/* --- CONFIGURATION & RESET --- */
:root {
  --c-white: #ffffff;
  --c-bg-light: #f1f5f9;
  --c-text-main: #0f172a;
  --c-text-muted: #64748b;
  --c-brand-blue: #0044cc;
  --c-brand-dark: #0b1120;
  --c-brand-red: #e11d48;
  --border-color: #e2e8f0;
  --container: 1320px;
  --ease-out: cubic-bezier(0.215, 0.61, 0.355, 1);
  --shadow-soft: 0 20px 40px -10px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 30px 60px -12px #0044cc;
}

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

body {
  font-family: sans-serif;
  background-color: var(--c-white);
  color: var(--c-text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5 {
  font-weight: 800;
  line-height: 1.1;
  color: var(--c-brand-dark);
}
a {
  text-decoration: none;
  color: inherit;
  transition: 0.3s;
}
ul {
  list-style: none;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.hidden {
  display: none !important;
}

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 18px 40px;
  background: var(--c-brand-red);
  color: white;
  font-weight: 700;
  border-radius: 50px;
  position: relative;
  overflow: hidden;
  z-index: 1;
  transition: 0.3s ease;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 1px;
  cursor: pointer;
  border: none;
  box-shadow: 0 10px 20px rgba(225, 29, 72, 0.2);
}
.btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 0%;
  height: 100%;
  background: var(--c-brand-blue);
  transition: width 0.4s var(--ease-out);
  z-index: -1;
}
.btn:hover::before {
  width: 100%;
}
.btn:hover {
  box-shadow: 0 15px 30px rgba(0, 68, 204, 0.3);
  transform: translateY(-3px);
}

.btn-outline {
  background: transparent;
  border: 2px solid #cbd5e1;
  color: var(--c-brand-dark);
  padding: 16px 38px;
  border-radius: 50px;
  font-weight: 700;
  text-transform: uppercase;
  cursor: pointer;
  transition: 0.3s;
}
.btn-outline:hover {
  border-color: var(--c-brand-dark);
  background: var(--c-brand-dark);
  color: white;
}

/* --- NAVIGATION --- */
nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1003;
  padding: 15px;
  transition: all 0.4s ease;
  background: transparent;
}
nav.scrolled {
  padding: 10px 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 5px 30px rgba(0, 0, 0, 0.05);
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.6rem;
  font-weight: 800;
  color: white;
  transition: color 0.3s;
  z-index: 1002;
}
.logo span {
  color: var(--c-brand-red);
}
nav.scrolled .logo {
  color: var(--c-brand-dark);
}

.nav-links {
  display: flex;
  gap: 40px;
}
.nav-links a {
  font-weight: 600;
  font-size: 0.95rem;
  color: rgba(0, 0, 0, 0.9);
  position: relative;
}
nav.scrolled .nav-links a {
  color: var(--c-text-main);
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--c-brand-red);
  transition: width 0.3s;
}
.nav-links a:hover::after {
  width: 100%;
}

/* --- HAMBURGER MENU --- */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1002;
  position: relative;
  margin-right: 7vw;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 3px;
  background-color: rgb(0, 0, 0);
  border-radius: 2px;
  transition: all 0.3s ease;
}

nav.scrolled .hamburger span {
  background-color: var(--c-brand-dark);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
  z-index: 1003;
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
  z-index: 1003;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
  z-index: 1003;
}

/* Mobile Navigation Overlay */
.mobile-nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(11, 17, 32, 0.98);
  backdrop-filter: blur(10px);
  z-index: 1001;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s ease;
  pointer-events: none;
}

.mobile-nav-overlay.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 30px;
  text-align: center;
}

.mobile-nav-links a {
  font-size: 2rem;
  font-weight: 700;
  color: white;
  transition: color 0.3s;
  position: relative;
}

.mobile-nav-links a:hover {
  color: var(--c-brand-red);
}

.mobile-nav-links a::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  background: var(--c-brand-red);
  transition: width 0.3s;
}

.mobile-nav-links a:hover::after {
  width: 50%;
}

/* --- PAGE HEADER --- */
.page-header {
  padding-top: 180px;
  padding-bottom: 60px;
  text-align: center;
  background: radial-gradient(300% 40% at 50% 60%, #e11d473a 0%, white 80%);
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--c-brand-red);
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 15px;
  background: rgba(225, 29, 72, 0.1);
  padding: 5px 15px;
  border-radius: 20px;
}

/* --- FILTER BUTTONS --- */
.filter-container {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-bottom: 80px;
  flex-wrap: wrap;
}
.filter-btn {
  padding: 12px 30px;
  border: 1px solid black;
  background: rgb(255, 255, 255);
  border-radius: 50px;
  font-weight: 700;
  cursor: pointer;
  transition: 0.3s;
  font-size: 0.9rem;
}
.filter-btn:hover,
.filter-btn.active {
  background: var(--c-brand-dark);
  color: white;
  border-color: var(--c-brand-dark);
  transform: translateY(-2px);
}

/* --- PRODUCT GRID --- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 120px;
  min-height: 400px;
}
.product-item {
  background: white;
  border-radius: 30px;
  overflow: hidden;
  transition: 0.4s ease;
  position: relative;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  box-shadow: var(--shadow-soft);
}
.product-item:hover {
  transform: translateY(-15px);
  box-shadow: var(--shadow-hover);
}
.product-thumb-area {
  aspect-ratio: 1 / 1; /* Quadrat */
  overflow: hidden;
  background: #f8fafc;
}

.product-thumb-area img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.product-info {
  padding: 35px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}
.product-cat {
  font-size: 0.75rem;
  color: var(--c-brand-blue);
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: 10px;
  letter-spacing: 1px;
}
.product-title {
  font-size: 1.6rem;
  margin-bottom: 15px;
}
.product-desc {
  font-size: 1rem;
  color: var(--c-text-muted);
  margin-bottom: 25px;
  flex-grow: 1;
}
.product-link {
  font-weight: 700;
  color: var(--c-brand-red);
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  text-transform: uppercase;
}

/* --- DETAIL PAGE --- */
.back-btn {
  margin-bottom: 30px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-weight: 700;
  color: var(--c-text-muted);
  transition: 0.3s;
}
.back-btn:hover {
  color: var(--c-brand-dark);
  transform: translateX(-5px);
}

.detail-hero-section {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: center;
  margin-bottom: 120px;
}

/* Gallery System */
.gallery-wrapper {
  position: relative;
}
.main-image-container {
  border-radius: 30px;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  height: 500px;
  background: white;
  border: 1px solid var(--border-color);
  position: relative;
  margin-bottom: 20px;
}
.main-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: none;
}
.main-image.active {
  display: block;
  animation: fadeIn 0.4s ease-out;
}

/* Thumbnails */
.thumbnails-row {
  display: flex;
  gap: 15px;
  overflow-x: auto;
  padding-bottom: 5px;
}
.thumb-btn {
  width: 80px;
  height: 80px;
  border-radius: 15px;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  opacity: 0.6;
  transition: 0.3s;
  flex-shrink: 0;
  background: none;
}
.thumb-btn img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.thumb-btn:hover {
  opacity: 1;
  transform: translateY(-3px);
}
.thumb-btn.active {
  border-color: var(--c-brand-red);
  opacity: 1;
  transform: translateY(0);
  box-shadow: 0 5px 15px rgba(225, 29, 72, 0.2);
}

.detail-text h1 {
  font-size: 3.5rem;
  margin: 15px 0 25px 0;
  line-height: 1.1;
  letter-spacing: -1px;
}
.detail-desc-long {
  font-size: 1.15rem;
  color: var(--c-text-muted);
  margin-bottom: 40px;
  line-height: 1.8;
}
.detail-actions {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

/* --- TABS SECTION --- */
.detail-tabs-section {
  padding: 60px 0;
  background: #f8fafc;
}
.detail-tabs-nav {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 50px;
  flex-wrap: wrap;
}
.detail-tab-btn {
  padding: 16px 32px;
  border: 2px solid var(--border-color);
  background: white;
  border-radius: 50px;
  font-weight: 700;
  cursor: pointer;
  transition: 0.3s;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 10px;
}
.detail-tab-btn i {
  font-size: 1rem;
}
.detail-tab-btn:hover {
  border-color: var(--c-brand-blue);
  background: white;
  transform: translateY(-2px);
}
.detail-tab-btn.active {
  background: var(--c-brand-dark);
  color: white;
  border-color: var(--c-brand-dark);
}
.detail-tab-content {
  display: none;
  animation: fadeIn 0.4s ease-out;
}
.detail-tab-content.active {
  display: block;
}

/* --- APPLICATIONS --- */
.app-section {
  padding: 0 0 100px 0;
}
.app-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 40px;
}
.app-card {
  background: #f8fafc;
  padding: 30px;
  border-radius: 20px;
  text-align: center;
  transition: 0.3s;
  border: 1px solid transparent;
}
.app-card:hover {
  border-color: var(--c-brand-blue);
  background: white;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}
.app-icon {
  font-size: 2.5rem;
  color: var(--c-brand-red);
  margin-bottom: 15px;
}
.app-name {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--c-brand-dark);
}

/* --- FEATURES SECTION --- */
.features-section {
  padding: 40px 0;
  position: relative;
  overflow: hidden;
}
.features-wrapper {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
}

.feature-slider-window {
  overflow: hidden;
  padding: 20px 0;
}
.feature-track {
  display: flex;
  transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.feature-pair {
  min-width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  padding: 0 5px;
}

.feature-card {
  padding: 40px;
  border-radius: 24px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 320px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  transition: 0.3s;
}
.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.style-dark {
  background: var(--c-brand-dark);
  color: white;
}
.style-light {
  background: white;
  color: var(--c-brand-dark);
  border: 1px solid var(--border-color);
}
.style-blue {
  background: linear-gradient(135deg, #0044cc 0%, #1a5be0 100%);
  color: white;
}
.style-red {
  background: linear-gradient(135deg, #e11d48 0%, #f43f5e 100%);
  color: white;
}

.feature-card h3 {
  font-size: 1.8rem;
  margin-bottom: 15px;
  color: inherit;
}
.feature-card p {
  font-size: 1rem;
  opacity: 0.85;
  line-height: 1.6;
}
.feat-icon {
  font-size: 2.5rem;
  margin-bottom: 25px;
  opacity: 0.9;
}

.feat-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 40px;
}
.feat-arrows {
  display: flex;
  gap: 15px;
}
.feat-arrow-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: white;
  color: var(--c-brand-dark);
  cursor: pointer;
  transition: 0.3s;
  display: grid;
  place-items: center;
  font-size: 1.2rem;
}
.feat-arrow-btn:hover {
  background: var(--c-brand-dark);
  color: white;
  border-color: var(--c-brand-dark);
}

/* --- TECH TABLE & CERTIFICATES --- */
.tech-section {
  padding: 40px 0;
}
.tech-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border-color);
}
.tech-table th,
.tech-table td {
  padding: 25px 40px;
  border-bottom: 1px solid var(--border-color);
  text-align: left;
}
.tech-table th {
  background: #f1f5f9;
  color: var(--c-brand-dark);
  font-weight: 800;
  width: 35%;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 1px;
}
.tech-table td {
  background: white;
  font-weight: 600;
  color: var(--c-text-muted);
}
.tech-table tr:last-child th,
.tech-table tr:last-child td {
  border-bottom: none;
}

/* CERTIFICATES SECTION */
.cert-section {
  padding: 40px 0;
}
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  margin-top: 30px;
}
.cert-card {
  background: white;
  border-radius: 20px;
  padding: 40px;
  text-align: center;
  border: 1px solid var(--border-color);
  transition: 0.3s;
}
.cert-card:hover {
  border-color: var(--c-brand-blue);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  transform: translateY(-5px);
}
.cert-card img {
  height: 80px;
  width: auto;
  object-fit: contain;
  margin: 0 auto 20px;
  filter: grayscale(50%);
  transition: 0.3s;
}
.cert-card:hover img {
  filter: grayscale(0%);
}
.cert-card h4 {
  font-size: 1rem;
  margin-bottom: 5px;
}
.cert-card p {
  font-size: 0.85rem;
  color: var(--c-text-muted);
}

/* RECEIVERS SECTION */
.receivers-section {
  padding: 40px 0;
}
.receivers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 30px;
}
.receiver-card {
  background: white;
  border-radius: 20px;
  padding: 30px;
  border: 1px solid var(--border-color);
  transition: 0.3s;
}
.receiver-card:hover {
  border-color: var(--c-brand-red);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  transform: translateY(-5px);
}
.receiver-card .receiver-icon {
  width: 60px;
  height: 60px;
  border-radius: 15px;
  background: linear-gradient(135deg, var(--c-brand-red), #f43f5e);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: white;
  font-size: 1.5rem;
}
.receiver-card h4 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}
.receiver-card p {
  font-size: 0.95rem;
  color: var(--c-text-muted);
  line-height: 1.6;
}
.receiver-specs {
  margin-top: 15px;
  padding-top: 15px;
  border-top: 1px solid var(--border-color);
}
.receiver-spec {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  margin-bottom: 8px;
}
.receiver-spec span:first-child {
  color: var(--c-text-muted);
}
.receiver-spec span:last-child {
  font-weight: 700;
  color: var(--c-brand-dark);
}

/* --- OPTIONS SECTION --- */
.options-section {
  padding: 100px 0 140px 0;
  background: var(--c-brand-dark);
  color: white;
  overflow: hidden;
}

.opt-slider-wrapper {
  position: relative;
  margin-top: 60px;
}
.opt-slide {
  display: none;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: center;
}
.opt-slide.active {
  display: grid;
  animation: slideInRight 0.6s ease;
}

.opt-image-box {
  position: relative;
  height: 500px;
  border-radius: 30px;
  overflow: hidden;
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.4);
}
.opt-image-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.opt-badge {
  position: absolute;
  top: 30px;
  left: 30px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  padding: 10px 20px;
  border-radius: 50px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.8rem;
}

.opt-content h2 {
  font-size: 3rem;
  margin-bottom: 30px;
  color: white;
  line-height: 1.1;
}
.opt-content p {
  font-size: 1.1rem;
  opacity: 0.8;
  margin-bottom: 40px;
  max-width: 500px;
}

.opt-controls {
  display: flex;
  gap: 20px;
  align-items: center;
}
.opt-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transition: 0.3s;
  cursor: pointer;
}
.opt-dot.active {
  background: var(--c-brand-red);
  transform: scale(1.3);
}

/* --- CALL TO ACTION --- */
.cta-section {
  position: relative;
  padding: 100px 0;
  margin-top: -60px;
  background: linear-gradient(135deg, #0044cc 0%, #e11d48 100%);
  border-radius: 40px 40px 0 0;
  color: white;
  text-align: center;
  overflow: hidden;
  z-index: 10;
}
.cta-bg-pattern {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(
    rgba(255, 255, 255, 0.1) 1px,
    transparent 1px
  );
  background-size: 30px 30px;
  opacity: 0.3;
}
.cta-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  margin: 0 auto;
}
.cta-content h2 {
  font-size: 3rem;
  color: white;
  margin-bottom: 20px;
}

/* --- FOOTER --- */
footer {
  background: #0b1120;
  color: #94a3b8;
  padding: 120px 0 40px 0;
  margin-top: -50px;
  padding-top: 150px;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 50px;
}
.footer-col h5 {
  color: white;
  margin-bottom: 25px;
  font-size: 1.1rem;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.footer-col ul li {
  margin-bottom: 12px;
}
.footer-col ul li a {
  transition: 0.2s;
}
.footer-col ul li a:hover {
  color: var(--c-brand-red);
  padding-left: 5px;
}

/* --- ANIMATIONS --- */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: scale(0.98);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}
@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* --- RESPONSIVE --- */
@media (max-width: 1024px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .detail-hero-section {
    grid-template-columns: 1fr;
  }
  .feature-pair {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .opt-slide {
    grid-template-columns: 1fr;
  }
  .opt-image-box {
    order: -1;
    height: 350px;
  }
  .app-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .detail-tabs-nav {
    gap: 8px;
  }
  .detail-tab-btn {
    padding: 12px 20px;
    font-size: 0.8rem;
  }
}

@media (max-width: 768px) {
  .product-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .cta-content h2 {
    font-size: 2rem;
  }
  .app-grid {
    grid-template-columns: 1fr;
  }
  .detail-tabs-nav {
    flex-direction: column;
    align-items: stretch;
  }
  .detail-tab-btn {
    justify-content: center;
  }
  .nav-links {
    display: none;
  }
  .detail-text h1 {
    font-size: 2.5rem;
  }
}

/* === MOBILE OPTIMIZATIONS === */

@media (max-width: 768px) {
  /* --- Allgemeine Mobile Anpassungen --- */
  .container {
    padding: 0 20px;
  }

  /* --- Navigation Mobile --- */
  .nav-inner {
    padding: 10px 0;
  }

  .nav-links {
    display: none !important; /* Verstecken auf Mobile */
  }

  .nav-inner .btn {
    padding: 10px 20px !important;
    font-size: 0.75rem !important;
  }

  /* Mobile Navigation Button hinzufügen */
  .mobile-menu-btn {
    display: block !important;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--c-brand-dark);
    cursor: pointer;
    padding: 10px;
  }

  /* --- Page Header Mobile --- */
  .page-header {
    padding-top: 120px !important;
    padding-bottom: 40px !important;
  }

  .page-header h1 {
    font-size: 2.2rem !important;
    margin-bottom: 15px !important;
  }

  .page-header p {
    font-size: 1rem !important;
    padding: 0 10px;
  }

  /* --- Filter Buttons Mobile --- */
  .filter-container {
    margin-bottom: 40px;
    gap: 10px;
    padding: 0 10px;
  }

  .filter-btn {
    padding: 10px 20px;
    font-size: 0.8rem;
    flex-grow: 1;
    text-align: center;
    min-width: 100px;
  }

  /* --- Product Grid Mobile --- */
  .product-grid {
    grid-template-columns: 1fr !important;
    gap: 25px;
    margin-bottom: 60px;
    padding: 0 5px;
  }

  .product-item {
    border-radius: 20px;
    margin: 0 5px;
  }

  .product-item:hover {
    transform: translateY(-5px); /* Weniger Bewegung auf Mobile */
  }

  .product-thumb-area {
    aspect-ratio: 1.1 / 1; /* Etwas breiter auf Mobile */
  }

  .product-info {
    padding: 25px;
  }

  .product-title {
    font-size: 1.3rem;
  }

  .product-desc {
    font-size: 0.95rem;
    margin-bottom: 20px;
  }

  /* --- CTA Section Mobile --- */
  .cta-section {
    padding: 60px 20px !important;
    margin-top: -30px;
    border-radius: 30px 30px 0 0;
  }

  .cta-content h2 {
    font-size: 1.8rem !important;
    margin-bottom: 15px;
  }

  .cta-content p {
    font-size: 1rem;
    margin-bottom: 30px;
  }

  .cta-content .btn {
    padding: 15px 30px !important;
    font-size: 0.8rem !important;
  }

  /* --- Footer Mobile --- */
  footer {
    padding: 80px 0 30px 0;
    margin-top: -30px;
    padding-top: 100px;
  }

  .footer-grid {
    grid-template-columns: 1fr !important;
    gap: 40px;
    text-align: center;
  }

  .footer-col img {
    margin: 0 auto 20px;
  }

  /* --- Touch-friendly Elemente --- */
  .btn,
  .filter-btn,
  .product-item {
    min-height: 44px; /* Apple's minimum touch target */
  }

  .product-link {
    padding: 5px 0; /* Größerer Touch-Bereich */
  }

  /* --- Textgrößen anpassen --- */
  body {
    font-size: 16px; /* Base font size */
    -webkit-text-size-adjust: 100%; /* Verhindert Auto-Zoom auf iOS */
  }

  h1,
  h2,
  h3 {
    line-height: 1.2;
  }

  /* --- Bildoptimierung --- */
  img {
    max-width: 100%;
    height: auto;
  }
}

/* Extra Small Devices */
@media (max-width: 480px) {
  .page-header h1 {
    font-size: 1.8rem !important;
  }

  .section-tag {
    font-size: 0.7rem;
    padding: 4px 12px;
  }

  .product-info {
    padding: 20px;
  }

  .product-title {
    font-size: 1.2rem;
  }

  .cta-content h2 {
    font-size: 1.5rem !important;
  }
}

/* Tablet Optimization */
@media (min-width: 769px) and (max-width: 1024px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }

  .page-header h1 {
    font-size: 2.8rem !important;
  }
}

/* --- RESPONSIVE NAVIGATION --- */
@media (max-width: 1024px) {
  .nav-links {
    display: none;
  }

  nav .btn {
    display: none;
  }

  .hamburger {
    display: flex;
  }
}