@keyframes steam-rise-mobile {
  0% {
    transform: translateY(0) scale(1);
    opacity: 0;
  }
  15% {
    opacity: 0.4;
  }
  100% {
    transform: translateY(-400px) scale(3);
    opacity: 0;
  }
}

/* 1616 PX */
@media screen and (max-width: 101em) {
  html {
    font-size: 50%;
  }
}
/* 1504 PX */
@media screen and (max-width: 94em) {
  .product-card-section {
    heading-secondary {
      font-size: 9rem;
    }
  }
}

/* 1296 PX */

@media screen and (max-width: 81em) {
  .hero {
    background-size: contain;
  }

  .boote .heading-primary {
    margin-bottom: 10rem;
  }

  .section {
    padding: 8rem 8rem;
  }

  html {
    font-size: 40%;
  }

  .hero {
    height: 67vw;
  }
}
/* 992 PX */
@media screen and (max-width: 62em) {
  .usp-section {
    grid-template-columns: 1fr 1fr;
  }

  .product-card-section {
    grid-template-columns: 1fr;
    max-width: 100rem;
  }

  .product-card-list-element {
    font-size: 4rem;
  }

  .heading-secondary {
    font-size: 8rem;
  }
  .main-nav-list-link {
    font-size: 2.4rem;
  }
}
/* 832PX */
@media screen and (max-width: 52em) {
  .main-nav-list-link {
    font-size: 2rem;
  }
  .product-card-list-element {
    font-size: 4rem;
  }
  .buy-box-preis {
    font-size: 5.2rem;
  }
  .product-card-text-box .btn.btn--big.btn {
    font-size: 3rem;
  }
}

/* 704PX MOBILE!*/
@media screen and (max-width: 44em) {
  .hero {
    display: none;
  }

  .hero-mobile {
    display: block;
  }

  .hero-mobile .heading-primary {
    font-size: 6.4rem;
  }

  .hero-mobile .heading-secondary {
    font-size: 4rem;
  }

  .hero-mobile-text-box .btn {
    font-size: 2.4rem;
    padding: 2.4rem 5rem;
  }

  .header {
    padding: 1.5rem 2rem;
  }

  .hero {
    padding: 0 4rem;
  }

  .hero .heading-primary {
    font-size: 6rem;
  }
  .hero .heading-secondary {
    font-size: 4rem;
  }
  .hero-text-box {
    display: flex;
    flex-direction: column;
    text-align: center;
    gap: 2rem;
  }

  .hero-cta {
    display: block;
  }

  .steam-particle {
    transform: scale(0.7);
    animation-name: steam-rise-mobile;
  }
  .steam-particle-1 {
    left: 45%;
  }
  .steam-particle-2 {
    left: 52%;
  }
  .steam-particle-3 {
    left: 43%;
  }
  .steam-particle-4 {
    left: 55%;
  }
  .steam-particle-5 {
    left: 40%;
  }
  .steam-particle-6 {
    left: 50%;
  }
  .steam-particle-7 {
    left: 48%;
  }
  .steam-particle-8,
  .steam-particle-9,
  .steam-particle-10,
  .steam-particle-11,
  .steam-particle-12,
  .steam-particle-13,
  .steam-particle-14 {
    display: none;
  }

  .section {
    padding: 8rem 2rem;
  }
  .usp-section {
    grid-template-columns: 1fr;
  }
  .usp {
    gap: 1rem;
  }

  .main-nav {
    display: flex;
    position: fixed; /* GEÄNDERT von absolute zu fixed */
    top: 0;
    left: 0;
    background: #00050b8a;
    justify-content: center;
    align-items: center;
    width: 100vw;
    width: 100dvw; /* HINZUGEFÜGT: Dynamic Viewport für iOS */
    min-height: 100vh; /* GEÄNDERT von height zu min-height */
    min-height: 100dvh; /* HINZUGEFÜGT: Dynamic Viewport für iOS */
    transform: translateX(100%);
    -webkit-transform: translateX(100%);
    transition: all 0.5s ease;
    -webkit-transition: all 0.5s ease;
    pointer-events: none;
    visibility: hidden;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 9999;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding-top: env(safe-area-inset-top);
    padding-bottom: env(safe-area-inset-bottom);
  }

  .review-card {
    max-width: 80%;
  }

  .main-nav-list {
    flex-direction: column;
    text-align: center;
  }

  .main-nav-list-link {
    font-size: 6rem;
  }
  .nav-open .main-nav {
    transform: translateX(0);
    -webkit-transform: translateX(0);
    pointer-events: auto;
    visibility: visible;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
  }

  .nav-open body {
    overflow: hidden;
    position: fixed;
    width: 100%;
  }

  .header-logo-box-mobile {
    display: flex;
    justify-content: center;
  }

  .header-logo-box {
    width: auto;
  }

  .header-logo,
  .icon-mobile-nav {
    width: 5rem;
    height: 5rem;
  }

  .nav-open .icon-mobile-nav[name="close-outline"] {
    display: block;
  }
  .nav-open .icon-mobile-nav[name="menu-outline"] {
    display: none;
  }

  .header-button-container {
    display: none;
  }
  .btn-mobile-nav {
    display: block;
    z-index: 10000; /* HINZUGEFÜGT: Button über Menü */
  }

  .product-card-list-element {
    font-size: 3.6rem;
  }
  .buy-box-preis {
    font-size: 5.2rem;
  }
  .product-card-text-box .btn.btn--big.btn {
    font-size: 3rem;
  }

  .review-group {
    -webkit-animation: spin 40s infinite linear;
    animation: spin 40s infinite linear;
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    will-change: transform;
  }
}
/* 646PX */
@media screen and (max-width: 29em) {
  .hero {
    background-image:
      linear-gradient(
        to bottom,
        rgba(0, 54, 111, 0) 0%,
        rgba(0, 0, 0, 0) 75%,
        #00050b 100%
      ),
      url("/bilder/hero-mobile.webp");
    background-size: cover;
    height: 80vh;
    height: 80dvh; /* HINZUGEFÜGT: Dynamic Viewport für iOS */
  }
  .hero-text-box {
    flex: 0;
  }

  .hero .heading-primary {
    font-size: 8rem;
  }
  .hero .heading-secondary {
    font-size: 5.2rem;
  }

  .hero-cta.btn {
    text-align: center;
    font-size: 2rem;
    color: #e6f2fe;
  }
  .usp-section {
    max-width: 37rem;
  }

  .review-card {
    width: 80%;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 4rem;
    text-align: center;
  }

  .social-icon {
    width: 5rem;
    height: 5rem;
  }
  .product-card-list-element {
    font-size: 3rem;
  }
  .buy-box-preis {
    font-size: 5.2rem;
  }
  .product-card-text-box .btn.btn--big.btn {
    font-size: 3rem;
  }
  .boote .heading-secondary {
    font-size: 6.2rem;
  }
  .product-card-list-element {
    font-size: 2.6rem;
  }

  .footer-menu,
  .footer-menu-element p {
    font-size: 3rem;
  }

  .heading-footer {
    font-size: 3.6rem;
  }
  .form {
    grid-template-columns: 1fr;
  }
}

/* 384 */
@media screen and (max-width: 24em) {
  .boote .heading-primary {
    font-size: 6.2rem;
  }

  .product-card-text-box {
    padding: 4rem 2rem 2rem 2rem;
  }

  .product-card-list-element {
    font-size: 2.4rem;
  }
  html {
    font-size: 30%;
  }
}

/* iPhone SE/Mini specific 
@media screen and (max-width: 375px) {
  .product-card-text-box {
    padding: 2rem;
  }
}
*/
@media (-webkit-min-device-pixel-ratio: 3) {
  .product-card-text-box {
    padding: 2rem !important;
  }
}

/* 336 */
@media screen and max-width: {
}
/* 224 */
@media screen and (max-width: 15em) {
  html {
    font-size: 25%;
  }
}

/* 204 */
@media screen and (max-width: 13em) {
  html {
    font-size: 20%;
  }
}

/* HINZUGEFÜGT: Spezielle iOS-Fixes */
@supports (-webkit-touch-callout: none) {
  /* Nur für iOS Safari */
  .main-nav {
    height: -webkit-fill-available;
  }

  .hero {
    height: -webkit-fill-available;
  }
}