* { box-sizing: border-box; }

body {
  font-family: system-ui, Arial, sans-serif;
  margin: 0;
  line-height: 1.5;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 24px;
}

header {
  padding: 48px 24px;
}

button {
  padding: 10px 14px;
  border: 0;
  border-radius: 10px;
  cursor: pointer;
}
* { box-sizing: border-box; }

body{
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: start;
  background: #0b0b0b;
  color: #fff;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  line-height: 1.6;
  padding-top: 40px;
}

.wrapper {
  width: min(1000px, 92vw);
  text-align: center;
  padding: 0 24px;
  margin: 0 auto;
}

/* Hero Section */
.hero-section {
  padding: 20px 0 60px;
}

.hero-img {
  width: 100%;
  max-width: 840px;
  height: auto;
  display: block;
  margin: 0 auto 24px;
  border-radius: 14px;
}

/* App Screenshots Section */
.app-screenshots-section {
  margin: 60px 0;
  padding: 40px 0;
  text-align: center;
}

.smartphone-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
  margin-top: 40px;
}

.smartphone {
  position: relative;
  width: 320px;
  height: 640px;
  background: #1a1a1a;
  border: 12px solid #222;
  border-radius: 40px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(255, 149, 0, 0.2), 0 0 0 1px #444;
}

.smartphone-notch {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 12px;
  height: 12px;
  background: #000;
  border-radius: 50%;
  z-index: 10;
  box-shadow: inset 0 0 3px rgba(0, 0, 0, 0.8);
}

.smartphone-screen {
  width: 100%;
  height: 100%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #000;
}

.screenshot-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.smartphone-button {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 5px;
  background: #333;
  border-radius: 10px;
}

.screenshot-controls {
  display: flex;
  align-items: center;
  gap: 16px;
  justify-content: center;
}

.btn-screen {
  padding: 10px 20px;
  border: 2px solid #ff9500;
  background: transparent;
  color: #ff9500;
  border-radius: 8px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  transition: all 0.2s;
}

.btn-screen:hover {
  background: #ff9500;
  color: #fff;
}

.screen-counter {
  color: #cfcfcf;
  font-size: 16px;
  font-weight: 500;
  min-width: 60px;
}

h1 {
  margin: 0 0 12px;
  font-size: clamp(28px, 4vw, 44px);
  letter-spacing: 0.5px;
}

h2 {
  margin: 40px 0 24px;
  font-size: clamp(20px, 3vw, 28px);
  border-bottom: 2px solid #ff9500;
  padding-bottom: 12px;
  display: inline-block;
}

h3 {
  margin: 20px 0 12px;
  font-size: clamp(16px, 2.5vw, 20px);
  color: #ff9500;
}

h4 {
  margin: 12px 0;
  font-size: clamp(14px, 2vw, 16px);
  color: #fff;
}

p {
  margin: 0;
  color: #cfcfcf;
  font-size: clamp(14px, 1.8vw, 16px);
}

.intro-text {
  max-width: 700px;
  margin: 20px auto !important;
  font-size: clamp(14px, 1.8vw, 16px) !important;
  line-height: 1.8;
}

/* Product Overview */
.product-overview {
  margin-bottom: 60px;
  padding: 30px 0;
  border-bottom: 1px solid #333;
}

.platform-info {
  font-size: clamp(16px, 2vw, 18px);
  color: #ff9500;
  font-weight: 500;
  margin-top: 16px;
}

/* Features/Tabs Section */
.features-section {
  margin-bottom: 60px;
  padding: 30px 0;
}

.tabs-container {
  margin-top: 30px;
}

.tab-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 30px;
}

.tab-btn {
  padding: 12px 20px;
  border: 2px solid #333;
  border-radius: 8px;
  background: transparent;
  color: #cfcfcf;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 500;
}

.tab-btn:hover {
  border-color: #ff9500;
  color: #ff9500;
}

.tab-btn.active {
  background: #ff9500;
  border-color: #ff9500;
  color: #fff;
}

.tab-contents {
  max-width: 800px;
  margin: 0 auto;
  padding: 30px 24px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 12px;
  border: 1px solid #222;
}

.tab-content {
  display: none;
  animation: fadeIn 0.3s ease-in-out;
}

.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.tab-content ul {
  text-align: left;
  margin: 16px 0;
  padding-left: 24px;
}

.tab-content li {
  margin: 12px 0;
  color: #cfcfcf;
  line-height: 1.7;
}

.tab-content strong {
  color: #ff9500;
}

/* Reporting Section */
.reporting-section {
  margin-bottom: 60px;
  padding: 30px 0;
  border-top: 1px solid #333;
  border-bottom: 1px solid #333;
}

.report-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.report-card {
  padding: 24px;
  background: rgba(0, 120, 212, 0.08);
  border: 1px solid rgba(0, 120, 212, 0.3);
  border-radius: 12px;
  text-align: center;
}

.report-card h4 {
  font-size: 18px;
  margin-bottom: 12px;
}

.report-card p {
  font-size: 14px;
  line-height: 1.6;
}

/* Benefits Section */
.benefits-section {
  margin-bottom: 60px;
  padding: 30px 0;
}

.target-group {
  margin: 16px 0 30px !important;
  font-size: 15px !important;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.benefit-card {
  padding: 24px;
  background: rgba(76, 175, 80, 0.08);
  border: 1px solid rgba(76, 175, 80, 0.3);
  border-radius: 12px;
  text-align: center;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.benefit-card:hover {
  transform: translateY(-5px);
  border-color: #4caf50;
}

.benefit-card h4 {
  font-size: 18px;
  margin-bottom: 12px;
  color: #4caf50;
}

.benefit-card p {
  font-size: 14px;
  line-height: 1.6;
}

/* Newsletter & Kontakt Sektion */
.newsletter-section,
.contact-section {
  margin-top: 40px;
  padding-top: 40px;
  border-top: 1px solid #333;
}

.contact-email {
  font-size: clamp(16px, 2vw, 18px);
  margin: 20px 0;
}

.contact-email a {
  color: #ff9500;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

.contact-email a:hover {
  color: #ffb033;
  text-decoration: underline;
}

.contact-notice {
  background: linear-gradient(135deg, rgba(255, 149, 0, 0.15), rgba(255, 149, 0, 0.08));
  border-left: 4px solid #ff9500;
  border-radius: 6px;
  padding: 16px 20px;
  margin: 20px 0 24px;
  font-size: clamp(14px, 1.8vw, 16px);
}

.contact-notice p {
  margin: 0;
  color: #ffb033;
  font-weight: 500;
}

.newsletter-form,
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 500px;
  margin: 20px auto 0;
}

input,
textarea {
  padding: 12px 16px;
  border: 1px solid #444;
  border-radius: 8px;
  background: #1a1a1a;
  color: #fff;
  font-family: inherit;
  font-size: clamp(14px, 1.8vw, 16px);
  transition: border-color 0.2s;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: #ff9500;
}

textarea {
  resize: vertical;
  min-height: 100px;
}

.btn {
  padding: 12px 24px;
  border: 0;
  border-radius: 8px;
  background: #ff9500;
  color: #fff;
  font-size: clamp(14px, 1.8vw, 16px);
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.btn:hover {
  background: #e67e00;
}

.btn:active {
  transform: scale(0.98);
}

.btn-secondary {
  background: #ff9500;
  margin-top: 16px;
}

.btn-secondary:hover {
  background-color: #e67e00;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  z-index: 1000;
  overflow-y: auto;
}

.modal.open {
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-content {
  background: #0b0b0b;
  border: 1px solid #333;
  border-radius: 8px;
  padding: 30px;
  max-width: 900px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 10px;
  right: 20px;
  background: none;
  border: none;
  color: #fff;
  font-size: 32px;
  cursor: pointer;
  padding: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close:hover {
  color: #ff9500;
}

.modal-protokoll-tabs {
  display: flex;
  gap: 12px;
  margin-bottom: 30px;
  border-bottom: 2px solid #333;
}

.modal-tab-btn {
  padding: 12px 24px;
  background: transparent;
  border: none;
  color: #cfcfcf;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: all 0.2s;
}

.modal-tab-btn:hover {
  color: #ff9500;
}

.modal-tab-btn.active {
  color: #ff9500;
  border-bottom-color: #ff9500;
}

.modal-pages-group {
  display: none;
}

.modal-pages-group.active {
  display: grid;
}

.modal-pages {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  margin-top: 20px;
}

.modal-page {
  text-align: center;
}

.modal-page h3 {
  color: #ff9500;
  margin-bottom: 16px;
  font-size: clamp(16px, 2.5vw, 20px);
}

.modal-image {
  width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

.page-description {
  margin-top: 12px;
  font-size: 14px;
  color: #999;
  font-style: italic;
}

.form-message {
  margin-top: 12px;
  font-size: 14px;
  min-height: 20px;
}

.form-message.success {
  color: #4caf50;
}

.form-message.error {
  color: #f44336;
}

/* Responsive */
@media (max-width: 768px) {
  body {
    place-items: start;
  }

  .tab-buttons {
    gap: 8px;
  }

  .tab-btn {
    padding: 10px 14px;
    font-size: 12px;
  }

  h2 {
    font-size: clamp(18px, 3vw, 24px);
  }

  .benefits-grid,
  .report-features {
    grid-template-columns: 1fr;
  }
}

/* Content Images */
.content-image {
  max-width: 100%;
  width: 100%;
  height: auto;
  margin: 24px 0;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* Protocol Gallery */
.protocol-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin: 30px 0;
}

.protocol-slide {
  background: #1a1a1a;
  border: 1px solid #333;
  border-radius: 8px;
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}

.protocol-slide:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(255, 149, 0, 0.2);
}

.protocol-slide h4 {
  margin: 12px;
  color: #ff9500;
  font-size: clamp(14px, 2vw, 16px);
}

.protocol-image {
  width: 100%;
  height: auto;
  display: block;
}