body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    background-color: #f4f6f8;
    color: #2c3f50;
}

a {
    text-decoration: none;
    color: inherit;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    background: #ffffff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #2c3f50;
}

.nav a {
    margin-right: 20px;
    font-weight: 500;
    color: #3d5873;
}

.auth .login {
    margin-right: 20px;
    color: #3d5873;
}

.auth .register {
    background-color: #2c3f50;
    color: white;
    padding: 10px 18px;
    border-radius: 8px;
    font-weight: bold;
}

.hero {
    display: flex;
    flex-wrap: wrap;
    padding: 60px 40px;
    align-items: center;
    justify-content: center;
    background-color: #ffffff;
}

.hero-text {
    max-width: 500px;
    margin-right: 40px;
}

.hero-text h1 {
    font-size: 40px;
    margin-bottom: 20px;
    color: #2c3f50;
}


.hero-text p {
    font-size: 18px;
    color: #5d6d7e;
    margin-bottom: 30px;
}

.hero-buttons a.register.big {
    background-color: #2c3f50;
    color: white;
    padding: 14px 24px;
    border-radius: 10px;
    font-weight: 600;
    margin-right: 20px;
}

.hero-buttons .login-link {
    color: #2c3f50;
    font-weight: 600;
}

.hero-image img {
    width: 100%;
    max-width: 500px;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.features {
    padding: 60px 40px;
    text-align: center;
    background-color: #f4f6f8;
}

.features h2 {
    font-size: 32px;
    margin-bottom: 40px;
    color: #2c3f50;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
}

.feature {
    background-color: #ffffff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
}

.feature h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #3d5873;
}

.feature p {
    color: #5d6d7e;
}

/* CSS dla specjalnego nagłówka */

.custom-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    background: #ffffff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    border: 1px solid #e0e0e0;
    margin-bottom: 20px;
}

.custom-logo {
    font-size: 24px;
    font-weight: bold;
}

.custom-logo-link {
    text-decoration: none;
    color: #2c3f50;
    font-family: 'Inter', sans-serif;
}

.custom-auth {
    display: flex;
    align-items: center;
}

.custom-login {
    margin-right: 20px;
    color: #3d5873;
    font-size: 16px;
    text-decoration: none;
    transition: color 0.3s;
}

.custom-login:hover {
    color: #2c3f50;
}

.custom-register {
    background-color: #2c3f50;
    color: white;
    padding: 10px 18px;
    border-radius: 8px;
    font-weight: bold;
    font-size: 16px;
    text-decoration: none;
    transition: background-color 0.3s, transform 0.2s;
}

.custom-register:hover {
    background-color: #1c2935;
    transform: scale(1.05);
}