px; }
.info-label {
    text-transform: uppercase; font-size: 0.75rem; letter-spacing: 1.5px;
    color: var(--accent-color); display: block; margin-bottom: 5px; font-weight: 700;
}
.info-value a { color: #fff; transition: var(--transition); }
.info-value a:hover { color: var(--accent-color); }

/* Chat buttons (WhatsApp, Signal) */
.chat-buttons { display: flex; gap: 10px; margin-top: 10px; flex-wrap: wrap; }
.chat-btn {
    display: inline-flex; align-items: center; gap: 8px; padding: 8px 16px;
    border-radius: 8px; font-size: 0.85rem; font-weight: 600; text-decoration: none;
    transition: var(--transition); color: white; border: 1px solid rgba(255,255,255,0.2);
}
.chat-btn.whatsapp { background-color: rgba(37, 211, 102, 0.2); }
.chat-btn.whatsapp:hover { background-color: #25D366; border-color: #25D366; transform: translateY(-2px); }
.chat-btn.signal { background-color: rgba(58, 118, 240, 0.2); }
.chat-btn.signal:hover { background-color: #3A76F0; border-color: #3A76F0; transform: translateY(-2px); }

/* Social Links */
.social-links { display: flex; gap: 15px; }
.social-links a {
    width: 40px; height: 40px; background: rgba(255,255,255,0.1);
    display: flex; align-items: center; justify-content: center;
    border-radius: 50%; color: white; transition: var(--transition);
}
.social-links a:hover { background: var(--accent-color); transform: scale(1.1); }

/* Form */
.contact-form {
    background: #fff; padding: 40px; border-radius: 24px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.04); border: 1px solid #f1f5f9;
}
.contact-form input, .contact-form select, .contact-form textarea {
    width: 100%; padding: 14px; border: 2px solid #e2e8f0;
    background: #f8fafc; border-radius: 10px; font-family: inherit;
    margin-bottom: 15px; outline: none; transition: var(--transition);
}
.contact-form input:focus, .contact-form textarea:focus {
    border-color: var(--accent-color); background: #fff;
}
.success-msg {
    background-color: #dcfce7; color: #166534; padding: 15px;
    border-radius: 8px; margin-bottom: 20px;
}

/* --- 10. PATIČKA --- */
footer {
    background: var(--primary-color); color: #94a3b8; padding: 60px 0 30px;
}
.footer-socials { margin: 20px 0; }
.footer-socials a {
    color: white; font-size: 1.2rem; margin: 0 10px; opacity: 0.7; transition: var(--transition);
}
.footer-socials a:hover { opacity: 1; color: var(--accent-color); }
.copyright { border-top: 1px solid #334155; padding-top: 20px; font-size: 0.85rem; }

/* --- 11. STICKY MOBILE BAR --- */
.mobile-sticky-bar {
    display: none; /* Na PC skryto */
    position: fixed;
    bottom: 20px;
    left: 20px; right: 20px;
    background: #fff; padding: 8px; border-radius: 50px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    z-index: 9999;
    justify-content: space-between; gap: 10px;
    border: 1px solid rgba(0,0,0,0.05);
}

.sticky-btn {
    flex: 1; display: flex; align-items: center; justify-content: center;
    padding: 12px; border-radius: 40px; font-weight: 700; font-size: 1rem;
    text-decoration: none; transition: var(--transition);
}
.sticky-btn i { margin-right: 8px; }
.sticky-btn.call { background: var(--accent-gradient); color: #fff; box-shadow: 0 4px 15px rgba(249, 115, 22, 0.3); }
.sticky-btn.email { background: #f1f5f9; color: var(--primary-color); }

/* --- 12. MEDIA QUERIES --- */
@media (max-width: 992px) {
    /* Hero */
    .hero { padding-top: 140px; }
    .hero-grid { grid-template-columns: 1fr; gap: 40px; text-align: center; }
    
    .hero-content { 
        text-align: center; 
        order: 1; 
        padding-bottom: 40px; /* Zmenšení odsazení na mobilu */
    }
    .hero-image-wrapper { 
        order: 2; 
        padding: 0 20px; 
        align-self: end; /* I na mobilu obrázek dole */
    }
    .hero-img { max-width: 400px; margin: 0 auto; }
    .hero h1 { font-size: 2.8rem; }
    .hero-buttons { align-items: center; }
    .trust-badges { justify-content: center; }

    /* Layout */
    .contact-wrapper { grid-template-columns: 1fr; }
    .nav-links { display: none; }
    .header-btn { margin-left: auto; }
}

@media (max-width: 768px) {
    /* Carousel mobil */
    .slide img { max-height: 35px; }
    .slide-track { width: calc(150px * 12); }
    .slide { width: 150px; padding: 0 15px; }
    @keyframes scroll {
        0% { transform: translateX(0); }
        100% { transform: translateX(calc(-150px * 6)); }
    }

    /* Sticky Bar aktivace */
    .mobile-sticky-bar { display: flex; }
    footer { padding-bottom: 100px; } /* Odsazení, aby patička nebyla pod tlačítky */
}