:root {
    --primary: #ff5f2e;
    --dark: #0f172a;
    --gray: #1e293b;
    --light: #f8fafc;
}

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

body {
    font-family: 'Inter', sans-serif;
    color: white;
    background: var(--dark);
    line-height: 1.6;
}

.container { width: 90%; max-width: 1300px; margin: 0 auto; }

/* NAVIGACE */
.nav {
    position: fixed;
    top: 0; width: 100%;
    background: rgba(15,23,42,0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 1000;
}
.nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
}
.logo {
    font-size: 1.8rem;
    font-weight: 900;
    color: white;
    letter-spacing: 3px;
}
.nav-menu {
    display: flex;
    gap: 3rem;
}
.nav-menu a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: 0.3s;
}
.nav-menu a:hover, .nav-menu a.active { color: var(--primary); }
.hamburger { display: none; font-size: 1.8rem; color: white; cursor: pointer; }

/* HERO – perfektně na mobil i PC */
.hero {
    height: 100vh;
    min-height: 650px;
    background: url('/images/hero.jpg') center/cover no-repeat fixed;
    display: flex;
    align-items: center;
    text-align: center;
    color: white;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom,
        rgba(15,23,42,0.20) 0%,
        rgba(15,23,42,0.40) 60%,
        rgba(15,23,42,0.70) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
    padding: 0 20px;
}

.hero h1 {
    font-size: clamp(3.5rem, 8vw, 5.5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1rem;
    text-shadow: 0 4px 20px rgba(0,0,0,0.8);
}
.hero h1 span {
    color: var(--primary);
    display: block;
    font-size: clamp(4rem, 9vw, 6rem);
}
.hero p {
    font-size: clamp(1.2rem, 4vw, 1.5rem);
    max-width: 900px;
    margin: 2rem auto 3rem;
    font-weight: 300;
    text-shadow: 0 2px 10px rgba(0,0,0,0.7);
}

.hero-buttons {
    display: flex;
    gap: 25px;
    justify-content: center;
    flex-wrap: wrap;
}

/* TLAČÍTKA */
.btn {
    background: var(--primary);
    color: white;
    padding: 18px 42px;
    border: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    text-decoration: none;
    display: inline-block;
    transition: all 0.4s;
    box-shadow: 0 10px 30px rgba(255,95,46,0.35);
}
.btn:hover {
    background: #e04e20;
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(255,95,46,0.5);
}
.btn.fb-share {
    background: #1877f2;
    box-shadow: 0 10px 30px rgba(24,119,242,0.35);
}
.btn.fb-share:hover {
    background: #166fe5;
    transform: translateY(-8px);
}

/* OSTATNÍ SEKCIE */
section { padding: 120px 0; }
h2 { font-size: 3rem; text-align: center; margin-bottom: 4rem; color: white; }

/* SLUŽBY */
.services { background: var(--gray); }
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}
.card {
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 20px;
    padding: 3rem 2rem;
    text-align: center;
    transition: 0.4s;
}
.card:hover {
    transform: translateY(-15px);
    background: rgba(255,95,46,0.15);
    border-color: var(--primary);
}
.card i { font-size: 3.5rem; color: var(--primary); margin-bottom: 1.5rem; }

/* O NÁS */
.about { background: var(--dark); }
.grid-about {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}
.grid-about ul { list-style: none; font-size: 1.3rem; }
.grid-about li { padding: 0.8rem 0; border-bottom: 1px solid rgba(255,255,255,0.1); }
.grid-about img { width: 100%; border-radius: 20px; box-shadow: 0 20px 40px rgba(0,0,0,0.3); }

/* FOOTER */
footer {
    background: #0b1120;
    color: #64748b;
    text-align: center;
    padding: 3rem 0;
}
footer a { color: var(--primary); text-decoration: none; }

/* WHATSAPP */
.whatsapp-float {
    position: fixed;
    width: 60px; height: 60px;
    bottom: 30px; right: 30px;
    background-color: #25d366;
    color: white;
    border-radius: 50%;
    font-size: 30px;
    box-shadow: 0 4px 15px rgba(37,211,102,0.4);
    z-index: 1000;
    transition: 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}
.whatsapp-float:hover { transform: scale(1.1); background-color: #128c7e; }

/* MOBIL */
@media (max-width: 768px) {
    .hamburger { display: block; }
    .nav-menu {
        position: absolute;
        top: 100%; left: 0; width: 100%;
        background: var(--dark);
        flex-direction: column;
        max-height: 0; overflow: hidden;
        transition: 0.5s;
    }
    .nav-menu.active { max-height: 500px; padding: 2rem 0; }
    .nav-menu a { margin: 1rem 0; }

    .hero {
        align-items: flex-end;
        padding-bottom: 10vh;
    }
    .hero h1 {
        font-size: clamp(2.4rem, 7vw, 3.2rem);
    }
    .hero h1 span {
        font-size: clamp(2.8rem, 8.5vw, 4rem);
    }
    .hero p {
        font-size: 1.1rem;
        margin: 1.5rem auto 2.5rem;
    }
    .hero-buttons { gap: 15px; }
    .btn { padding: 16px 32px; font-size: 1rem; }
    .grid-about { grid-template-columns: 1fr; }
    .grid-about .image { order: -1; margin-bottom: 2rem; }
    .whatsapp-float { width: 55px; height: 55px; font-size: 28px; bottom: 20px; right: 20px; }
}
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.8rem;
    font-weight: 900;
    color: white;
    letter-spacing: 3px;
}
.logo-img {
    height: 40px; /* uprav podle velikosti svého loga */
    width: auto;
}
/* RESPONSIVNÍ LOGO */
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.8rem;
    font-weight: 900;
    color: white;
    letter-spacing: 3px;
}

.logo-img {
    height: 38px;           /* na počítači */
    width: auto;
    transition: height 0.3s;
}

/* Na mobilu zmenšíme logo i text */
@media (max-width: 768px) {
    .logo {
        font-size: 1.5rem;      /* menší text */
        gap: 8px;
    }
    .logo-img {
        height: 32px;           /* logo menší na mobilu */
    }
}

/* Ještě menší na velmi malých mobilech */
@media (max-width: 480px) {
    .logo {
        font-size: 1.4rem;
    }
    .logo-img {
        height: 28px;
    }
}
/* ==================== KONTAKTNÍ STRÁNKA ==================== */
.contact-section {
    padding: 140px 0 120px;
    min-height: 100vh;
}
.contact-section h1 {
    font-size: 3.5rem;
    text-align: center;
    margin-bottom: 1rem;
    color: white;
}
.contact-section .subtitle {
    text-align: center;
    font-size: 1.3rem;
    color: #cbd5e1;
    max-width: 800px;
    margin: 0 auto 4rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: start;
}
.form-wrapper {
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 20px;
    padding: 2.5rem;
}
.form-wrapper input,
.form-wrapper select,
.form-wrapper textarea {
    width: 100%;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 12px;
    padding: 14px 16px;
    margin-bottom: 1rem;
    color: white;
    font-family: inherit;
    font-size: 1rem;
}
.form-wrapper input::placeholder,
.form-wrapper textarea::placeholder {
    color: #94a3b8;
}
.form-wrapper select {
    color: white;
}
.form-wrapper textarea {
    resize: vertical;
}
.form-wrapper button {
    width: 100%;
    margin-top: 1rem;
}

.contact-info {
    color: #cbd5e1;
    font-size: 1.2rem;
}
.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    color: white;
}
.contact-info p {
    margin-bottom: 1.2rem;
    display: flex;
    align-items: center;
    gap: 12px;
}
.contact-info i {
    width: 20px;
    color: var(--primary);
}
.contact-info a {
    color: var(--primary);
    text-decoration: none;
    transition: 0.3s;
}
.contact-info a:hover {
    color: #e04e20;
}

/* Mobil – formulář pod sebou */
@media (max-width: 992px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}
@media (max-width: 768px) {
    .contact-section h1 {
        font-size: 2.8rem;
    }
    .form-wrapper {
        padding: 2rem;
    }
}
/* Větší mezera pod tlačítkem v sekci O nás */
.about .text {
    display: flex;
    flex-direction: column;
}

.about .btn {
    margin-top: 3rem;        /* původně bylo méně → teď je tlačítko hezky oddělené */
    align-self: flex-start;  /* tlačítko zůstane vlevo, ne na střed */
}

/* Na mobilu ještě větší mezera pro lepší čitelnost */
@media (max-width: 768px) {
    .about .btn {
        margin-top: 2.5rem;
        width: 100%;
        text-align: center;
    }
}