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

:root {
    --primary-color: #d4af37; /* Zlatá */
    --secondary-color: #1a1a1a; /* Tmavě černá */
    --accent-color: #ff6b6b; /* Červená pro akcenty */
    --text-light: #ffffff;
    --text-dark: #333333;
    --bg-light: #f9f9f9;
    --gradient: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
}

/* Header */
header {
    background: var(--gradient);
    padding: 1rem 5%;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--primary-color);
}

/* Buttons */
.cta-button, .cta-button-large {
    background: var(--primary-color);
    color: var(--secondary-color);
    padding: 0.8rem 2rem;
    border: none;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-block;
}

.cta-button-large {
    padding: 1rem 3rem;
    font-size: 1.1rem;
}

.cta-button:hover, .cta-button-large:hover {
    background: #c49b2e;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.3);
}

/* Hero Section */
.hero {
    margin-top: 80px;
    background: var(--gradient);
    color: var(--text-light);
    padding: 6rem 5% 4rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    min-height: 70vh;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.placeholder-image {
    font-size: 15rem;
    opacity: 0.3;
}

/* Services Section */
.services {
    padding: 5rem 5%;
    background: var(--bg-light);
}

.services h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--secondary-color);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.service-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
}

.service-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.service-card h3 {
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

/* How it works */
.how-it-works {
    padding: 5rem 5%;
    background: white;
}

.how-it-works h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--secondary-color);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.step {
    text-align: center;
    padding: 1.5rem;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 1rem;
}

.step h3 {
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

/* Contact Section */
.contact {
    padding: 5rem 5%;
    background: var(--gradient);
    color: var(--text-light);
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.contact-subtitle {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 3rem;
    opacity: 0.9;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-family: inherit;
}

.form-group textarea {
    resize: vertical;
}

.contact-form button {
    width: 100%;
}

.form-message {
    text-align: center;
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 10px;
    display: none;
}

.form-message.success {
    background: #4caf50;
    color: white;
    display: block;
}

.form-message.error {
    background: #f44336;
    color: white;
    display: block;
}

/* Footer */
footer {
    background: var(--secondary-color);
    color: var(--text-light);
    text-align: center;
    padding: 2rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 4rem 5% 3rem;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .placeholder-image {
        font-size: 8rem;
    }

    .services h2,
    .how-it-works h2,
    .contact h2 {
        font-size: 2rem;
    }

    nav {
        flex-direction: column;
        gap: 1rem;
    }
}