:root {
  --bg: #0a0c10;
  --bg-2: #0d1117;
  --panel: #12151c;
  --border: #27303c;
  --border-soft: rgba(39, 48, 60, 0.55);
  --text: #e2e4e9;
  --text-dim: #8b949e;
  --cyan: #00d4aa;
  --blue: #0099cc;
  --deep: #006688;
  --cyan-soft: rgba(0, 212, 170, 0.12);
  --blue-soft: rgba(0, 153, 204, 0.12);
  --radius: 6px;
  --sans: "DM Sans", "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", "SFMono-Regular", monospace;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font: inherit; }

.grid-bg,
.scanline,
.orb { position: fixed; inset: 0; pointer-events: none; }
.grid-bg {
  z-index: 0;
  background-image:
    linear-gradient(rgba(0, 212, 170, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 170, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
}
.scanline {
  z-index: 1;
  background: repeating-linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.0),
    rgba(255, 255, 255, 0.0) 2px,
    rgba(0, 0, 0, 0.08) 2px,
    rgba(0, 0, 0, 0.08) 4px
  );
  opacity: 0.45;
}
.orb {
  border-radius: 50%;
  filter: blur(120px);
  z-index: 0;
}
.orb-1 { width: 540px; height: 540px; top: -160px; left: -120px; background: rgba(0, 212, 170, 0.12); }
.orb-2 { width: 480px; height: 480px; top: 420px; right: -140px; background: rgba(0, 153, 204, 0.10); }
.orb-3 { width: 420px; height: 420px; top: 1500px; left: 8%; background: rgba(0, 102, 136, 0.10); }

.container {
  width: min(1180px, calc(100vw - 32px));
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(10, 12, 16, 0.88);
  border-bottom: 1px solid var(--border-soft);
  backdrop-filter: blur(10px);
}
.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  min-height: 64px;
}
.nav-logo img { height: 40px; width: auto; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
.nav-links a {
  color: var(--text-dim);
  font-size: 13px;
  font-weight: 600;
}
.nav-links a:hover { color: var(--text); }
#lang-toggle {
  border: 1px solid var(--border);
  background: var(--bg-2);
  color: var(--text-dim);
  border-radius: 4px;
  padding: 6px 10px;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 4px;
  padding: 12px 18px;
  border: 1px solid var(--cyan);
  font-weight: 700;
  font-size: 13px;
  transition: transform .2s ease, opacity .2s ease, background .2s ease, color .2s ease;
}
.btn:hover { transform: translateY(-1px); opacity: 0.95; }
.btn-solid {
  background: var(--cyan);
  color: #061014;
}
.btn-ghost {
  background: transparent;
  color: var(--cyan);
}

main section { padding: 110px 0; position: relative; z-index: 2; }
.section-alt { background: rgba(13, 17, 23, 0.76); border-top: 1px solid var(--border-soft); border-bottom: 1px solid var(--border-soft); }
.section-label,
.eyebrow {
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.section-head { margin-bottom: 48px; }
.section-head h2 {
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: 14px 0 18px;
}
.section-sub {
  max-width: 720px;
  color: var(--text-dim);
  font-size: 17px;
}
.section-sub.center { margin: 0 auto; text-align: center; }

.hero { padding-top: 124px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(0, 212, 170, 0.2);
  background: rgba(0, 212, 170, 0.08);
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 16px var(--cyan);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 32px;
  align-items: center;
}
.hero-copy h1 {
  font-size: clamp(42px, 6vw, 76px);
  line-height: 0.98;
  letter-spacing: -0.05em;
  margin: 16px 0 22px;
}
.hero-sub {
  color: var(--text-dim);
  font-size: 19px;
  max-width: 620px;
}
.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}
.signal-card {
  background: linear-gradient(180deg, rgba(18, 21, 28, 0.96), rgba(13, 17, 23, 0.96));
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 22px;
}
.signal-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
}
.signal-kicker,
.signal-status {
  font-size: 11px;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.signal-kicker { color: var(--cyan); }
.signal-status { color: var(--text-dim); }
.signal-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.metric-panel,
.terminal-card,
.problem-card,
.product-card,
.step,
.mini-card,
.security-card {
  background: linear-gradient(180deg, rgba(13, 17, 23, 0.98), rgba(18, 21, 28, 0.98));
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.metric-panel {
  padding: 18px;
  min-height: 148px;
}
.metric-panel.client { border-color: rgba(0, 153, 204, 0.45); }
.metric-label {
  display: block;
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 14px;
}
.metric-panel strong {
  display: block;
  color: var(--cyan);
  font-size: 42px;
  line-height: 1;
  margin-bottom: 12px;
}
.metric-panel.client strong { color: #4da6ff; }
.metric-panel p { color: var(--text-dim); font-size: 14px; }
.terminal-card {
  grid-column: 1 / -1;
  padding: 18px;
  min-height: 176px;
}
.terminal-line {
  font-family: var(--mono);
  font-size: 13px;
  margin-bottom: 10px;
}
.terminal-line.dim { color: var(--text-dim); }
.terminal-line.accent { color: var(--cyan); }
.prompt { color: var(--cyan); }

.problem-grid,
.products-grid,
.features-grid,
.security-grid {
  display: grid;
  gap: 16px;
}
.problem-grid { grid-template-columns: repeat(3, 1fr); }
.products-grid { grid-template-columns: repeat(2, 1fr); }
.features-grid { grid-template-columns: repeat(3, 1fr); }
.security-grid { grid-template-columns: repeat(2, 1fr); }
.problem-card,
.product-card,
.mini-card,
.security-card,
.step {
  padding: 24px;
}
.problem-tag,
.product-tag {
  display: inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--cyan-soft);
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.problem-tag.client,
.product-tag.client {
  color: #4da6ff;
  background: var(--blue-soft);
}
.product-card.constructor { border-top: 2px solid var(--cyan); }
.product-card.client { border-top: 2px solid var(--blue); }
.product-top {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}
.product-symbol {
  width: 42px;
  height: 42px;
  filter: drop-shadow(0 0 24px rgba(0, 212, 170, 0.18));
}
.product-card h3,
.mini-card h3,
.step h3,
.security-card h3 {
  font-size: 20px;
  margin-bottom: 10px;
}
.feature-list {
  list-style: none;
  display: grid;
  gap: 10px;
  margin-top: 20px;
}
.feature-list li {
  position: relative;
  color: var(--text-dim);
  padding-left: 18px;
}
.feature-list li::before {
  content: "›";
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-weight: 700;
}
.feature-list.client li::before { color: #4da6ff; }

.steps { grid-template-columns: repeat(3, 1fr); display: grid; gap: 18px; }
.step { position: relative; overflow: hidden; }
.step-no {
  display: block;
  font-family: var(--mono);
  font-size: 38px;
  color: rgba(0, 212, 170, 0.14);
  margin-bottom: 18px;
}
.mini-card p,
.security-card p,
.step p,
.problem-card p,
.product-card p {
  color: var(--text-dim);
}

.integration-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.platform-chip {
  border: 1px solid var(--border);
  background: var(--bg-2);
  color: var(--text-dim);
  border-radius: 999px;
  padding: 8px 14px;
  font-family: var(--mono);
  font-size: 12px;
}

.cta-section { text-align: center; }
footer {
  border-top: 1px solid var(--border-soft);
  padding: 28px 0 36px;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 12px;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .65s ease, transform .65s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: .08s; }
.reveal-delay-2 { transition-delay: .16s; }
.reveal-delay-3 { transition-delay: .24s; }

@media (max-width: 980px) {
  .hero-grid,
  .problem-grid,
  .products-grid,
  .features-grid,
  .security-grid,
  .steps {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 780px) {
  nav { position: static; }
  .nav-inner { padding: 16px 0; align-items: flex-start; }
  .nav-links { justify-content: flex-start; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}