* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
}


/* =========================
   OTEVÍRACÍ TLAČÍTKO
   ========================= */

.open-button {
    display: inline-block;
    padding: 14px 25px;
    background: #CA0000;
    color: #FFF;
    text-decoration: none;
    border-radius: 15px;
}

.open-button:hover {
    background: #00009B;
    color: #FFF;
}


/* =========================
   MODAL
   ========================= */

.modal-overlay {
    display: none;

    position: fixed;
    z-index: 99999;

    top: 0;
    left: 0;

    width: 100%;
    height: 100%;

    background: rgba(0, 0, 0, 0.75);

    align-items: center;
    justify-content: center;

    padding: 5vh 5vw;
}


/* =========================
   OKNO 90 % × 90 %
   ========================= */

.modal-window {
    position: relative;

    width: 90vw;
    height: 75vh;

    max-width: none;
    max-height: none;

    background: #fff;

    border-radius: 8px;

    padding: 50px;

    overflow-y: auto;

    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.4);
}


/* =========================
   ZAVŘÍT
   ========================= */

.modal-close {
    position: absolute;

    top: 15px;
    right: 20px;

    width: 40px;
    height: 40px;

    border: 0;

    background: transparent;

    font-size: 35px;
    line-height: 35px;

    cursor: pointer;

    color: #333;
}

.modal-close:hover {
    color: #000;
}


/* =========================
   FORMULÁŘ
   ========================= */

.form-row {
    margin-bottom: 20px;
}

.form-row label {
    display: block;

    margin-bottom: 7px;

    font-weight: bold;
}

.form-row input,
.form-row textarea {
    width: 100%;

    padding: 12px;

    border: 1px solid #ccc;

    border-radius: 4px;

    font-family: inherit;
    font-size: 16px;
}

.form-row textarea {
    resize: vertical;
}


/* =========================
   HONEYPOT
   ========================= */

.honeypot {
    position: absolute;

    left: -10000px;
    top: auto;

    width: 1px;
    height: 1px;

    overflow: hidden;
}


/* =========================
   TURNSTILE
   ========================= */

.turnstile-wrapper {
    margin: 20px 0;
}


/* =========================
   CHYBA
   ========================= */

.form-error {
    margin: 10px 0;

    color: #c00000;

    font-weight: bold;
}


/* =========================
   ODESLÁNÍ
   ========================= */

.submit-button {
    padding: 13px 30px;

    border: 0;
    border-radius: 5px;

    background: #222;
    color: #fff;

    font-size: 16px;

    cursor: pointer;
}

.submit-button:hover:not(:disabled) {
    background: #444;
}

.submit-button:disabled {
    background: #aaa;

    cursor: not-allowed;
}


/* =========================
   PODĚKOVÁNÍ
   ========================= */

.thank-you {
    text-align: center;

    padding-top: 100px;
}

.thank-you h2 {
    font-size: 32px;
}


/* =========================
   MOBIL
   ========================= */

@media (max-width: 600px) {

    .modal-overlay {
        padding: 2vh 2vw;
    }

    .modal-window {
        width: 96vw;
        height: 96vh;

        padding: 40px 20px 20px;
    }

}