:root {
  --sea: #0c76bc;
  --light-sea: #6fb3dc;
  --sun: #fcc55f;
  --peach: #e54664;
  --font-color: #0c0c0c;
  --font-main: "museo-sans", sans-serif;
  --font-title: "archivo-black", sans-serif;
}

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

body {
  font-family: var(--font-main);
  color: var(--font-color);
  background-color: white;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* === TYPOGRAPHY === */

h1,
h2,
h3 {
  font-family: var(--font-title);
  text-transform: uppercase;
  color: var(--sea);
  margin-bottom: 1rem;
  hyphens: auto;
}

p,
li,
ol {
  font-size: 1rem;
  line-height: 1.5;
  margin-bottom: 0.5rem;
}

/* === LAYOUT === */

header.site-header {
  background-color: var(--sea);
  color: white;
  padding: 1rem;
  text-align: center;
  position: relative;
  z-index: 10;
}

.logo {
  height: 60px;
  width: auto;
}
.main-container {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.box {
  background-color: white;
  padding: 2rem;
  border-radius: 12px;
  max-width: 600px;
  width: 100%;
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
}

/* Spalten */
.columns {
  display: flex;
  position: relative;
  flex-direction: column;
}

.left-column {
  background: url("assets/delfine.webp") center center/cover no-repeat;
  text-align: center;
  padding: 2rem;
  color: white;
  order: 1;
}

.left-column h1 {
  font-size: 2rem;
  color: white;
}

.right-column {
  background: url("assets/muster_bluesea_lia.svg") center center/cover no-repeat;
  padding: 2rem;
  display: flex;
  justify-content: center;
  align-items: center;
  order: 2;
}

/* Responsive Design Mobile-first */

@media (min-width: 768px) {
  .columns {
    flex-direction: row;
  }

  .left-column,
  .right-column {
    min-height: 100vh;
  }

  .left-column {
    flex: 1;
    max-width: 33.33%;
    order: 1;
  }

  .right-column {
    flex: 2;
    max-width: 66.66%;
    order: 2;
  }
}

/* === FORMULAR === */

input,
textarea,
select {
  padding: 0.5rem;
  border: 1px solid var(--light-sea);
  border-radius: 6px;
  width: 100%;
  margin-bottom: 1rem;
}

/* === BUTTONS === */

.button-primary {
  background-color: var(--sea);
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-family: var(--font-main);
  hyphens: auto;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.3s;
  text-decoration: none;
  display: inline-block;
  margin-top: 1rem;
  text-align: center;
}

.button-primary:hover {
  background-color: var(--peach);
}

.button-wrapper {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

@media (max-width: 600px) {
  .button-wrapper {
    flex-direction: column;
    align-items: stretch;
  }

  .button-primary {
    width: 100%;
  }
}

/* === INDICATOR === */

.steps-indicator {
  display: flex;
  justify-content: center;
  margin-bottom: 2rem;
  gap: 1rem;
}

.step {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background-color: #ddd;
  transition: background-color 0.3s;
}

.step.active {
  background-color: var(--sea);
}

/* === FOOTER === */

.sticky-footer {
  background-color: var(--light-sea);
  color: white;
  text-align: center;
  padding: 1em 0;
}

.sticky-footer a {
  color: white;
  text-decoration: underline;
}

.sticky-footer a:hover {
  color: var(--sun);
  opacity: 1;
  text-decoration: none;
}

.footer-content {
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.6;
}

.anschnitt {
  padding-left: 1rem;
  margin: 2rem 0;
}

.radio-group {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  margin-bottom: 1rem;
}

.radio-group input[type="radio"] {
  width: 18px;
  height: 18px;
  margin: 0;
  vertical-align: middle;
  cursor: pointer;
}

.radio-group label {
  cursor: pointer;
  user-select: none;
  vertical-align: middle;
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

#participants-wrapper {
  margin-top: 1rem;
  display: none;
}

#participants {
  padding: 0.4rem 0.6rem;
  font-size: 1rem;
  border: 1px solid var(--light-sea);
  border-radius: 6px;
  width: 100px;
}

.error {
  color: var(--peach);
  margin-top: -0.8rem;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.checkbox-grid {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.checkbox-column,
.label-column {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.label-column label {
  margin-bottom: 0.25rem;
}