:root {
    --primary: #f59e0b;
    --dark: #1f2937;
    --light: #f9fafb;
    --white: #ffffff;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

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

/* Header & Nav */
header {
    background: var(--dark);
    color: var(--white);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo h1 {
    font-size: 1.5rem;
    color: var(--primary);
}

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

nav ul li {
    margin-left: 2rem;
}

nav ul li a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

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

/* Hero Section */
.hero {
    background-size: cover;
    background-position: center;
    color: var(--white);
    padding: 5rem 2rem; /* Reduced from 8rem */
    text-align: center;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.6);
    z-index: 1;
}

.hero > * {
    position: relative;
    z-index: 2;
}

.hero h2 {
    font-size: 2.8rem;
    margin-bottom: 0.75rem;
}

.hero p {
    font-size: 1.1rem;
    max-width: 800px;
    margin: 0 auto 1.5rem;
}

.btn {
    display: inline-block;
    background: var(--primary);
    color: var(--dark);
    padding: 0.8rem 2rem;
    text-decoration: none;
    font-weight: bold;
    border-radius: 4px;
    transition: var(--transition);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* Grid Sections */
section {
    max-width: 1200px;
    margin: 2rem auto; /* Reduced from 4rem */
    padding: 2rem;
}

#sluzby {
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow);
}

h3.section-title {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    text-align: center;
    position: relative;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem; /* Slightly reduced gap */
}

.card {
    background: var(--light); /* Subtle contrast against white section */
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.05);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.card img {
    width: 100%;
    height: 180px; /* Slightly shorter to reduce vertical space */
    object-fit: cover;
}

.card-content {
    padding: 1.25rem;
}

.card-content h4 {
    margin-bottom: 0.4rem;
    font-size: 1.15rem;
    color: var(--dark);
}

/* Contact Footer & Form */
footer {
    background: var(--dark);
    color: var(--white);
    padding: 3rem 2rem 2rem;
    text-align: center;
}

.contact-form-container {
    max-width: 600px;
    margin: 2rem auto 3rem;
    background: rgba(255,255,255,0.05);
    padding: 2.5rem;
    border-radius: 12px;
    text-align: left;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255,255,255,0.1);
}

.form-group {
    margin-bottom: 1.2rem;
}

.form-row {
    display: flex;
    gap: 1.5rem;
}

.form-row .form-group {
    flex: 1;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--primary);
    font-weight: 600;
}

input, textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border-radius: 6px;
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(255,255,255,0.9);
    color: var(--dark);
    font-size: 1rem;
    outline: none;
    transition: var(--transition);
}

input:focus, textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.2);
}

.btn-submit {
    width: 100%;
    cursor: pointer;
    border: none;
    font-size: 1.1rem;
    margin-top: 1rem;
}

#form-response {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 6px;
    display: none;
    text-align: center;
}

#form-response.success {
    display: block;
    background: rgba(34, 197, 94, 0.2);
    color: #4ade80;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

#form-response.error {
    display: block;
    background: rgba(239, 68, 68, 0.2);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

@media (max-width: 600px) {
    .form-row { flex-direction: column; gap: 0; }
    .contact-form-container { padding: 1.5rem; }
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 2rem; /* Reduced gap */
    flex-wrap: wrap;
    margin-top: 1.5rem;
}

.contact-item {
    margin-bottom: 1.5rem;
}

.contact-item i {
    color: var(--primary);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.contact-info a {
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
}

.contact-info a:hover {
    color: var(--primary);
}

/* Mobile Toggle */
.menu-toggle {
    display: none;
    cursor: pointer;
    font-size: 1.5rem;
}

@media (max-width: 768px) {
    .menu-toggle { display: block; }
    nav ul {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--dark);
        padding: 1rem;
    }
    nav ul.active { display: flex; }
    nav ul li { margin: 1rem 0; text-align: center; }
    .hero h2 { font-size: 2rem; }
}