/* Základní nastavení */
:root {
    --primary-color: #0056b3; /* Tmavě modrá */
    --secondary-color: #f0f0f0; /* Světle šedá */
    --dark-color: #333;
    --light-color: #fff;
    --font-family: 'Arial', sans-serif;
}

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

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--light-color);
}

html {
    scroll-behavior: smooth;
}

/* Základní styly */
h1, h2, h3 {
    line-height: 1.2;
    margin-bottom: 1rem;
}

h2 {
    text-align: center;
    font-size: 2rem;
}

p {
    margin-bottom: 1rem;
}

a {
    text-decoration: none;
    color: var(--primary-color);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Hlavička a navigace */
header {
    background-color: var(--light-color);
    padding: 1rem;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.logo h1 {
    color: var(--primary-color);
    margin: 0;
}

nav ul {
    list-style: none;
    display: flex;
}

nav ul li {
    margin-left: 1.5rem;
}

nav ul li a {
    color: var(--dark-color);
    font-weight: bold;
    transition: color 0.3s ease;
}

nav ul li a:hover {
    color: var(--primary-color);
}

/* Hero sekce */
#hero {
    background: linear-gradient(rgba(0, 86, 179, 0.7), rgba(0, 86, 179, 0.7)), url('./suseni.jpg') no-repeat center center/cover;
    color: var(--light-color);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 1rem;
}

.hero-content {
    max-width: 800px;
}

.hero-content h2 {
    font-size: 2.5rem;
}

.btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--light-color);
    padding: 0.8rem 1.5rem;
    border-radius: 5px;
    font-weight: bold;
    transition: background-color 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn:hover {
    background-color: #004494;
}

/* Sekce */
section {
    padding: 4rem 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

#nabidka {
    background-color: var(--secondary-color);
}

.vysousec-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

.vysousec-item {
    background-color: var(--light-color);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    text-align: center;
}

.vysousec-item img {
    margin: 0 auto 1rem;
    border-radius: 5px;
}

.vysousec-item h3 {
    color: var(--primary-color);
}

.vysousec-item span {
    display: block;
    font-weight: bold;
    margin-top: 1rem;
}

/* Formulář */
#rezervace {
    max-width: 800px;
}

#rezervacni-formular {
    display: grid;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 0.5rem;
    font-weight: bold;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.8rem;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 1rem;
}

#form-status {
    margin-top: 1rem;
    text-align: center;
    font-weight: bold;
}

/* Kontakt */
#kontakt {
    background-color: var(--dark-color);
    color: var(--light-color);
    text-align: center;
}

#kontakt h2 {
    color: var(--light-color);
}

.kontakt-info a {
    color: var(--light-color);
}

/* Patička */
footer {
    background-color: var(--dark-color);
    color: var(--light-color);
    text-align: center;
    padding: 1rem;
    border-top: 1px solid #555;
}

/* Media Queries pro responzivitu */
@media (min-width: 768px) {
    h2 {
        font-size: 2.5rem;
    }

    .hero-content h2 {
        font-size: 3.5rem;
    }

    .vysousec-list {
        grid-template-columns: repeat(3, 1fr);
    }

    #rezervacni-formular {
        grid-template-columns: 1fr 1fr;
        gap: 1.5rem;
    }

    .form-group:nth-child(5),
    .form-group:nth-child(6) {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    nav ul {
        display: none; /* Zjednodušení pro mobilní verzi, pro plnou funkčnost by byl potřeba JS pro hamburger menu */
    }
}