:root {
  color-scheme: light dark;
  --bg: #05060a;
  --bg-soft: #0d0f19;
  --bg-card: rgba(255, 255, 255, 0.04);
  --fg: #f5f5f7;
  --muted: #99a1c3;
  --accent: #61f4ff;
  --accent-strong: #a855f7;
  --border: rgba(255, 255, 255, 0.08);
  font-size: 17px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Space Grotesk", system-ui, -apple-system, BlinkMacSystemFont;
  background: var(--bg);
  color: var(--fg);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
  font-size: 1.05rem;
}

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

a {
  color: var(--fg);
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 5vw;
  background: rgba(5, 6, 10, 0.92);
  backdrop-filter: blur(18px);
  z-index: 20;
}

.logo {
  font-weight: 700;
  letter-spacing: 0.15em;
}

nav {
  display: flex;
  gap: 1rem;
  font-size: 0.95rem;
}

.lang-toggle {
  display: flex;
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
}

.lang-btn {
  background: transparent;
  border: none;
  color: var(--fg);
  padding: 0.35rem 0.9rem;
  cursor: pointer;
  font-weight: 500;
}

.lang-btn.active {
  background: var(--accent);
  color: #05060a;
}

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 3rem;
  padding: 6rem 5vw 3rem;
}

.hero__content h1 {
  font-size: clamp(2.6rem, 5.8vw, 4.6rem);
  line-height: 1.1;
}

.hero__lead {
  max-width: 38rem;
  font-size: 1.1rem;
  color: var(--muted);
}

.hero__cta {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.primary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.75rem;
  border-radius: 999px;
  background: linear-gradient(120deg, var(--accent), var(--accent-strong));
  color: #05060a;
  font-weight: 600;
  border: none;
  cursor: pointer;
}

.primary-btn.bordered {
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--fg);
}

.ghost-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--fg);
  background: rgba(255, 255, 255, 0.04);
  font-weight: 600;
  cursor: pointer;
}

.secondary-text {
  font-size: 0.9rem;
  color: var(--muted);
}

.hero {
  position: relative;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 5% 10%;
  background: radial-gradient(circle, rgba(97, 244, 255, 0.15), transparent 65%);
  z-index: -1;
  filter: blur(80px);
}

.slides-carousel {
  padding: 4rem 5vw;
  background: linear-gradient(180deg, rgba(97, 244, 255, 0.04), transparent);
}

.carousel {
  position: relative;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.carousel__viewport {
  overflow: hidden;
  border-radius: 1.5rem;
  border: 1px solid var(--border);
  flex: 1;
}

.carousel__track {
  display: flex;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.carousel__slide {
  min-width: 100%;
  min-height: 320px;
  background-size: cover;
  background-position: center;
  padding: 3rem;
  display: flex;
  align-items: flex-end;
  position: relative;
}

.carousel__slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(5, 6, 10, 0.9), rgba(5, 6, 10, 0.35));
}

.slide__content {
  position: relative;
  z-index: 1;
  max-width: 520px;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.slide__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.slide-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  color: var(--muted);
}

.slide-list li {
  padding-left: 1rem;
  border-left: 2px solid var(--accent);
}

.carousel__nav {
  background: rgba(5, 6, 10, 0.7);
  border: 1px solid var(--border);
  color: var(--fg);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease;
}

.carousel__nav:hover {
  background: rgba(97, 244, 255, 0.2);
}

.carousel__pager {
  margin-top: 1.25rem;
  display: flex;
  justify-content: center;
  gap: 0.5rem;
}

.carousel__pager button {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: transparent;
  cursor: pointer;
}

.carousel__pager button.active {
  background: var(--accent);
  border-color: var(--accent);
}

.social-proof {
  text-align: center;
  padding: 2.5rem 5vw;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.tech-strip {
  padding: 2.5rem 5vw 1rem;
  display: flex;
  justify-content: center;
}

.tech-logos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
  gap: 1.5rem;
  align-items: center;
  max-width: 900px;
  width: 100%;
}

.tech-logos img {
  width: 72px;
  height: 72px;
  object-fit: contain;
  filter: drop-shadow(0 0 8px rgba(0, 0, 0, 0.35));
  opacity: 0.85;
  transition: opacity 0.2s ease;
}

.tech-logos img:hover {
  opacity: 1;
}

.use-cases {
  padding: 4rem 5vw;
  background: linear-gradient(180deg, rgba(5, 6, 10, 0.9), rgba(5, 6, 10, 0.6));
}

.usecase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.75rem;
}

.usecase-card {
  padding: 1.75rem;
  border-radius: 1.5rem;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.usecase-card h3 {
  margin: 0;
  font-size: 1.45rem;
}

.usecase-content {
  display: none;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.7;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.usecase-content ul {
  margin: 0;
  padding-left: 1.25rem;
}

.usecase-content strong {
  color: var(--fg);
}

.usecase-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: auto;
}

.badge-row {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.badge-row span {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
}

.section-heading {
  max-width: 720px;
  margin: 0 auto 2rem;
  text-align: center;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent);
  font-size: 0.75rem;
}

.platforms {
  padding: 4rem 5vw 2rem;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.platform-card {
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  background: var(--bg-soft);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.platform-card header h3 {
  margin: 0;
}

.platform-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.platform-card li {
  font-size: 0.9rem;
  color: var(--muted);
}

.architecture {
  font-size: 0.92rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 0.85rem;
  padding: 0.9rem 1rem;
  color: var(--fg);
}

.label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  display: inline-block;
  margin-right: 0.45rem;
}

.mini-graph {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  text-align: center;
  font-size: 0.8rem;
}

.mini-graph span {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  color: var(--muted);
}

.mini-graph span::before {
  content: "";
  display: block;
  width: 100%;
  height: 90px;
  border-radius: 0.75rem;
  background: linear-gradient(180deg, var(--accent), rgba(97, 244, 255, 0.2));
  opacity: 0.85;
}

.mini-graph[data-bars] span::before {
  position: relative;
}

.mini-graph[data-bars] span:nth-child(1)::before {
  height: calc(var(--bar-a, 70) * 1px);
}

.mini-graph[data-bars] span:nth-child(2)::before {
  height: calc(var(--bar-b, 70) * 1px);
}

.mini-graph[data-bars] span:nth-child(3)::before {
  height: calc(var(--bar-c, 70) * 1px);
}

.approach {
  padding: 4rem 5vw;
}

.journey {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}

.journey article {
  padding: 1.5rem;
  background: var(--bg-soft);
  border-radius: 1.25rem;
  border: 1px solid var(--border);
}

.insights {
  padding: 3rem 5vw;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.insight-card {
  position: relative;
  overflow: hidden;
  border-radius: 1.25rem;
  min-height: 260px;
  padding: 2rem;
  background-size: cover;
  background-position: center;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.insight-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 6, 10, 0) 20%, rgba(5, 6, 10, 0.9));
}

.insight-card * {
  position: relative;
  z-index: 1;
}

.cta-band {
  margin: 4rem 5vw;
  padding: 2.5rem;
  border-radius: 1.5rem;
  background: linear-gradient(120deg, rgba(97, 244, 255, 0.08), rgba(168, 85, 247, 0.12));
  text-align: center;
  border: 1px solid var(--border);
}

.contact {
  padding: 4rem 5vw;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.contact ul {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 2rem;
  border-radius: 1.5rem;
  background: var(--bg-soft);
  border: 1px solid var(--border);
}

label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.honeypot {
  position: absolute;
  left: -9999px;
  visibility: hidden;
}

input, select, textarea {
  border-radius: 0.65rem;
  border: 1px solid var(--border);
  padding: 0.85rem;
  background: rgba(255, 255, 255, 0.02);
  color: var(--fg);
  font-size: 1rem;
}

textarea {
  resize: vertical;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  padding: 2rem 5vw;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--muted);
}

.lang {
  display: none;
}

.lang[data-active="true"], .lang.active {
  display: initial;
}

@media (max-width: 768px) {
  .site-header {
    flex-direction: column;
    gap: 1rem;
  }
  nav {
    flex-wrap: wrap;
    justify-content: center;
  }
  .carousel {
    flex-direction: column;
    gap: 1.25rem;
  }
  .carousel__viewport {
    width: 100%;
    border-radius: 1rem;
  }
  .carousel__nav {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    align-self: center;
  }
  .carousel__slide {
    padding: 1.5rem;
    min-height: 240px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
  }
  .site-footer {
    flex-direction: column;
    gap: 0.5rem;
  }
}