:root {
  color-scheme: dark;
  --color-background-top: #121a35;
  --color-background-mid: #060b18;
  --color-background-bottom: #02040c;
  --color-card-bg: rgba(16, 27, 58, 0.9);
  --color-card-border: rgba(255, 255, 255, 0.1);
  --color-text: rgba(255, 255, 255, 0.92);
  --color-text-muted: rgba(255, 255, 255, 0.7);
  --color-text-soft: rgba(255, 255, 255, 0.8);
  --color-primary: #b951ff;
  --color-primary-alt: #2edc9e;
  --color-primary-light: #82b6ff;
  --color-button: linear-gradient(120deg, #5e7bff, #b951ff 55%, #2edc9e);
  --color-button-shadow: 0 12px 35px rgba(46, 62, 140, 0.35);
  --color-shadow-soft: 0 28px 80px rgba(6, 11, 24, 0.45);
  --max-width: 1120px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: linear-gradient(
    180deg,
    var(--color-background-top),
    var(--color-background-mid),
    var(--color-background-bottom)
  );
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background-color: rgba(130, 182, 255, 0.35);
  color: #fff;
}

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

.page {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
}

.page-glow {
  position: absolute;
  inset: -25% -40% auto -40%;
  height: 520px;
  margin: 0 auto;
  background: radial-gradient(
    circle at center,
    rgba(130, 182, 255, 0.35),
    rgba(9, 13, 32, 0)
  );
  filter: blur(120px);
  z-index: -1;
  pointer-events: none;
}

header.header {
  min-height: 96px;
}

.container {
  width: min(92vw, var(--max-width));
  margin: 0 auto;
}

.section {
  padding: clamp(3rem, 5vw, 6rem) 0;
  position: relative;
}

.gradient-text {
  background: linear-gradient(
    90deg,
    var(--color-primary),
    var(--color-primary-alt),
    var(--color-primary-light)
  );
  -webkit-text-fill-color: transparent;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.35rem 1rem;
  border-radius: 999px;
  letter-spacing: 0.32em;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background-color: rgba(255, 255, 255, 0.08);
}

.badge-outline {
  border-color: rgba(185, 81, 255, 0.4);
  background-color: rgba(185, 81, 255, 0.08);
  color: var(--color-primary);
}

.hero {
  padding-top: clamp(4rem, 8vw, 7rem);
}

.hero-glow {
  position: absolute;
  top: 3rem;
  left: 50%;
  width: 640px;
  height: 640px;
  transform: translateX(-10%);
  background: radial-gradient(
    circle at center,
    rgba(185, 81, 255, 0.6),
    rgba(31, 40, 82, 0)
  );
  opacity: 0.65;
  filter: blur(140px);
  pointer-events: none;
  z-index: -1;
}

.hero-grid {
  display: grid;
  gap: clamp(2.5rem, 6vw, 4rem);
}

@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
  }
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  position: relative;
  z-index: 2;
}

.hero-copy h1 {
  font-size: clamp(2.5rem, 4vw, 3.75rem);
  margin: 0;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.hero-copy p {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  margin: 1.5rem 0 0;
  color: var(--color-text-soft);
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

@media (min-width: 640px) {
  .hero-actions {
    flex-direction: row;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-weight: 600;
  font-size: 1rem;
  border-radius: 999px;
  padding: 0.85rem 1.8rem;
  transition: transform 0.18s ease, box-shadow 0.18s ease, opacity 0.18s ease;
  cursor: pointer;
}

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

.btn-primary:hover,
.btn-light:hover {
  transform: translateY(-2px);
}

.btn-ghost {
  border: 1px solid rgba(255, 255, 255, 0.12);
  background-color: rgba(255, 255, 255, 0.08);
  color: #fff;
  box-shadow: 0 20px 40px rgba(3, 7, 18, 0.25);
}

.btn-ghost:hover {
  transform: translateY(-2px);
  box-shadow: 0 30px 60px rgba(3, 7, 18, 0.35);
}

.btn-light {
  background: #fff;
  color: #2451f5;
  box-shadow: 0 18px 44px rgba(6, 12, 34, 0.28);
}

.btn-full {
  width: 100%;
}

.icon {
  width: 20px;
  height: 20px;
}

.hero-illustration {
  position: relative;
  max-width: 520px;
  margin: 0 auto;
}

.hero-illustration-card {
  position: relative;
  border-radius: 36px;
  padding: clamp(2rem, 4vw, 3rem);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: linear-gradient(
    135deg,
    rgba(22, 32, 62, 0.82),
    rgba(8, 13, 30, 0.92)
  );
  box-shadow: var(--color-shadow-soft);
  backdrop-filter: blur(6px);
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.hero-illustration-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
}

.hero-illustration-top .label {
  font-weight: 600;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: #82b6ff;
  font-weight: 600;
}

.status-dot {
  width: 10px;
  height: 10px;
  display: inline-flex;
  border-radius: 999px;
  background: #82b6ff;
  box-shadow: 0 0 0 6px rgba(37, 108, 240, 0.18);
}

.hero-illustration-body {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.hero-illustration-body > p {
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.05rem;
}

.chat-response {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.icon-wrapper {
  width: 56px;
  height: 56px;
  border-radius: 20px;
  background-color: rgba(255, 255, 255, 0.1);
  display: grid;
  place-items: center;
  color: #82b6ff;
}

.chat-response-text p {
  margin: 0;
  color: #fff;
  font-weight: 600;
  line-height: 1.4;
}

.hero-illustration-glow {
  position: absolute;
  left: 25%;
  bottom: -3rem;
  width: 120px;
  height: 120px;
  background: rgba(130, 182, 255, 0.18);
  filter: blur(110px);
  border-radius: 50%;
  pointer-events: none;
}

.section-heading {
  text-align: center;
  max-width: 760px;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 2.75rem);
  line-height: 1.2;
}

.section-heading p {
  margin: 0;
  color: var(--color-text-soft);
  font-size: 1.1rem;
}

.cards-grid {
  margin-top: clamp(2.5rem, 6vw, 3.5rem);
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .cards-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.card {
  position: relative;
  padding: 2rem;
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background-color: rgba(255, 255, 255, 0.05);
  box-shadow: 0 18px 42px rgba(6, 11, 24, 0.32);
  backdrop-filter: blur(4px);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 30px 60px rgba(6, 11, 24, 0.35);
}

.card-icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  background-color: rgba(255, 255, 255, 0.12);
  color: var(--color-primary-light);
}

.card h3 {
  margin: 0;
  font-size: 1.25rem;
}

.card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.95rem;
  line-height: 1.6;
}

.shorttest {
  position: relative;
  overflow: hidden;
}

.shorttest::before,
.shorttest::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  filter: blur(120px);
  pointer-events: none;
}

.shorttest::before {
  top: -40px;
  left: -120px;
  width: 280px;
  height: 280px;
  background: rgba(185, 81, 255, 0.35);
}

.shorttest::after {
  right: -140px;
  bottom: -60px;
  width: 320px;
  height: 320px;
  background: rgba(46, 220, 158, 0.3);
}

.shorttest-content {
  position: relative;
  z-index: 1;
  border-radius: 32px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: linear-gradient(
    135deg,
    rgba(25, 41, 84, 0.92),
    rgba(10, 18, 44, 0.94)
  );
  box-shadow: var(--color-shadow-soft);
  padding: clamp(2.5rem, 6vw, 3.5rem);
  display: grid;
  gap: 2.5rem;
}

@media (min-width: 1024px) {
  .shorttest-content {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
  }
}

.shorttest-text h2 {
  margin-top: 1.5rem;
  font-size: clamp(2.1rem, 4vw, 2.6rem);
}

.shorttest-text p {
  margin-top: 1.5rem;
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.05rem;
}

.shorttest-card {
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background-color: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(5px);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.shorttest-note {
  display: flex;
  gap: 0.9rem;
  align-items: center;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
}

.shorttest-note .icon {
  color: var(--color-primary-alt);
}

.shorttest-hint {
  margin: 0;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.7);
}

.usecases {
  position: relative;
  overflow: hidden;
}

.usecases-glow {
  position: absolute;
  inset: 3rem 0 auto;
  height: 420px;
  background: radial-gradient(
    circle at top,
    rgba(189, 83, 255, 0.28),
    rgba(46, 220, 158, 0.12),
    rgba(17, 27, 58, 0)
  );
  opacity: 0.7;
  filter: blur(140px);
  z-index: -1;
}

.testimonial-card {
  position: relative;
  border-radius: 32px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: linear-gradient(
    135deg,
    rgba(189, 83, 255, 0.12),
    rgba(20, 34, 68, 0.9),
    rgba(16, 28, 56, 0.78)
  );
  padding: clamp(2.5rem, 6vw, 3.5rem);
  box-shadow: var(--color-shadow-soft);
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.testimonial-glow {
  position: absolute;
  right: -50px;
  top: -20px;
  width: 200px;
  height: 200px;
  background: rgba(189, 83, 255, 0.4);
  filter: blur(120px);
  pointer-events: none;
}

.label {
  font-size: 0.75rem;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
}

blockquote {
  margin: 0;
  font-size: clamp(1.6rem, 3.2vw, 1.9rem);
  line-height: 1.6;
  color: #fff;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
  display: grid;
  place-items: center;
  box-shadow: var(--color-button-shadow);
}

.author-name {
  margin: 0;
  font-weight: 600;
}

.author-role {
  margin: 0.25rem 0 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.75rem;
}

.cta-card {
  position: relative;
  border-radius: 32px;
  overflow: hidden;
  background: #1f2852;
  color: #fff;
  padding: clamp(2.5rem, 6vw, 3.5rem);
  box-shadow: var(--color-shadow-soft);
}

.cta-background {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at center,
    rgba(189, 83, 255, 0.45),
    rgba(130, 182, 255, 0.25),
    rgba(31, 40, 82, 0)
  );
  opacity: 0.6;
  pointer-events: none;
}

.cta-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2rem;
}

@media (min-width: 992px) {
  .cta-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }
}

.cta-content h2 {
  margin: 1.5rem 0;
  font-size: clamp(2.1rem, 4vw, 2.5rem);
}

.cta-content p {
  margin: 0 0 1.5rem;
  color: rgba(255, 255, 255, 0.8);
}

.cta-actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

@media (min-width: 640px) {
  .cta-actions {
    flex-direction: row;
    align-items: center;
  }
}

.cta-note {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.72);
}

.cta-sidecard {
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background-color: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(6px);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
}

.sidecard-item {
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.95rem;
}

.sidecard-title {
  margin: 0 0 0.6rem;
  font-weight: 600;
  color: #fff;
}

.sidecard-footnote {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.75);
}

.sidecard-footnote .icon {
  width: 18px;
  height: 18px;
  color: #82b6ff;
}

.datenschutz {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 3rem 0 1rem;
}

.footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(5, 10, 24, 0.8);
  backdrop-filter: blur(8px);
  padding: 2.5rem 0;
}

.footer-content {
  display: flex;
  justify-content: center;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
}

.footer-nav a {
  transition: color 0.18s ease;
}

.footer-nav a:hover {
  color: #fff;
}

@media (max-width: 640px) {
  .section {
    padding-inline: 0;
  }

  .hero-illustration-card,
  .shorttest-card,
  .cta-sidecard {
    padding: 1.75rem;
  }
}
