:root {
  --bg: #080c14;
  --bg2: #0d1424;
  --bg3: #111a2e;
  --neon: #00e5ff;
  --neon2: #7c3aed;
  --neon-glow: rgba(0, 229, 255, 0.14);
  --neon2-glow: rgba(124, 58, 237, 0.14);
  --text: #e8edf5;
  --muted: #7b89a6;
  --border: rgba(0, 229, 255, 0.14);
  --border2: rgba(255, 255, 255, 0.07);
  --card: rgba(255, 255, 255, 0.035);
  --card2: rgba(255, 255, 255, 0.055);
  --danger: #ff424d;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Space Grotesk', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,229,255,0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,229,255,0.028) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: '';
  position: fixed;
  top: -220px;
  right: -220px;
  width: 650px;
  height: 650px;
  background: radial-gradient(circle, rgba(124,58,237,0.13) 0%, transparent 68%);
  pointer-events: none;
  z-index: 0;
}

.orb2 {
  position: fixed;
  bottom: -190px;
  left: -180px;
  width: 580px;
  height: 580px;
  background: radial-gradient(circle, rgba(0,229,255,0.09) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

a { color: inherit; }

nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 0 40px;
  height: 66px;
  background: rgba(8, 12, 20, 0.86);
  backdrop-filter: blur(22px);
  border-bottom: 1px solid var(--border2);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
  font-size: 1rem;
  font-weight: 600;
  color: var(--neon);
  text-decoration: none;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 9px;
  display: inline-grid;
  place-items: center;
  background: linear-gradient(135deg, var(--neon), var(--neon2));
  color: #08101d;
  font-weight: 800;
  box-shadow: 0 0 28px rgba(0,229,255,0.28);
}

.brand span { color: var(--text); }

.nav-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-link {
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.88rem;
  padding: 9px 10px;
  border-radius: 9px;
  transition: color 0.18s, background 0.18s;
}

.nav-link:hover { color: var(--text); background: var(--card); }

.dropdown { position: relative; }

.dropbtn,
.lang-select {
  background: transparent;
  color: var(--muted);
  padding: 8px 14px;
  font-size: 0.875rem;
  font-family: inherit;
  font-weight: 600;
  border: 1px solid var(--border2);
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s;
}

.dropbtn:hover,
.lang-select:hover,
.lang-select:focus {
  color: var(--text);
  border-color: var(--border);
  background: var(--card);
  outline: none;
}

.lang-select option { color: #101828; }

.dropdown-content {
  display: none;
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  background: var(--bg2);
  min-width: 230px;
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  z-index: 200;
  box-shadow: var(--shadow);
}

.dropdown-content a,
.dropdown-content .disabled-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 16px;
  font-size: 0.88rem;
  text-decoration: none;
  transition: background 0.15s;
}

.dropdown-content a { color: var(--text); }
.dropdown-content a:hover { background: var(--neon-glow); color: var(--neon); }
.disabled-item { color: var(--muted); cursor: not-allowed; }
.badge-soon {
  margin-left: auto;
  font-size: 0.64rem;
  background: rgba(124,58,237,0.22);
  color: #bda7ff;
  padding: 2px 7px;
  border-radius: 20px;
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.05em;
  border: 1px solid rgba(124,58,237,0.32);
}
.dropdown:hover .dropdown-content { display: block; }

.wrap,
.hero,
.section {
  position: relative;
  z-index: 1;
}

.wrap { max-width: 1060px; margin: 0 auto; padding: 0 40px; }

.hero {
  max-width: 1060px;
  margin: 0 auto;
  padding: 96px 40px 82px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 46px;
  align-items: center;
}

.hero.center { display: block; max-width: 900px; text-align: center; }
.hero.center .hero-sub { margin-left: auto; margin-right: auto; }
.hero.center .cta-group { justify-content: center; }

.hero-eyebrow,
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
  font-size: 0.75rem;
  color: var(--neon);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 26px;
  padding: 6px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--neon-glow);
}

.hero-eyebrow::before,
.eyebrow-dot {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--neon);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(0.84); }
}

h1 {
  font-size: clamp(2.25rem, 5vw, 4.35rem);
  font-weight: 740;
  line-height: 1.06;
  letter-spacing: -0.04em;
  margin-bottom: 22px;
}

h1 .accent,
.grad {
  background: linear-gradient(135deg, var(--neon), #9b72ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub,
.hero-lead {
  font-size: 1.08rem;
  color: var(--muted);
  line-height: 1.76;
  max-width: 650px;
  margin-bottom: 36px;
}

.hero-visual {
  min-height: 360px;
  border: 1px solid var(--border2);
  border-radius: 28px;
  background:
    radial-gradient(circle at 20% 20%, rgba(0,229,255,0.2), transparent 28%),
    radial-gradient(circle at 88% 20%, rgba(124,58,237,0.22), transparent 30%),
    linear-gradient(145deg, rgba(255,255,255,0.06), rgba(255,255,255,0.018));
  box-shadow: var(--shadow);
  padding: 34px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  position: relative;
}

.hero-visual::before {
  content: '';
  position: absolute;
  inset: 18px;
  border-radius: 22px;
  border: 1px solid rgba(0,229,255,0.11);
  pointer-events: none;
}

.visual-icon {
  width: 90px;
  height: 90px;
  border-radius: 26px;
  display: grid;
  place-items: center;
  background: rgba(0,229,255,0.12);
  border: 1px solid rgba(0,229,255,0.22);
  box-shadow: 0 0 48px rgba(0,229,255,0.22);
}

.visual-lines { display: grid; gap: 12px; }
.visual-line {
  height: 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  overflow: hidden;
}
.visual-line span {
  display: block;
  height: 100%;
  width: var(--w, 72%);
  border-radius: inherit;
  background: linear-gradient(90deg, var(--neon), var(--neon2));
  opacity: 0.92;
}

.visual-title {
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.25;
  max-width: 320px;
}

.cta-group {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn-primary,
.btn-secondary,
.btn-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 25px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 740;
  font-size: 0.96rem;
  transition: all 0.2s;
}

.btn-primary,
.btn-download {
  background: var(--neon);
  color: #080c14;
  box-shadow: 0 0 34px rgba(0,229,255,0.30);
}

.btn-primary:hover,
.btn-download:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 54px rgba(0,229,255,0.48);
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border2);
}

.btn-secondary:hover {
  border-color: var(--border);
  background: var(--card);
  transform: translateY(-2px);
}

.divider { border: none; border-top: 1px solid var(--border2); margin: 0; }

.section { max-width: 1060px; margin: 0 auto; padding: 70px 40px; }
.section.compact { padding-top: 54px; padding-bottom: 54px; }
.section-label,
.sec-label {
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.section-title,
.sec-title {
  font-size: clamp(1.55rem, 3vw, 2.25rem);
  font-weight: 740;
  letter-spacing: -0.03em;
  margin-bottom: 34px;
}

.products-grid,
.feature-grid,
.value-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.product-card,
.feature-card,
.val-item,
.uc-card,
.cr-card,
.notice,
.info-card {
  background: var(--card);
  border: 1px solid var(--border2);
  border-radius: 18px;
  transition: all 0.25s;
}

.product-card,
.feature-card,
.info-card {
  padding: 28px;
}

.product-card {
  position: relative;
  overflow: hidden;
  text-decoration: none;
  display: block;
}

.product-card::before,
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--neon), transparent);
  opacity: 0;
  transition: opacity 0.25s;
}

.product-card.active { border-color: rgba(0,229,255,0.26); }
.product-card.active::before { opacity: 1; }
.product-card:hover,
.feature-card:hover,
.info-card:hover,
.val-item:hover,
.uc-card:hover,
.cr-card:hover {
  border-color: rgba(0,229,255,0.25);
  background: rgba(0,229,255,0.035);
  transform: translateY(-3px);
}
.product-card:hover::before,
.feature-card:hover::before { opacity: 1; }
.product-card.disabled { cursor: default; opacity: 0.56; }
.product-card.disabled:hover { transform: none; border-color: var(--border2); background: var(--card); }

.product-icon,
.val-icon {
  width: 46px;
  height: 46px;
  border-radius: 13px;
  background: var(--neon-glow);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.product-icon.purple { background: var(--neon2-glow); border-color: rgba(124,58,237,0.28); }
.product-name { font-size: 1.16rem; font-weight: 740; margin-bottom: 8px; }
.product-desc,
.feature-text,
.info-text,
.uc-desc,
.step-desc,
.val-text,
.cr-lbl,
.notice { color: var(--muted); line-height: 1.65; }
.product-desc { font-size: 0.9rem; }
.product-tag,
.uc-badge {
  display: inline-flex;
  margin-top: 16px;
  font-size: 0.68rem;
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: 999px;
}
.tag-active,
.uc-badge { background: rgba(0,229,255,0.1); color: var(--neon); border: 1px solid rgba(0,229,255,0.22); }
.tag-soon { background: rgba(124,58,237,0.12); color: #bda7ff; border: 1px solid rgba(124,58,237,0.24); }

.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.info-list { list-style: none; display: grid; gap: 12px; margin-top: 18px; }
.info-list li { display: flex; gap: 10px; color: var(--muted); line-height: 1.55; }
.info-list strong { color: var(--text); }
.info-list li::before { content: '›'; color: var(--neon); font-weight: 800; }

.hero-insight {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: rgba(0,229,255,0.045);
  border: 1px solid var(--border);
  border-left: 3px solid var(--neon);
  border-radius: 0 12px 12px 0;
  padding: 15px 20px;
  margin: 0 0 36px;
  max-width: 660px;
  font-size: 0.92rem;
  color: #a8b5cc;
  line-height: 1.67;
}
.hero-insight strong { color: var(--text); }
.btn-note {
  margin-top: 12px;
  font-size: 0.78rem;
  color: var(--muted);
  font-family: 'JetBrains Mono', monospace;
  display: flex;
  align-items: center;
  gap: 6px;
}
.usecases { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.uc-card { padding: 22px; position: relative; overflow: hidden; }
.uc-card.primary { border-color: rgba(0,229,255,0.22); }
.uc-icon { font-size: 1.42rem; margin-bottom: 12px; display: block; }
.uc-name { font-size: 0.94rem; font-weight: 740; margin-bottom: 8px; }
.uc-desc { font-size: 0.82rem; }
.steps { display: flex; flex-direction: column; gap: 4px; }
.step { display: flex; gap: 20px; padding: 18px 20px; border-radius: 14px; transition: background 0.2s; }
.step:hover { background: var(--card); }
.step-line { display: flex; flex-direction: column; align-items: center; flex-shrink: 0; }
.step-num {
  width: 42px; height: 42px; border-radius: 12px;
  background: var(--bg2); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-family: 'JetBrains Mono', monospace; font-size: 0.8rem; color: var(--neon);
}
.step-connector { width: 1px; flex: 1; min-height: 16px; background: linear-gradient(to bottom, rgba(0,229,255,0.2), transparent); }
.step-body { padding-top: 8px; padding-bottom: 4px; }
.step-title { font-size: 0.98rem; font-weight: 700; margin-bottom: 5px; }
.step-desc { font-size: 0.86rem; }
.val-item { display: flex; gap: 14px; align-items: flex-start; padding: 19px 20px; }
.val-icon { margin-bottom: 0; flex-shrink: 0; }
.val-text { font-size: 0.88rem; }
.val-text strong { color: var(--text); display: block; margin-bottom: 3px; font-size: 0.92rem; }
.credits-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-bottom: 20px; }
.cr-card { padding: 20px; }
.cr-val { font-family: 'JetBrains Mono', monospace; font-size: 1.55rem; font-weight: 600; color: var(--neon); margin-bottom: 6px; }
.cr-lbl { font-size: 0.8rem; }
.notice { display: flex; align-items: flex-start; gap: 12px; padding: 15px 18px; font-size: 0.84rem; }
.notice svg { flex-shrink: 0; margin-top: 1px; }

footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 34px 40px;
  border-top: 1px solid var(--border2);
  font-size: 0.78rem;
  color: var(--muted);
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
  letter-spacing: 0.05em;
}
.footer-links { display: flex; justify-content: center; gap: 18px; margin-top: 12px; flex-wrap: wrap; }
.footer-links a { color: var(--muted); text-decoration: none; }
.footer-links a:hover { color: var(--neon); }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 72px; }
  .hero-visual { min-height: 300px; }
  .about-grid { grid-template-columns: 1fr; }
  .usecases { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  nav { padding: 0 18px; height: auto; min-height: 66px; flex-wrap: wrap; padding-top: 10px; padding-bottom: 10px; }
  .nav-right { gap: 6px; flex-wrap: wrap; justify-content: flex-end; }
  .nav-link { display: none; }
  .wrap, .hero, .section { padding-left: 20px; padding-right: 20px; }
  .hero { padding-top: 58px; padding-bottom: 56px; }
  h1 { font-size: 2.15rem; }
  .products-grid, .feature-grid, .value-grid { grid-template-columns: 1fr; }
  .credits-row { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .brand { font-size: 0.9rem; }
  .dropbtn, .lang-select { padding: 7px 10px; }
  .cta-group { flex-direction: column; }
  .btn-primary, .btn-secondary, .btn-download { width: 100%; }
  .usecases { grid-template-columns: 1fr; }
  .step { padding: 16px 0; }
  .hero-visual { min-height: 260px; padding: 26px; }
}