body, head {
    font-family: Montserrat, sans-serif;
}

.header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

.TitelK {
    text-align: center;
    font-size: 30px;
    color: black;
    background-color: #0066FF;
    padding: 30px;
    padding-top: 20px;
    margin: 0;
    background: linear-gradient(to right, #546db9, #0f38c0);
}

.searchbar1:hover {
  background-color: lightseagreen;
  color: white;
  border-radius: 15px;
  padding: 10px 20px;
  transition: background-color 0.3s ease, padding 0.3s ease
}
.searchbar2:hover {
  background-color:#33CCFF;
  color: white;
  border-radius: 15px;
  padding: 10px 20px;
  transition: background-color 0.3s ease, padding 0.3s ease
}
.searchbar3:hover {
  background-color: #00E676;
  color: white;
  border-radius: 15px;
  padding: 10px 20px;
  transition: background-color 0.3s ease, padding 0.3s ease
}
.searchbar4:hover {
  background-color: #2962FF;
  color: white;
  border-radius: 15px;
  padding: 10px 20px;
  transition: background-color 0.3s ease, padding 0.3s ease
}
.searchbar5:hover {
  background-color: darkorchid;
  color: white;
  border-radius: 15px;
  padding: 10px 20px;
  transition: background-color 0.3s ease, padding 0.3s ease
}

.searchbar {
    background-color: transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    gap: 20px;
    position: fixed;
    top: 3%;
    right: 40px;
    width: auto;
    z-index: 1001;
}
.searchbar button {
    border: none;
    background: transparent;
    font-family: inherit;
    color: inherit;
    cursor: pointer;
    outline: none;
}
.searchbar1 {
    text-align: center;
    font-size: 22px;
    background-color: transparent;
    padding: 3px 5px;
}
.searchbar2 {
    text-align: center;
    font-size: 22px;
    background-color: transparent;
    padding: 3px 5px;
}
.searchbar3 {
    text-align: center;
    font-size: 22px;
    background-color: transparent;
    padding: 3px 5px;
}
.searchbar4 {
    text-align: center;
    font-size: 22px;
    background-color: transparent;
    padding: 3px 5px;
}
.searchbar5 {
    text-align: center;
    font-size: 22px;
    background-color: transparent;
    padding: 3px 5px;
}


.windows-error {
    text-align: center;
    font-size: 25px;
    color: black;
    background-color: red;
    padding: 7px;
    margin: 0;
    border: 3px solid black;

}

#os-error {
    display: none;
    background-color: red;
    color: black;
    padding: 10px;
}

.titleB-container {
    background-color: royalblue;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 50px;
    gap: 20px;
    background: linear-gradient(to right, #6485e9, #1236af);
}

.title-text {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.title-text .TitelB {
    text-align: center;
    font-size: 150px;
    color: black;
    background-color: transparent;
    margin: 0;
    padding: 0;
}

.TitelS {
    color: black;
    font-size: 32px;
    margin: 0;
}

body {
    margin: 0;
    padding-top: 80px;
}

.b1 {
    text-align: left;
    font-size: 50px;
    font-weight: bold;
    color: black;
    background-color: #33CCFF;
    padding: 45px;
}

.b2 {
    text-align: left;
    font-size: 50px;
    font-weight: bold;
    color: black;
    background-color: #00E676;
    padding: 45px;
}

.b3 {
    text-align: right;
    font-size: 75px;
    font-weight: bold;
    color: black;
    background-color: #2962FF;
    padding: 45px;
}

.b4 {
    text-align: right;
    font-size: 65px;
    font-weight: bold;
    color: black;
    background-color: darkorchid;
    padding: 45px;
}

/* container using flex so items automatically size to fit beside each other */
.b-row{
    display: flex;
    flex-wrap: wrap;       /* keep all on one row */
    justify-content: space-around;
    gap: 35px;
    padding: 30px 40px;       /* keep side boxes from touching viewport edges */
    align-items: center;   /* vertical centering of items */
    background-color: transparent;
}
.b-row button {
    display: flex;          /* use flex to center text vertically */
    flex: 1;        /* make them equal width and fit in one row */
    height: 200px;          /* fixed height for uniform boxes */
    min-width: 0;
    box-sizing: border-box;
    text-align: center;     /* center text horizontally */
    align-items: center;
    justify-content: center;
    border-radius: 25px;    /* rounded corners */
    margin-top: 15px;
    border: none;
    outline: none;
    cursor: pointer;
}
.b-row button:hover {
    transform: scale(1.08);   /* makes it grow */
    box-shadow: 0 8px 25px rgba(0,0,0,0.3); /* shadow = floating */
}
.b-row button {
    position: relative; /* IMPORTANT for positioning the arrow */
    overflow: hidden;
}

/* Arrow (hidden by default) */
.b-row button::after {
    content: "↗"; /* arrow symbol */
    position: absolute;
    top: 10px;
    right: 12px;
    font-size: 20px;
    opacity: 0;
    transform: translateY(-5px);
    transition: all 0.3s ease;
}

/* Show arrow on hover */
.b-row button:hover::after {
    opacity: 1;
    transform: translateY(0);
}

/* make all paragraphs render in a single line by default if not wrapped */
/*.b-row p {
    display: inline;
}
*/
.card {
    margin: 60px auto;
    width: 90%;
    max-width: 950px; 
    background-color: #e9ecef; 
    border-radius: 12px;
    overflow: hidden; 
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    font-family: sans-serif;
}

.card-content {
  padding: 30px;
}

.card-content h2 {
  margin: 0 0 12px 0;
  font-size: 1.5rem;
  color: #1a1a1a;
}

.card-content p {
  margin: 0;
  line-height: 1.6;
  color: #4a4a4a;
}

/* Media queries for responsiveness */
@media (max-width: 768px) {
    .b-row {
        padding: 20px 10px;
        gap: 10px;
    }
    .b-row button {
        flex: 1 1 100%;
        min-width: 0;
        height: 150px;
        font-size: 18px;
    }
    .TitelK {
        font-size: 24px;
        padding: 20px;
    }
    .searchbar {
        flex-direction: column;
        top: 10px;
        right: 10px;
        gap: 10px;
    }
    .searchbar h2 {
        font-size: 16px;
        padding: 5px;
    }
}

@media (max-width: 480px) {
    .b-row {
        padding: 10px 5px;
    }
    .b-row button {
        height: 120px;
        font-size: 16px;
    }
    .TitelK {
        font-size: 20px;
        padding: 15px;
    }
    .searchbar {
        top: 5px;
        right: 5px;
        gap: 5px;
    }
    .searchbar h2 {
        font-size: 14px;
        padding: 3px;
    }
    @media (max-width: 768px) {
    .searchbar {
        position: static;  /* VERY IMPORTANT */
    }
}

}
.igor-fpv {
    display: block;
    width: 100%;
    height: auto;
    margin: 0; 
}

.footer1 {
    text-align: center;
    font-size: 25px;
    color: white;
    background-color: transparent;
}
.footer2 {
    color: white;
    font-size: 15px;
    margin: 0;
}

.footer {
    background-color: black;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    gap: 20px;
    padding-bottom: 40px;
    margin: 0;
}