* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: #fff; }
button { font: inherit; }
h1, h2, h3, h4, h5, h6,
.to-display-2xl, .to-display-xl, .to-display-lg, .to-h1, .to-h2, .to-h3, .to-h4 {
  letter-spacing: 0;
}
.container { width: min(1200px, calc(100% - 48px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255,255,255,.86);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-1);
}
.header-inner {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--to-navy-900);
  text-decoration: none;
  flex: 0 0 auto;
}
.wordmark:hover { text-decoration: none; }
.wordmark img { width: 30px; height: 30px; display: block; }
.wordmark span {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 800;
  letter-spacing: 0;
  line-height: 1;
}
.wordmark em {
  color: var(--to-navy-500);
  font-style: normal;
  font-weight: 500;
}
.nav {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 14px;
  color: var(--fg-2);
}
.nav a { color: inherit; text-decoration: none; }
.nav a:hover { color: var(--to-navy-700); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  padding: 10px 16px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: var(--to-navy-900);
  color: #fff;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: background var(--dur-fast) var(--ease-standard), border-color var(--dur-fast) var(--ease-standard), color var(--dur-fast) var(--ease-standard);
}
.button:hover { background: var(--to-navy-700); color: #fff; text-decoration: none; }
.button .fa-arrow-right {
  font-size: .86em;
  line-height: 1;
}
.button.secondary { background: #fff; color: var(--to-navy-900); border-color: var(--to-slate-300); }
.button.secondary:hover { background: var(--to-navy-050); color: var(--to-navy-900); }
.button.ghost { background: transparent; color: var(--to-navy-900); }
.button.ghost:hover { background: var(--to-navy-100); color: var(--to-navy-900); }
.button.inverse { background: #fff; color: var(--to-navy-900); }
.button.inverse:hover { background: var(--to-navy-100); color: var(--to-navy-900); }
.button.inverse-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.24); }
.button.inverse-ghost:hover { background: rgba(255,255,255,.1); color: #fff; }
.button.small { min-height: 34px; padding: 8px 12px; font-size: 13px; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--to-navy-500);
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .14em;
  line-height: 1.4;
  text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 20px; height: 1px; background: currentColor; opacity: .7; }
.eyebrow.dark { color: var(--to-navy-300); }
.pill {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--to-navy-100);
  color: var(--to-navy-700);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  line-height: 1;
}
.pill.live { background: rgba(34,197,94,.12); color: #166534; }
.hero {
  position: relative;
  overflow: hidden;
  padding: 96px 0 0;
  background: var(--to-navy-900);
  color: #fff;
  text-align: center;
}
.hero::before,
.cta-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .18;
  background-image:
    linear-gradient(rgba(255,255,255,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 38%, transparent 80%);
}
.hero .container { position: relative; }
.hero h1 {
  max-width: 920px;
  margin: 24px auto 0;
  color: #fff;
}
.hero h1 span { color: var(--to-navy-300); }
.hero p {
  max-width: 690px;
  margin: 24px auto 0;
  color: rgba(255,255,255,.72);
}
.hero-actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.terminal {
  max-width: 1080px;
  margin: 72px auto 0;
  padding: 20px;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 16px 16px 0 0;
  background: var(--to-navy-800);
  box-shadow: 0 40px 80px -20px rgba(0,0,0,.4);
  text-align: left;
}
.terminal-chrome { display: flex; align-items: center; gap: 6px; margin-bottom: 16px; }
.terminal-dot { width: 10px; height: 10px; border-radius: 999px; background: rgba(255,255,255,.22); }
.terminal-title {
  margin-left: auto;
  color: rgba(255,255,255,.46);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
}
.terminal-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.term-label {
  color: rgba(255,255,255,.45);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.term-row { display: flex; align-items: baseline; gap: 10px; margin-top: 6px; min-width: 0; }
.term-value {
  color: #fff;
  font-family: var(--font-mono);
  font-size: 22px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.term-delta { color: var(--to-signal-up); font-family: var(--font-mono); font-size: 12px; }
.term-meta { color: rgba(255,255,255,.55); font-family: var(--font-mono); font-size: 11px; margin-top: 2px; }
.chart { height: 160px; margin-top: 20px; }
.section { padding: 112px 0; }
.section.alt { background: var(--to-navy-050); }
.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 80px;
  align-items: end;
  margin-bottom: 56px;
}
.section-head h2, .center-head h2 { margin-top: 20px; }
.section-head p, .center-head p { color: var(--fg-2); }
.center-head {
  max-width: 760px;
  margin: 0 auto 64px;
  text-align: center;
}
.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 36px;
  border-bottom: 1px solid var(--border-1);
}
.tab {
  padding: 14px 20px;
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--fg-3);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  margin-bottom: -1px;
}
.tab.active { color: var(--to-navy-900); border-bottom-color: var(--to-navy-900); }
.strategy-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 64px; align-items: start; }
.strategy-pills { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.strategy-copy { color: var(--fg-2); margin-top: 16px; font-size: 16px; line-height: 1.6; }
.stats { display: grid; gap: 14px; margin-top: 32px; }
.stat-row { display: flex; justify-content: space-between; gap: 18px; border-bottom: 1px dashed var(--border-1); padding-bottom: 10px; }
.stat-key { color: var(--fg-3); font-family: var(--font-mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
.stat-value { color: var(--fg-1); font-family: var(--font-mono); font-size: 14px; text-align: right; }
.schematic {
  min-height: 380px;
  padding: 28px;
  border: 1px solid var(--border-1);
  border-radius: 16px;
  background: #f6f7fa;
}
.schematic-head { display: flex; justify-content: space-between; gap: 16px; margin-bottom: 20px; color: var(--fg-3); font-family: var(--font-mono); font-size: 10px; letter-spacing: .1em; text-transform: uppercase; }
.circuit {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 40px;
  align-items: center;
  margin-top: 80px;
  padding: 40px;
  border-radius: 20px;
  background: var(--to-navy-900);
  color: #fff;
}
.circuit-icon {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  border: 1px solid rgba(245,181,68,.3);
  border-radius: 16px;
  background: rgba(245,181,68,.14);
  color: var(--to-signal-warn);
  font-family: var(--font-mono);
  font-size: 28px;
}
.circuit h3 { color: #fff; margin-top: 10px; }
.circuit p { color: rgba(255,255,255,.65); margin-top: 8px; max-width: 640px; }
.diagram {
  padding: 40px;
  border: 1px solid var(--border-1);
  border-radius: 20px;
  background: #fff;
}
.diagram-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; }
.diagram-col { display: flex; flex-direction: column; gap: 16px; }
.diagram-label {
  color: var(--fg-4);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.node {
  padding: 14px 16px;
  border: 1px solid var(--border-1);
  border-radius: 12px;
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.node-title { color: var(--fg-1); font-family: var(--font-display); font-size: 13px; font-weight: 700; }
.node-meta { color: var(--fg-3); font-family: var(--font-mono); font-size: 10px; letter-spacing: .06em; margin-top: 4px; }
.node.core { padding: 20px; border-color: transparent; background: var(--to-navy-900); color: #fff; }
.node.core .node-title { color: #fff; font-size: 14px; }
.node.core .node-meta { color: rgba(255,255,255,.66); font-family: var(--font-body); font-size: 12px; line-height: 1.5; letter-spacing: 0; }
.core-top { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.core-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid rgba(255,255,255,.1);
}
.core-stats div { color: rgba(255,255,255,.45); font-family: var(--font-mono); font-size: 9px; letter-spacing: .1em; }
.core-stats strong { display: block; color: #fff; font-size: 16px; font-weight: 500; letter-spacing: 0; margin-top: 2px; }
.security-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 80px; align-items: center; }
.security-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.security-list { display: grid; gap: 14px; }
.security-card {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 16px;
  padding: 20px;
  border: 1px solid var(--border-1);
  border-radius: 12px;
  background: #fff;
}
.security-num { color: var(--to-navy-500); font-family: var(--font-mono); font-size: 11px; letter-spacing: .08em; }
.security-title { color: var(--fg-1); font-family: var(--font-display); font-size: 15px; font-weight: 700; }
.security-text { color: var(--fg-2); font-size: 14px; line-height: 1.55; margin-top: 4px; }
.library-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 34px;
}
.library-head h2 { margin-top: 20px; }
.library-head p { max-width: 520px; color: var(--fg-2); }
.library-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}
.library-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 100%;
  padding: 22px;
  border: 1px solid var(--border-1);
  border-radius: 12px;
  background: #fff;
  box-shadow: var(--shadow-sm);
  text-decoration: none;
}
.library-card:hover { text-decoration: none; border-color: var(--to-navy-300); }
.library-card h3 {
  margin: 0;
  color: var(--fg-1);
  font-size: 19px;
  line-height: 1.25;
  letter-spacing: 0;
}
.library-card p { margin: 0; color: var(--fg-2); font-size: 14px; line-height: 1.55; }
.library-meta {
  color: var(--fg-3);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.cta { padding: 32px 0 96px; }
.cta-panel {
  position: relative;
  overflow: hidden;
  padding: 80px 64px;
  border-radius: 24px;
  background: var(--to-navy-900);
  color: #fff;
  text-align: center;
}
.cta-panel::before { opacity: .14; background-size: 48px 48px; mask-image: radial-gradient(ellipse 60% 60% at 50% 50%, black 30%, transparent 75%); }
.cta-panel > * { position: relative; }
.cta-panel h2 { max-width: 760px; margin: 20px auto 0; color: #fff; }
.cta-panel p { max-width: 600px; margin: 20px auto 0; color: rgba(255,255,255,.7); font-size: 17px; line-height: 1.55; }
.footer {
  padding: 64px 0 32px;
  background: var(--to-navy-900);
  color: #fff;
}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 48px; }
.footer .wordmark { color: #fff; }
.footer .wordmark img { filter: brightness(0) invert(1); }
.footer .wordmark em { color: var(--to-navy-300); }
.footer-copy { max-width: 310px; margin-top: 18px; color: rgba(255,255,255,.6); font-size: 14px; line-height: 1.6; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col h3 {
  color: var(--to-navy-300);
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.footer-col a { color: rgba(255,255,255,.72); font-size: 14px; text-decoration: none; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 48px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,.1);
  color: rgba(255,255,255,.45);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
}
@media (max-width: 920px) {
  .container { width: min(100% - 32px, 1200px); }
  .nav { display: none; }
  .hero { padding-top: 72px; }
  .hero h1 { font-size: 56px; }
  .terminal-grid, .section-head, .strategy-layout, .security-grid, .diagram-grid, .library-grid, .footer-grid { grid-template-columns: 1fr; }
  .section-head, .strategy-layout, .security-grid { gap: 40px; }
  .library-head { display: block; }
  .diagram { padding: 24px; }
  .circuit { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; }
}
@media (max-width: 640px) {
  .header-actions .access { display: none; }
  .wordmark span { font-size: 19px; }
  .hero h1 { font-size: 42px; }
  .to-display-lg { font-size: 36px; }
  .section { padding: 80px 0; }
  .terminal-title { display: none; }
  .terminal { margin-top: 48px; padding: 16px; }
  .term-value { font-size: 18px; }
  .tabs { border-bottom: 0; }
  .tab {
    width: 100%;
    border: 1px solid var(--border-1);
    border-radius: 8px;
    text-align: left;
    margin-bottom: 0;
  }
  .tab.active { border-color: var(--to-navy-900); }
  .stat-row { align-items: flex-start; }
  .schematic, .circuit, .cta-panel { padding: 24px; }
  .security-card { grid-template-columns: 1fr; }
}