:root {
  --input-font-size: clamp(16px, 2vw, 18px);
  --input-padding-y: 10px;
  --input-border: 2px;
  --input-height: calc(var(--input-font-size) + (var(--input-padding-y) * 2) + (var(--input-border) * 2) + 2);
}

* {
    box-sizing: border-box;
}

body {
    background: linear-gradient(to bottom, var(--primary_color), var(--thirdly_color) 30%, var(--thirdly_color) 90%) no-repeat;
    color: #fff;
}

.contact {
    width: 90%;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    top: 100px;
    margin-bottom: 150px;
    padding: 20px;
    background: rgba(0, 0, 0, 0.7);
    border-radius: 10px;
    box-shadow: 0 8px 32px rgba(31, 38, 135, 0.37);
    border: 1px solid rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    text-align: center;
}
  
/* Stil für das Kontaktformular */
.contact-form {
  opacity: 1;
  width: 90%;
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  padding: 20px;
  background: rgba(0, 0, 0, 0.7);
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  display: block;
  overflow: visible;
}

.contact-form #msform {
  text-align: center;
  position: relative;
  padding-top: 50px;
  min-height: 800px;
  z-index: 1;
  overflow: hidden;
}

.contact-form #msform fieldset {
  border: 0;
  padding: 20px 70px 0;
  position: relative;
  width: 100%;
  left: 0;
  right: 0;
}

.contact-form #msform fieldset:not(:first-of-type) {
  display: none;
}

.visually-hidden {
  position: absolute !important;
  height: 1px; width: 1px;
  overflow: hidden; clip: rect(1px,1px,1px,1px);
  white-space: nowrap;
}

h1{
    text-align: center;
    margin-bottom: 20px;
    font-size: clamp(21px, 3vw, 35px);
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    color: var(--secondary_color);
}

.contact-form label {
    display: block;
    font-size: clamp(16px, 2vw, 18px);
    margin: 6px 0 4px;
}

.form-section {
  margin-top: 25px;
  margin-bottom: 10px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--secondary_color);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  padding-bottom: 4px;
}

.row-name,
.row-contact,
.row-datetime,
.row-guest {
  display: flex;
  gap: 0 20px;
}

.contact-form input[type="text"],
.contact-form input[type="tel"],
.contact-form input[type="email"],
.contact-form input[type="date"],
.contact-form input[type="time"],
.contact-form input[type="number"],
.contact-form select,
.contact-form textarea {
    width: 100%;
    height: var(--input-height);
    padding: var(--input-padding-y) 10px;
    border: var(--input-border) solid var(--fourthly_color);
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--fiftly_color);
    font-size: var(--input-font-size);
    line-height: var(--input-font-size);
    transition: border-color 0.3s;
    resize: none;
}


.contact-form input[type="text"]:focus,
.contact-form input[type="tel"]:focus,
.contact-form input[type="email"]:focus,
.contact-form input[type="date"]:focus,
.contact-form input[type="time"]:focus,
.contact-form input[type="number"]:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    border-color: var(--secondary_color);
    outline: none;
}

.form-field {
  position: relative;
  margin-bottom: 30px;
}

/* Optionen im Dropdown */
.contact-form select option {
    background: #1e1e2f; /* dunkler Hintergrund */
    color: var(--fiftly_color); /* helle Schrift */
    padding: 10px;
}

/* Optional – Hover-Effekt */
.contact-form select option:hover {
    background-color: var(--fourthly_color);
    color: #fff;
}

/* iOS Date/Time bremsen */
input[type="date"],
input[type="time"]{
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
  height: var(--input-height);
  line-height: var(--input-height);
}

.row-time, .row-guest-type {
  display: flex;
  gap: 0 20px;
  align-items: flex-start;
  flex-wrap: wrap;
}

.row-time > div, .row-guest-type > div {
  flex: 1;
  min-width: 120px;
}

.location input[type="text"] {
    width: 100%;
    padding: 10px;
}

.column-technik, .column-logistic {
    display: flex;
    align-items: center;
    flex-wrap: wrap; 
    justify-content: flex-start;
    margin-bottom: 30px;
    gap: 12px 24px;
}

.column-technik > label{
  margin: 0;
  white-space: nowrap;      /* keep "DJ-Pakete *" on one line */
}

.mobile-column-technik {
  display: flex;
  flex-wrap: nowrap;
  gap: 12px 24px;
  width: 100%;
  justify-content: center;
}

.mobile-column-logistic {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
}

.custom-checkbox-logistic {
  width: 45%;       /* zwei pro Zeile → exakt gleich breit */
  display: flex;
  align-items: center;
}

input[type="radio"], input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 1px; height: 1px;
}

/* Tastatur-Focus klar sichtbar auf der pseudo-Box */
input[type="radio"]:focus-visible + label::before,
input[type="checkbox"]:focus-visible + label::before {
  outline: 2px solid var(--secondary_color);
  outline-offset: 2px;
  box-shadow: 0 0 0 3px rgba(255,255,255,.25);
}

/* optional: kleiner visueller Hint auch auf dem Label selbst */
input[type="radio"]:focus-visible + label,
input[type="checkbox"]:focus-visible + label {
  text-decoration: underline;
}


.custom-checkbox-technik label, .custom-checkbox-logistic label {
    position: relative;
    padding-left: 10px;
    cursor: pointer;
    font-size: clamp(16px, 2vw, 18px);
    line-height: 1.2;
    align-items: center;
    margin: 5px;
  }

/* Styling der benutzerdefinierten Checkbox */
.custom-checkbox-technik label:before, .custom-checkbox-logistic label:before, .custom-checkbox-datenschutz label:before  {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--fourthly_color);
    border-radius: 4px;
    background-color: rgba(255, 255, 255, 0.1);
    margin-right: 10px;
    
    /* zentrierung checkbox und label */
    transition: background-color 0.3s, border-color 0.3s;
    position: relative;
    top: 4px;
    flex-shrink: 0;
}

/* Runde Styling für Radio Checkbox */
.custom-checkbox-technik label:before {
    border-radius: 100px;
}

/* Styling, wenn die Checkbox ausgewählt ist */
input[type="checkbox"]:checked + label:before, input[type="radio"]:checked + label:before {
    background-color: var(--fourthly_color);
    border-color: var(--fourthly_color);
}
.custom-checkbox-datenschutz label{
    padding: 0;
}

.contact-form #message {
    resize: vertical;
    min-height: 150px;
    max-height: 500px;
}

.contact-form #msform .action-button {
  background: #1b73b7;
  border: 0 none;
  border-radius: 5px;
  cursor: pointer;
  min-width: 130px;
  line-height: 40px;
  border: 1px solid #1b73b7;
  margin: 10px 5px;
  text-transform: uppercase;
  display: inline-block;
}

.contact-form #msform .action-button:hover {
  transform: none;
  background: #405867;
  border-color: #405867;
}
.contact-form #msform .previous_button {
  background: transparent;
  color: #99a2a8;
  border-color: #99a2a8;
}
.contact-form #msform .previous_button:hover {
  transform: none;
  box-shadow: none;
  background: #405867;
  border-color: #405867;
  color: #fff;
}

.contact-form #msform #submitBtn.action-button {
  background: #2d8e2d; 
  border: 1px solid #2d8e2d;
  color: #fff;
  font-weight: 800;
  box-shadow: 0 3px 10px rgba(27, 183, 89, 0.4);
}

.contact-form #msform #submitBtn.action-button:hover {
  background: #158d47;
  border-color: #158d47;
  box-shadow: 0 3px 10px rgba(27, 183, 89, 0.6);
  transform: translateY(-2px);
}

/* roter Fehlerzustand */
.is-invalid {
  border-color: #ff6b6b !important;
  box-shadow: 0 0 0 3px rgba(255,107,107,.15);
}

/* Radios/Checkboxen: pseudo-box einfärben */
input[type="radio"].is-invalid + label::before,
input[type="checkbox"].is-invalid + label::before {
  border-color: #ff6b6b !important;
  background-color: rgba(255,107,107,.15);
}

/* Bubble Tooltip direkt unter dem Feld */
.field-error {
  position: absolute;
  background: rgba(255, 80, 80, 0.95);
  color: #fff;
  top: 100%;
  font-size: 14px;
  padding: 4px 10px;
  margin-top: 4px;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0,0,0,.25);
  z-index: 10;
  white-space: nowrap;
  animation: fadeInUp .2s ease-out forwards;
}

/* kleiner Pfeil */
.field-error::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 12px;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-bottom: 6px solid rgba(255, 80, 80, 0.95);
}

/* sanftes Erscheinen */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== Multi-Step & Progressbar (ergänzend) ===== */

.progress-bar{
  position: relative;
  z-index: 1 ;
  width: 100%;
  height: 6px;
  background: rgba(255,255,255,.2);
  border-radius: 10px;
  overflow: hidden;
  margin: 0 0 16px 0;
}
.progress{
  position: absolute;
  left: 0;
  opacity: 0;
  width: 0%;
  height: 100%;
  background: linear-gradient(to right, var(--secondary_color), var(--fourthly_color));
  transition: width .3s ease;
}

.progress.progress--ready{ opacity: 1; }  /* erst nach Init einblenden */

.progress-wrap{ position: relative; width: 100%; }
.progress-steps{
  position: relative;
  z-index: 2;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
  margin: 8px 0 0 0;
  padding: 0;
}
.progress-step{
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 0;
  flex: 1 1 auto;
  cursor: default;
  user-select: none;
}
.step-dot{
  width: 24px; height: 24px; min-width: 24px;
  border-radius: 999px;
  display: grid; place-items: center;
  font-size: 12px; font-weight: 700;
  background: rgba(255,255,255,.18);
  color: var(--fiftly_color);
  border: 2px solid rgba(255,255,255,.3);
  transition: transform .15s ease, background .2s ease, border-color .2s ease, color .2s ease;
}
.progress-step.active .step-dot{
  background: var(--fourthly_color);
  border-color: var(--fourthly_color);
  transform: scale(1.06);
}
.progress-step.completed .step-dot{
  background: var(--secondary_color);
  border-color: transparent;
}
.step-label{
  margin-top: 6px;
  font-size: clamp(11px, 1.6vw, 12px);
  color: rgba(255,255,255,.8);
  text-align: center;
  inline-size: 90px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Optional: klickbare vergangene Steps */
.progress-step.clickable{ cursor: pointer; }
.progress-step.clickable .step-dot:hover{ transform: scale(1.1); }

/* ------------------ Tablet (bis 800px) ------------------ */
@media only screen and (max-width: 800px) {
  
  .contact-form #msform {
    min-height: 800px;
  }

  .row-datetime, .row-guest {
    flex-direction: column;
    gap: 0;
  }

  .column-technik{
    flex-direction: column;     /* label on top, options below */
    align-items: flex-start;
    gap: 8px;
  }

  .mobile-column-technik{
    flex-direction: column;     /* one option per line */
    flex-wrap: nowrap;
    align-items: flex-start;
  }

  .custom-checkbox-logistic {
  width: 100%;
}

}

/* ------------------ Mobile (bis 600px) ------------------ */
@media only screen and (max-width: 600px) {
  
  .row-name,
  .row-contact,
  .row-datetime,
  .row-guest {
    flex-direction: column;
  }

  .mobile-column-technik {
    align-items: flex-start;
    gap: 0 30px;
    display: flex;
  }

  .row-guest-type {
    display: block;
    flex-direction: column;
    width: 100%;
    align-items: center;
  }

  .column-technik,
  .column-logistic {
    justify-content: flex-start;
  }

  .contact-form #msform fieldset{ padding: 10px 16px 0}
  .contact-form #msform{ padding-top: 24px}

  .step-label{ display: none; }
  .step-dot{ width: 20px; height: 20px; font-size: 11px; }
}