/* Farbschema wie im Tool (modern.qss) */
:root {
  --bg-main: #f5f5f7;
  --bg-work: #e9ecef;
  --bg-panel: #ffffff;
  --primary: #124559;
  --primary-hover: #598392;
  --primary-pressed: #01161e;
  --text: #212529;
  --border: #dee2e6;
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--text);
  background-color: var(--bg-main);
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
.header {
  background-color: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 10;
}

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

.logo {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--primary);
  text-decoration: none;
}

.logo:hover {
  color: var(--primary-hover);
}

.nav {
  display: flex;
  gap: 1.5rem;
}

.nav a {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
}

.nav a:hover {
  color: var(--primary);
}

/* Hero */
.hero {
  padding: 4rem 0 5rem;
  text-align: center;
  background-image: linear-gradient(to bottom, rgba(18, 69, 89, 0.28), rgba(18, 69, 89, 0.22)), url('images/bg.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  color: #fff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.hero-lead {
  margin: 0 0 0.75rem;
  font-size: 1.125rem;
  color: #fff;
  opacity: 0.95;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
}

.hero-disclaimer {
  margin: 0 0 2rem;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.9);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background-color 0.2s;
}

.btn-primary {
  background-color: var(--primary);
  color: #fff;
}

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

.btn-primary:active {
  background-color: var(--primary-pressed);
}

.btn-download {
  background-color: var(--primary);
  color: #fff;
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

.btn-download:hover {
  background-color: var(--primary-hover);
}

.btn-download:active {
  background-color: var(--primary-pressed);
}

/* Sections */
.section {
  padding: 3rem 0;
}

.section h2 {
  margin: 0 0 2rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  text-align: center;
}

.section-benefits {
  background-color: var(--bg-work);
}

.benefits {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.benefits li {
  background-color: var(--bg-panel);
  padding: 1.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.benefit-icon {
  display: block;
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.benefits h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary);
}

.benefits p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text);
}

/* Steps */
.section-steps {
  background-color: var(--bg-main);
}

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: step;
}

.steps li {
  display: flex;
  gap: 1.25rem;
  margin-bottom: 2rem;
  counter-increment: step;
}

.steps li:last-child {
  margin-bottom: 0;
}

.step-num {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  background-color: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
}

.steps h3 {
  margin: 0 0 0.25rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
}

.steps p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text);
}

/* FAQ */
.section-faq {
  background-color: var(--bg-work);
}

.faq-list {
  margin: 0;
  padding: 0;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.faq-list dt {
  margin: 1rem 0 0.25rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
}

.faq-list dt:first-child {
  margin-top: 0;
}

.faq-list dd {
  margin: 0 0 0.5rem;
  padding: 0 0 1rem;
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--text);
  border-bottom: 1px solid var(--border);
}

.faq-list dd:last-of-type {
  border-bottom: none;
  padding-bottom: 0;
}

.faq-list dd ul {
  margin: 0.5rem 0;
  padding-left: 1.25rem;
}

.faq-list dd p {
  margin: 0.5rem 0 0;
}

/* Download */
.section-download {
  background-color: var(--bg-main);
}

.download-intro {
  text-align: center;
  margin: 0 0 1.5rem;
  font-size: 1rem;
}

.download-box {
  background-color: var(--bg-panel);
  padding: 2rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  text-align: center;
}

.download-note {
  margin: 1rem 0 0;
  font-size: 0.875rem;
  color: var(--text);
  opacity: 0.85;
}

/* Login / Registrierung */
.auth-main {
  padding: 2rem 0 4rem;
  background-color: var(--bg-main);
}

.auth-intro {
  text-align: center;
  margin: 0 0 2rem;
  font-size: 1rem;
  color: var(--text);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.auth-main .back-link {
  display: inline-block;
  margin-bottom: 1.5rem;
  font-size: 0.9375rem;
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
}

.auth-main .back-link:hover {
  text-decoration: underline;
}

.auth-main h1 {
  margin: 0 0 0.5rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  text-align: center;
}

.auth-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  max-width: 720px;
  margin: 0 auto;
}

.auth-card {
  background-color: var(--bg-panel);
  padding: 1.75rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.auth-card h2 {
  margin: 0 0 1.25rem;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--primary);
}

.auth-form label {
  display: block;
  margin: 0 0 0.35rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text);
}

.auth-form input {
  width: 100%;
  margin-bottom: 1rem;
  padding: 0.6rem 0.75rem;
  font-size: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background-color: var(--bg-panel);
  color: var(--text);
}

.auth-form input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(18, 69, 89, 0.2);
}

.btn-block {
  width: 100%;
  margin-top: 0.25rem;
}

.auth-message {
  margin: 1rem 0 0;
  font-size: 0.875rem;
  min-height: 1.25em;
}

.auth-message-success {
  color: #0d6832;
}

.auth-message-error {
  color: #a72b2b;
}

.btn-secondary {
  background-color: var(--bg-work);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background-color: var(--border);
}

/* Mein Bereich: Gerät verbinden */
.device-card {
  max-width: 480px;
}

.device-intro {
  margin: 0 0 1.25rem;
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--text);
}

.device-code-area {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}

.device-code-label {
  margin: 0 0 0.35rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text);
}

.device-code-value {
  margin: 0 0 0.5rem;
  font-family: ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, monospace;
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--primary);
}

.device-code-expires {
  margin: 0 0 1rem;
  font-size: 0.875rem;
  color: var(--text);
  opacity: 0.85;
}

.account-logout {
  margin-top: 2rem;
  font-size: 0.9375rem;
}

.account-logout a {
  color: var(--primary);
  text-decoration: none;
}

.account-logout a:hover {
  text-decoration: underline;
}

.device-list-card {
  max-width: 480px;
  margin-top: 2rem;
}

.devices-list {
  margin-top: 0.75rem;
}

.devices-muted {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--text);
  opacity: 0.8;
}

.devices-ul {
  margin: 0;
  padding-left: 1.25rem;
  font-size: 0.9375rem;
  color: var(--text);
}

.devices-item {
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.devices-item-text {
  flex: 1;
  min-width: 0;
}

.btn-remove {
  padding: 0.35rem 0.6rem;
  font-size: 0.8125rem;
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--border);
}

.btn-remove:hover {
  background-color: var(--bg-work);
  border-color: var(--primary);
}

/* Footer */
.footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  background-color: var(--bg-panel);
  text-align: center;
}

.footer p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text);
  opacity: 0.8;
}

.footer p + p {
  margin-top: 0.5rem;
}

.footer a {
  color: var(--primary);
  text-decoration: none;
}

.footer a:hover {
  text-decoration: underline;
}

/* Rechtliche Seiten (Impressum, Datenschutz, Haftungsausschluss, TWS API) */
.legal-main {
  padding: 2rem 0 4rem;
  background-color: var(--bg-main);
}

.container-legal {
  max-width: 680px;
}

.back-link {
  display: inline-block;
  margin-bottom: 1.5rem;
  font-size: 0.9375rem;
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
}

.back-link:hover {
  text-decoration: underline;
}

.legal-main h1 {
  margin: 0 0 0.5rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
}

.legal-intro {
  margin: 0 0 1.5rem;
  font-size: 0.9375rem;
  color: var(--text);
  opacity: 0.9;
}

.legal-main h2 {
  margin: 1.75rem 0 0.5rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary);
}

.legal-main h2:first-of-type {
  margin-top: 0;
}

.legal-main h3 {
  margin: 1.25rem 0 0.35rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}

.legal-main h4 {
  margin: 0.75rem 0 0.25rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text);
}

.legal-main p {
  margin: 0 0 1rem;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--text);
}

.legal-list {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--text);
}

.legal-list li {
  margin-bottom: 0.35rem;
}

.legal-img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 1rem 0;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

/* Zwei Screenshots im oberen Bereich (TWS API-Seite) */
.screenshots-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1.5rem 0 2rem;
  padding: 0;
}

.screenshots-block .legal-img {
  width: 100%;
  margin: 0;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.legal-table {
  width: 100%;
  margin: 0.75rem 0 1rem;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.legal-table th,
.legal-table td {
  padding: 0.5rem 0.75rem;
  text-align: left;
  border: 1px solid var(--border);
}

.legal-table th {
  background-color: var(--bg-work);
  font-weight: 600;
  color: var(--primary);
}

.legal-main a {
  color: var(--primary);
  text-decoration: none;
}

.legal-main a:hover {
  text-decoration: underline;
}

.legal-updated {
  margin-top: 2rem !important;
  font-size: 0.875rem !important;
  opacity: 0.75;
}

/* Smooth scroll */
html {
  scroll-behavior: smooth;
}

/* Responsive */
@media (max-width: 600px) {
  .nav {
    gap: 1rem;
  }
  .hero {
    padding: 3rem 0 4rem;
  }
  .steps li {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 560px) {
  .screenshots-block {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}