:root {
  --ink-900: #0f1b24;
  --ink-800: #162633;
  --ink-700: #1f3342;
  --ink-600: #2a4050;
  --ink-500: #3b5564;
  --sea-600: #0b4f7a;
  --sea-500: #0f6fa6;
  --sea-300: #8bc2e6;
  --blue-500: #1b6db2;
  --blue-300: #9ed0f1;
  --sand-50: #f5f7fb;
  --sand-100: #eef3f8;
  --white: #ffffff;
  --shadow: 0 24px 60px rgba(15, 27, 36, 0.12);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --max-width: 1160px;
  --gap: clamp(24px, 4vw, 48px);
}

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

body {
  font-family: "Avenir Next", "Trebuchet MS", "Gill Sans", sans-serif;
  color: var(--ink-900);
  background: radial-gradient(circle at top left, #e6f1ff 0%, #f8fbff 50%, #ffffff 100%);
  line-height: 1.6;
}

body.modal-open {
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.hero-nav {
  width: 100%;
  margin: 0 auto 32px;
  padding: 10px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  position: relative;
  grid-column: 1 / -1;
  text-align: center;
}

.logo {
  display: inline-flex;
  align-items: center;
  max-width: none;
}

.logo img {
  width: clamp(220px, 36vw, 460px);
  height: auto;
  max-height: none;
  object-fit: contain;
  margin: 0 auto;
}

.hero {
  padding: clamp(60px, 8vw, 110px) clamp(20px, 5vw, 48px);
}

.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--gap);
  align-items: center;
}

.eyebrow {
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  color: var(--sea-600);
  margin-bottom: 16px;
}

h1,
h2,
h3,
h4 {
  font-family: "Palatino", "Georgia", serif;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--ink-900);
}

h1 {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  line-height: 1.1;
  margin-bottom: 18px;
}

h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin-bottom: 16px;
}

h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.hero-lead {
  font-size: 1.05rem;
  color: var(--ink-700);
  margin-bottom: 24px;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 14px 26px;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--sea-500), var(--blue-500));
  color: var(--white);
  box-shadow: 0 18px 40px rgba(15, 111, 166, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 24px 50px rgba(15, 111, 166, 0.45);
}

.hero-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.95rem;
  color: var(--ink-500);
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.hero-slider {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: min(980px, 100%);
  margin: -4px auto 6px;
  padding: 0 6px;
}

.slider-track {
  position: relative;
  flex: 1;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--white);
  box-shadow: var(--shadow);
  aspect-ratio: 16 / 9;
  min-height: clamp(240px, 38vw, 420px);
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: scale(1.01);
  transition: opacity 0.6s ease, transform 0.6s ease;
  pointer-events: none;
}

.slide.active {
  opacity: 1;
  transform: scale(1);
  pointer-events: auto;
}

.slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: var(--white);
}

.slider-btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, var(--sea-500), var(--blue-500));
  color: var(--white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  cursor: pointer;
  box-shadow: 0 14px 28px rgba(15, 111, 166, 0.35);
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.slider-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 38px rgba(15, 111, 166, 0.45);
}

.slider-btn:focus-visible {
  outline: 3px solid var(--blue-300);
  outline-offset: 2px;
}

.slider-dots {
  grid-column: 1 / -1;
  display: flex;
  justify-content: center;
  gap: 10px;
  margin: 10px auto 28px;
}

.slider-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: none;
  background: rgba(15, 111, 166, 0.28);
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.slider-dot:hover {
  background: rgba(15, 111, 166, 0.5);
}

.slider-dot.active {
  background: var(--sea-500);
  transform: scale(1.12);
  box-shadow: 0 0 0 6px rgba(15, 111, 166, 0.18);
}
.box-figure {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow);
  max-width: 420px;
  text-align: center;
}

.lora-figure {
  max-width: 360px;
}

.display-figure {
  max-width: 420px;
}

.box-figure img {
  width: 100%;
  height: auto;
  border-radius: 16px;
  object-fit: contain;
  background: #ffffff;
}

.box-figure figcaption {
  margin-top: 12px;
  color: var(--ink-500);
  font-weight: 600;
}

.module-graphic {
  background: linear-gradient(145deg, #e5f0f3, #ffffff);
  border-radius: var(--radius-lg);
  padding: 32px;
  width: min(320px, 90%);
  box-shadow: var(--shadow);
  position: relative;
}

.module-top {
  width: 100%;
  height: 24px;
  background: var(--ink-700);
  border-radius: 12px;
}

.module-body {
  width: 100%;
  height: 160px;
  background: linear-gradient(160deg, var(--ink-800), var(--ink-700));
  margin-top: 18px;
  border-radius: 18px;
}

.module-sensors {
  display: flex;
  gap: 8px;
  position: absolute;
  bottom: 62px;
  left: 50%;
  transform: translateX(-50%);
}

.module-sensors span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--blue-300);
  box-shadow: 0 0 12px rgba(158, 208, 241, 0.8);
}

.module-status {
  margin-top: 20px;
  text-align: center;
  font-weight: 600;
  color: var(--ink-700);
}

.section {
  padding: clamp(60px, 8vw, 100px) clamp(20px, 5vw, 48px);
}

.section.alt {
  background: var(--sand-50);
}

.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-header {
  max-width: 680px;
  margin-bottom: 32px;
}

.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--gap);
  align-items: center;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.pill-row span {
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(15, 111, 166, 0.12);
  color: var(--sea-600);
  font-weight: 600;
}

.info-card,
.feature-card,
.value-card,
.display-card,
.impressum-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 26px;
  box-shadow: var(--shadow);
}

.info-card ul,
.feature-card ul {
  list-style: none;
  display: grid;
  gap: 12px;
  margin-top: 12px;
}

.icon-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink-700);
}

.dot {
  width: 10px;
  height: 10px;
  background: var(--blue-500);
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(27, 109, 178, 0.4);
}

.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 24px;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.alert-box {
  margin-top: 24px;
  padding: 20px;
  border-radius: var(--radius-md);
  background: rgba(27, 109, 178, 0.08);
  border: 1px solid rgba(27, 109, 178, 0.2);
}

.timeline {
  display: grid;
  gap: 20px;
}

.timeline-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: start;
  padding: 18px;
  border-radius: var(--radius-md);
  background: var(--white);
  box-shadow: var(--shadow);
}

.timeline-step span {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--sea-500);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.privacy {
  margin-top: 24px;
  padding: 18px;
  border-radius: var(--radius-md);
  background: rgba(15, 111, 166, 0.08);
}

.radar-visual {
  position: relative;
  width: min(320px, 80vw);
  height: 320px;
  margin: 0 auto;
}

.radar-circle {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid rgba(19, 123, 138, 0.3);
  box-shadow: inset 0 0 0 30px rgba(19, 123, 138, 0.05);
}

.radar-dot {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--blue-500);
  box-shadow: 0 0 12px rgba(27, 109, 178, 0.6);
}

.dot-1 { top: 30%; left: 60%; }
.dot-2 { top: 55%; left: 35%; }
.dot-3 { top: 20%; left: 30%; }

.radar-beam {
  position: absolute;
  width: 50%;
  height: 50%;
  background: conic-gradient(from 0deg, rgba(19, 123, 138, 0.3), rgba(19, 123, 138, 0));
  top: 25%;
  left: 25%;
  border-radius: 50%;
  animation: spin 6s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.display-card {
  background: linear-gradient(140deg, #152a36, #1d3a4a);
  color: var(--white);
}

.display-screen {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  background: rgba(255, 255, 255, 0.08);
  padding: 20px;
  border-radius: var(--radius-md);
}

.display-screen span {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
}

.display-screen strong {
  font-size: 1.2rem;
  display: block;
  margin-top: 6px;
}

.value-card p {
  color: var(--ink-600, #51616d);
}

.roadmap {
  background: linear-gradient(180deg, rgba(15, 111, 166, 0.06), rgba(15, 27, 36, 0.06));
  position: relative;
  overflow: hidden;
}

.roadmap::before {
  content: "";
  position: absolute;
  inset: 0 12%;
  background: radial-gradient(circle at 20% 20%, rgba(143, 205, 235, 0.25), transparent 55%),
              radial-gradient(circle at 80% 10%, rgba(15, 111, 166, 0.18), transparent 50%),
              radial-gradient(circle at 50% 80%, rgba(31, 51, 66, 0.12), transparent 60%);
  pointer-events: none;
}

.roadmap .section-inner {
  position: relative;
  z-index: 1;
}

.roadmap-lead {
  max-width: 760px;
  color: var(--ink-700);
}

.roadmap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 28px;
}

.roadmap-card {
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-md);
  padding: 22px 22px 18px;
  box-shadow: 0 14px 34px rgba(15, 27, 36, 0.12);
  border: 1px solid rgba(15, 111, 166, 0.16);
  position: relative;
  isolation: isolate;
}

.roadmap-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(11, 79, 122, 0.12), rgba(27, 109, 178, 0.14));
  opacity: 0;
  transition: opacity 0.25s ease;
  z-index: -1;
}

.roadmap-card:hover::before {
  opacity: 1;
}

.roadmap-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.quarter {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(15, 111, 166, 0.12);
  color: var(--sea-600);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.roadmap-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  background: linear-gradient(145deg, var(--sea-500), var(--blue-500));
  color: var(--white);
  box-shadow: 0 14px 30px rgba(15, 111, 166, 0.35);
}

.roadmap-card h3 {
  margin-bottom: 10px;
}

.roadmap-card p {
  color: var(--ink-700);
  margin-bottom: 10px;
}

.roadmap-list {
  list-style: none;
  display: grid;
  gap: 8px;
  color: var(--ink-700);
  padding-left: 0;
}

.roadmap-list li {
  position: relative;
  padding-left: 18px;
}

.roadmap-list li::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--sea-500);
  position: absolute;
  left: 0;
  top: 10px;
  box-shadow: 0 0 0 6px rgba(15, 111, 166, 0.16);
}

.roadmap-principle {
  margin-top: 32px;
  padding: 18px 20px;
  border-radius: var(--radius-md);
  background: rgba(15, 27, 36, 0.08);
  border: 1px solid rgba(15, 27, 36, 0.12);
  box-shadow: 0 8px 18px rgba(15, 27, 36, 0.08);
}

.roadmap-principle h3 {
  margin-bottom: 10px;
}

.roadmap-principle ul {
  list-style: none;
  padding-left: 0;
  display: grid;
  gap: 6px;
  color: var(--ink-800);
}

.roadmap-principle li {
  position: relative;
  padding-left: 18px;
}

.roadmap-principle li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--sea-600);
}

.site-footer {
  background: var(--ink-900);
  color: rgba(255, 255, 255, 0.8);
  padding: 60px clamp(20px, 5vw, 48px) 30px;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto 30px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.site-footer h3,
.site-footer h4 {
  color: var(--white);
  margin-bottom: 12px;
}

.site-footer a {
  display: block;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 8px;
}

.link-button {
  display: block;
  width: fit-content;
  background: none;
  border: none;
  padding: 0;
  color: rgba(255, 255, 255, 0.7);
  cursor: pointer;
  font: inherit;
  margin-bottom: 8px;
}

.link-button:hover {
  color: var(--white);
}

.impressum-card {
  max-width: 680px;
}

.impressum-card h3 {
  margin-bottom: 8px;
}

.impressum-card h4 {
  margin-bottom: 6px;
  font-size: 1rem;
}

.impressum-block {
  margin-top: 16px;
}

.modal {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 50;
}

.modal.is-open {
  opacity: 1;
  pointer-events: auto;
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 27, 36, 0.6);
  backdrop-filter: blur(4px);
}

.modal__content {
  position: relative;
  z-index: 1;
  width: min(760px, 92vw);
  max-height: 85vh;
  overflow-y: auto;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
}

.modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: rgba(15, 27, 36, 0.08);
  color: var(--ink-900);
  font-size: 1.3rem;
  cursor: pointer;
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 16px;
  font-size: 0.9rem;
}

@media (max-width: 900px) {
  .roadmap-head {
    align-items: flex-start;
  }

  .logo img {
    width: clamp(240px, 62vw, 520px);
  }
}

@media (max-width: 640px) {
  .hero-actions {
    align-items: flex-start;
  }

  .display-screen {
    grid-template-columns: 1fr;
  }

  .roadmap-grid {
    grid-template-columns: 1fr;
  }
}