:root {
  --bg: #07111f;
  --bg-soft: #0c1830;
  --surface: rgba(12, 25, 49, 0.62);
  --surface-strong: rgba(8, 18, 34, 0.88);
  --line: rgba(161, 202, 255, 0.16);
  --text: #eaf4ff;
  --muted: #a9bed8;
  --accent: #34b4ff;
  --accent-2: #9de77a;
  --accent-3: #8b7cff;
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.4);
  --radius: 28px;
  --radius-sm: 18px;
  --max: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(52, 180, 255, 0.12), transparent 28%),
    linear-gradient(180deg, #05111f 0%, #081426 40%, #06101c 100%);
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img, video { max-width: 100%; display: block; }
button { font: inherit; }

.noise,
.mesh,
.glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
}

.noise {
  opacity: .05;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(180deg, black, transparent 90%);
}

.mesh-a {
  background:
    radial-gradient(circle at 20% 20%, rgba(52,180,255,.18), transparent 0 24%),
    radial-gradient(circle at 80% 12%, rgba(157,231,122,.11), transparent 0 18%),
    radial-gradient(circle at 80% 65%, rgba(139,124,255,.14), transparent 0 24%);
}

.mesh-b {
  background:
    linear-gradient(120deg, transparent 0 25%, rgba(255,255,255,.03) 25% 26%, transparent 26% 50%, rgba(255,255,255,.03) 50% 51%, transparent 51% 100%);
  background-size: 900px 900px;
  opacity: .18;
}

.glow-a {
  background: radial-gradient(circle at 15% 30%, rgba(52,180,255,.18), transparent 0 20%);
  filter: blur(40px);
}

.glow-b {
  background: radial-gradient(circle at 82% 62%, rgba(157,231,122,.15), transparent 0 18%);
  filter: blur(48px);
}

.glass {
  background: linear-gradient(180deg, rgba(255,255,255,.09), rgba(255,255,255,.03));
  border: 1px solid rgba(180, 220, 255, .12);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
}

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  max-width: var(--max);
  margin: 18px auto 0;
  padding: 16px 22px;
  display: flex;
  align-items: center;
  gap: 20px;
  justify-content: space-between;
  background: rgba(7, 18, 33, .68);
  border: 1px solid var(--line);
  backdrop-filter: blur(18px);
  border-radius: 22px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand img {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  object-fit: cover;
  box-shadow: 0 10px 30px rgba(20, 100, 255, .25);
}

.brand strong { display: block; font-size: 1.15rem; letter-spacing: .02em; }
.brand small { display: block; color: var(--muted); }

.nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
}
.nav a:hover { color: var(--text); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lang-switch {
  display: inline-flex;
  padding: 4px;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--line);
  border-radius: 999px;
}

.lang-switch button {
  border: 0;
  background: transparent;
  color: var(--muted);
  border-radius: 999px;
  padding: 9px 12px;
  cursor: pointer;
}

.lang-switch button.is-active {
  background: linear-gradient(135deg, rgba(52, 180, 255, .28), rgba(157, 231, 122, .22));
  color: var(--text);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 999px;
  padding: 14px 22px;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
  border: 1px solid transparent;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), #1d83ff 60%, #59d7ff 100%);
  color: white;
  box-shadow: 0 18px 35px rgba(29, 131, 255, .35);
}
.btn-secondary {
  border-color: rgba(161, 202, 255, .24);
  background: rgba(255,255,255,.04);
}
.btn-ghost {
  border-color: rgba(161, 202, 255, .18);
  background: rgba(255,255,255,.03);
}
.btn-small { padding: 10px 16px; }

main { padding-bottom: 80px; }

.hero,
.section,
.footer {
  max-width: var(--max);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.hero {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 48px;
  padding-top: 72px;
  align-items: center;
  min-height: calc(100vh - 130px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-transform: uppercase;
  letter-spacing: .16em;
  font-size: .76rem;
  color: #9fd0ff;
  margin-bottom: 18px;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.8rem, 6vw, 5.6rem);
  line-height: .98;
  letter-spacing: -.04em;
}

.hero-lead,
.section-head p,
.value-card p,
.workflow-card p,
.method-copy p,
.adv-card p,
.showcase-copy li,
.deploy-card strong,
.footer span,
.cta-card p {
  color: var(--muted);
}

.hero-lead {
  max-width: 62ch;
  font-size: 1.12rem;
  line-height: 1.7;
  margin: 22px 0 0;
}

.hero-actions,
.cta-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.hero-chips {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 26px;
}
.hero-chips span {
  padding: 11px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
  color: #d8ebff;
  font-size: .95rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.stat { padding: 18px; border-radius: 22px; }
.stat strong { display: block; font-size: 2rem; margin-bottom: 8px; }

.hero-visual { position: relative; min-height: 620px; }
.video-card {
  border-radius: 30px;
  overflow: hidden;
  padding: 14px;
  position: absolute;
  inset: 40px 0 auto 40px;
}
.video-topline {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: .92rem;
}
.video-card img {
  border-radius: 22px;
  width: min(100%, 640px);
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background: #06101b;
}
.floating { animation: float 6.5s ease-in-out infinite; }
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}
.floating-panel {
  position: absolute;
  border-radius: 24px;
  padding: 18px 20px;
  max-width: 260px;
}
.panel-a { right: 10px; top: 42px; }
.panel-b { right: 38px; bottom: 96px; }
.panel-label { display: block; color: #9fd0ff; font-size: .78rem; text-transform: uppercase; letter-spacing: .14em; margin-bottom: 8px; }

.proof { padding-top: 22px; }
.proof-row {
  border-radius: 20px;
  padding: 18px 24px;
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  color: #dff0ff;
  justify-content: center;
}

.section { padding-top: 110px; }
.section-alt { background: linear-gradient(180deg, rgba(255,255,255,.015), rgba(255,255,255,0)); border-radius: 40px; }
.section-dark { position: relative; }
.section-head { max-width: 860px; }
.section-head.narrow { max-width: 720px; }
.section-head.center { text-align: center; margin: 0 auto; }
.section-head h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.05;
  letter-spacing: -.03em;
}
.section-head p { margin-top: 18px; line-height: 1.75; font-size: 1.05rem; }

.value-grid,
.adv-grid,
.deploy-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 34px;
}
.adv-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.deploy-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.value-card,
.adv-card,
.deploy-card {
  border-radius: 26px;
  padding: 26px;
}
.value-num {
  display: inline-flex;
  width: 44px; height: 44px;
  align-items: center; justify-content: center;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(52,180,255,.28), rgba(157,231,122,.18));
  margin-bottom: 16px;
}

.workflow-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  margin-top: 36px;
}
.workflow-card {
  position: relative;
  overflow: hidden;
  border-radius: 30px;
  background: rgba(255,255,255,.035);
  border: 1px solid var(--line);
  min-height: 420px;
}
.workflow-card img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-bottom: 1px solid var(--line);
}
.workflow-card div { padding: 22px; }
.workflow-card span {
  display: inline-flex;
  width: 36px; height: 36px;
  align-items: center; justify-content: center;
  border-radius: 999px;
  background: rgba(52,180,255,.16);
  color: #c8e6ff;
  margin-bottom: 14px;
}
.workflow-card h3 { margin: 0 0 12px; font-size: 1.35rem; }

.method-split {
  display: grid;
  gap: 22px;
  margin-top: 36px;
}
.method-card {
  display: grid;
  grid-template-columns: 1fr .92fr;
  gap: 26px;
  align-items: center;
  border-radius: 32px;
  padding: 22px;
}
.method-card.reverse { grid-template-columns: .92fr 1fr; }
.method-card img {
  width: 100%;
  border-radius: 24px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.03);
}
.method-copy { padding: 12px 10px 12px 8px; }
.method-tag {
  display: inline-flex;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(52,180,255,.16);
  color: #d7eeff;
  margin-bottom: 14px;
  font-size: .82rem;
  text-transform: uppercase;
  letter-spacing: .14em;
}
.method-tag.contour { background: rgba(157,231,122,.14); }
.method-copy h3 { margin: 0 0 14px; font-size: 1.85rem; }
.method-copy ul { margin: 18px 0 0; padding-left: 18px; color: #d9ebff; line-height: 1.75; }

.showcase-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 22px;
  margin-top: 34px;
}
.showcase-video,
.showcase-copy {
  border-radius: 30px;
  padding: 18px;
}
.showcase-video iframe {
  width: 100%;
  min-height: 520px;
  border: 0;
  border-radius: 22px;
  background: #04101d;
}
.showcase-copy ul { margin: 0; padding-left: 18px; line-height: 1.85; }

.gallery-grid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}
.gallery-item {
  padding: 0;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.03);
  border-radius: 22px;
  overflow: hidden;
  cursor: pointer;
}
.gallery-item img { width: 100%; height: 220px; object-fit: cover; transition: transform .35s ease; }
.gallery-item:hover img { transform: scale(1.04); }

.deploy-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.deploy-card span { color: #9fd0ff; font-size: .85rem; text-transform: uppercase; letter-spacing: .16em; }

.cta-section { padding-bottom: 30px; }
.cta-card {
  border-radius: 34px;
  padding: 34px;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 24px;
  align-items: center;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  padding-top: 28px;
  padding-bottom: 30px;
  border-top: 1px solid rgba(255,255,255,.08);
}
.footer-brand strong { display: block; margin-bottom: 6px; }
.footer-links { display: flex; gap: 18px; color: var(--muted); }

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(2, 8, 16, .9);
  display: grid;
  place-items: center;
  padding: 30px;
  z-index: 100;
}
.lightbox img {
  max-width: min(1400px, 92vw);
  max-height: 88vh;
  border-radius: 22px;
  border: 1px solid rgba(255,255,255,.1);
}
.lightbox-close {
  position: absolute;
  top: 22px;
  right: 22px;
  width: 48px; height: 48px;
  border-radius: 999px;
  border: 0;
  cursor: pointer;
  background: rgba(255,255,255,.12);
  color: white;
  font-size: 1.9rem;
}

@media (max-width: 1100px) {
  .nav { display: none; }
  .hero,
  .showcase-grid,
  .cta-card,
  .method-card,
  .method-card.reverse { grid-template-columns: 1fr; }
  .hero-visual { min-height: 540px; }
  .video-card { inset: 10px 0 auto 0; }
  .panel-a { right: 10px; top: auto; bottom: 150px; }
  .panel-b { right: 22px; bottom: 24px; }
  .value-grid,
  .workflow-grid,
  .adv-grid,
  .deploy-grid,
  .gallery-grid,
  .hero-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  .header { margin: 12px; padding: 14px; border-radius: 18px; }
  .hero,
  .section,
  .footer { padding-left: 16px; padding-right: 16px; }
  .hero { padding-top: 36px; gap: 30px; min-height: auto; }
  .hero-stats,
  .value-grid,
  .workflow-grid,
  .adv-grid,
  .deploy-grid,
  .gallery-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: clamp(2.2rem, 13vw, 3.5rem); }
  .video-card { position: relative; inset: auto; }
  .hero-visual { min-height: auto; }
  .floating-panel { position: static; margin-top: 14px; max-width: none; }
  .showcase-video, .showcase-copy, .method-card, .value-card, .adv-card, .deploy-card, .cta-card { padding: 18px; }
  .workflow-card { min-height: auto; }
  .gallery-item img { height: 170px; }
  .footer { flex-direction: column; align-items: flex-start; }
  .header-actions { flex-wrap: wrap; justify-content: flex-end; }
  .btn, .btn-small { width: 100%; }
}

.lightbox[hidden] { display: none !important; }

.contact-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 22px;
  margin-top: 32px;
}
.contact-form,
.contact-side {
  border-radius: 30px;
  padding: 24px;
}
.form-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.contact-form label {
  display: grid;
  gap: 10px;
  margin-bottom: 16px;
}
.contact-form span {
  color: #d9ebff;
  font-size: .94rem;
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(161, 202, 255, .18);
  background: rgba(255,255,255,.04);
  color: var(--text);
  border-radius: 18px;
  padding: 14px 16px;
  outline: none;
}
.contact-form input:focus,
.contact-form textarea:focus {
  border-color: rgba(52,180,255,.55);
  box-shadow: 0 0 0 3px rgba(52,180,255,.12);
}
.form-actions {
  display: flex;
  gap: 18px;
  align-items: center;
  flex-wrap: wrap;
}
.form-status {
  color: var(--muted);
  min-height: 24px;
}
.form-status.ok { color: #9de77a; }
.form-status.err { color: #ff9393; }
.contact-side {
  display: grid;
  gap: 16px;
  align-content: start;
}
.contact-card-item {
  border: 1px solid rgba(161, 202, 255, .12);
  border-radius: 22px;
  padding: 20px;
  background: rgba(255,255,255,.03);
}
.contact-kicker {
  display: block;
  color: #9fd0ff;
  text-transform: uppercase;
  letter-spacing: .14em;
  font-size: .78rem;
  margin-bottom: 10px;
}
@media (max-width: 1100px) {
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .form-row { grid-template-columns: 1fr; }
}


.btn-demo {
  text-align: center;
  justify-content: center;
  align-items: center;
  white-space: normal;
  line-height: 1.25;
}

.btn-demo-header {
  min-width: 176px;
  max-width: 176px;
  padding-left: 16px;
  padding-right: 16px;
}

.demo-download-card {
  margin-top: 24px;
  border: 1px solid rgba(161, 202, 255, .12);
  border-radius: 24px;
  padding: 20px;
  background: rgba(255,255,255,.03);
}

.demo-download-card strong {
  display: block;
  font-size: 1.15rem;
  line-height: 1.35;
  margin-bottom: 10px;
}

.demo-download-card p {
  margin: 0 0 18px;
  color: var(--muted);
  line-height: 1.7;
}

.btn-demo-inline {
  width: 100%;
  max-width: 260px;
}

@media (max-width: 760px) {
  .btn-demo-header,
  .btn-demo-inline {
    max-width: none;
    min-width: 0;
  }
}