/**
 * PROZESS SECTION COMPONENT
 * Auto-Ankauf Website
 *
 * 4-Step Prozess mit Verbindungslinie
 */

/* ==========================================
   SECTION BASE
   ========================================== */

.prozess {
  background: var(--color-white);
  padding: var(--spacing-4xl) 0;
}

.prozess__container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  flex-direction: column;
  align-items: center;
}


/* ==========================================
   SECTION HEADER
   ========================================== */

.prozess__eyebrow {
  display: block;
  text-align: center;
  font-family: var(--font-primary);
  font-size: 14px;
  font-weight: var(--font-weight-medium);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 12px;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  width: fit-content;
}

.prozess__title {
  text-align: center;
  color: var(--color-black);
  margin-bottom: var(--spacing-2xl);
}


/* ==========================================
   STEPS GRID
   ========================================== */

.prozess__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
  width: 100%;
  margin-bottom: 64px;
}


/* ==========================================
   HORIZONTAL CONNECTION LINE (Desktop)
   ========================================== */

.prozess__line {
  position: absolute;
  top: 110px;
  left: 8px;
  right: 8px;
  height: 1px;
  background: var(--color-border-grey);
  z-index: 0;
  transform-origin: left;
  transform: scaleX(0);
  opacity: 0;
  transition: transform 1s ease-out, opacity 0.8s ease-out;
}

.prozess__line.line-animate {
  transform: scaleX(1);
  opacity: 1;
}

/* Mobile vertical line – hidden by default, shown at 768px */
.prozess__line-mobile {
  display: none;
}


/* ==========================================
   STEP CARD
   ========================================== */

.prozess__card {
  background: var(--color-bg-light-grey);
  border-radius: var(--radius-lg);
  padding: 25px 15px;
  text-align: center;
  position: relative;
  z-index: 1;
  margin: 0 8px;
  border: 1px solid var(--color-border-light-grey);
}


/* ==========================================
   CARD ICON
   ========================================== */

.prozess__card-icon {
  width: 55px;
  height: 55px;
  background: rgba(255, 213, 108, 0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 15px auto;
  position: relative;
  z-index: 2;
}

.prozess__card-number {
  font-family: var(--font-primary);
  font-size: 22px;
  font-weight: var(--font-weight-bold);
  color: var(--color-dark-gold);
  line-height: 1;
}


/* ==========================================
   CARD TEXT
   ========================================== */

.prozess__card-heading {
  font-size: var(--font-size-h6);
  font-weight: var(--font-weight-medium);
  color: var(--color-black);
  margin-bottom: 16px;
  line-height: 1.3;
}

.prozess__card-text {
  font-size: var(--font-size-paragraph);
  font-weight: var(--font-weight-regular);
  color: var(--color-light-grey);
  line-height: 1.6;
}


/* ==========================================
   SCROLL ANIMATIONS
   ========================================== */

.prozess__card {
  opacity: 0;
  transform: translateY(30px);
}

.prozess__card.animate-in {
  animation: prozessCardSlideIn 0.5s var(--ease-smooth) both;
}

@keyframes prozessCardSlideIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}


/* ==========================================
   RESPONSIVE
   ========================================== */

@media (max-width: 991px) {
  .prozess__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .prozess__line {
    display: none;
  }

  .prozess__line-mobile {
    display: none;
  }

  .prozess__card {
    margin: 0;
  }
}

@media (max-width: 768px) {
  .prozess {
    padding: var(--spacing-3xl) 0;
  }

  .prozess__title {
    margin-bottom: var(--spacing-2xl);
  }

  .prozess__grid {
    grid-template-columns: 1fr;
    position: relative;
  }

  /* Vertikale Linie Mobile */
  .prozess__line-mobile {
    display: block;
    position: absolute;
    left: 50%;
    top: 0;
    width: 1px;
    background: var(--color-border-grey);
    z-index: 0;
    transform: translateX(-50%);
    transform-origin: top;
    height: 0;
    opacity: 0;
    transition: height 1s ease-out, opacity 0.8s ease-out;
  }

  .prozess__line-mobile.line-animate {
    height: 100%;
    opacity: 1;
  }

  .prozess__card {
    padding: 36px 24px;
  }

  .prozess__card-icon {
    margin-bottom: 24px;
  }

}

@media (max-width: 480px) {
  .prozess {
    padding: var(--spacing-2xl) 0;
  }

  .prozess__card {
    padding: 28px 20px;
  }
}