:root {
  --black: #071014;
  --deep: #0b171c;
  --panel: rgba(12, 25, 31, 0.78);
  --panel-strong: rgba(17, 34, 41, 0.94);
  --line: rgba(226, 238, 235, 0.16);
  --line-strong: rgba(226, 238, 235, 0.28);
  --text: #edf7f3;
  --muted: #9eaaa8;
  --blue: #4fb5c7;
  --green: #56d09b;
  --amber: #f2b45b;
  --red: #ef6b68;
  --silver: #d8dfdc;
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.38);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    linear-gradient(180deg, rgba(7, 16, 20, 0.96), rgba(9, 18, 22, 0.98)),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.035) 0 1px, transparent 1px 120px),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.025) 0 1px, transparent 1px 92px);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 14px clamp(16px, 4vw, 56px);
  border-bottom: 1px solid var(--line);
  background: rgba(7, 16, 20, 0.82);
  backdrop-filter: blur(20px);
}

.brand-mark {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 12px;
}

.brand-symbol {
  display: grid;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid rgba(79, 181, 199, 0.45);
  border-radius: 8px;
  color: var(--black);
  background: var(--green);
  font-weight: 900;
  box-shadow: 0 0 30px rgba(86, 208, 155, 0.24);
}

.brand-copy {
  min-width: 0;
}

.brand-copy strong,
.brand-copy small {
  display: block;
  line-height: 1.15;
  white-space: nowrap;
}

.brand-copy strong {
  color: var(--text);
  font-size: clamp(0.6rem, 1.25vw, 0.95rem);
  font-weight: 900;
}

.brand-copy small {
  color: var(--muted);
  font-size: 0.72rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 20px;
  color: var(--silver);
  font-size: 0.86rem;
  font-weight: 760;
}

.site-nav a {
  opacity: 0.88;
}

.site-nav a:hover {
  color: var(--green);
  opacity: 1;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  background: var(--text);
}

.hero-command {
  position: relative;
  display: grid;
  min-height: calc(100vh - 71px);
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  align-items: center;
  gap: clamp(28px, 5vw, 72px);
  overflow: hidden;
  padding: clamp(52px, 7vw, 98px) clamp(16px, 5vw, 72px) clamp(36px, 5vw, 58px);
}

.command-backdrop {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.scan-field {
  position: absolute;
  inset: 7% 5%;
  border: 1px solid rgba(79, 181, 199, 0.16);
  background:
    linear-gradient(90deg, transparent 0 49%, rgba(86, 208, 155, 0.12) 50%, transparent 51%),
    linear-gradient(180deg, transparent 0 49%, rgba(79, 181, 199, 0.1) 50%, transparent 51%);
  background-size: 120px 120px;
  opacity: 0.7;
  animation: scanDrift 18s linear infinite;
}

.rhythm-lines {
  position: absolute;
  right: 4%;
  bottom: 9%;
  left: 4%;
  display: grid;
  gap: 18px;
  transform: skewY(-4deg);
}

.rhythm-lines i {
  display: block;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(86, 208, 155, 0.66), rgba(242, 180, 91, 0.5), transparent);
  opacity: 0.34;
  animation: pulseLine 3.6s ease-in-out infinite;
}

.rhythm-lines i:nth-child(2) { animation-delay: 0.4s; }
.rhythm-lines i:nth-child(3) { animation-delay: 0.8s; }
.rhythm-lines i:nth-child(4) { animation-delay: 1.2s; }
.rhythm-lines i:nth-child(5) { animation-delay: 1.6s; }
.rhythm-lines i:nth-child(6) { animation-delay: 2s; }

.hero-copy,
.identity-console {
  position: relative;
  z-index: 2;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 100%;
  margin-bottom: 18px;
  color: var(--text);
  font-size: clamp(1.28rem, 4.9vw, 4.85rem);
  line-height: 0.96;
  letter-spacing: 0;
  white-space: nowrap;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 4.15rem);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.05rem;
}

p {
  color: var(--muted);
  line-height: 1.62;
}

.canonical-title {
  max-width: 900px;
  color: var(--silver);
  font-size: clamp(1.05rem, 2.05vw, 1.62rem);
  line-height: 1.3;
}

.canonical-subtitle {
  color: var(--green);
  font-size: clamp(1rem, 1.6vw, 1.25rem);
  font-weight: 850;
}

.hero-brief {
  max-width: 760px;
  font-size: 1rem;
}

.authority-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.authority-row span {
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--silver);
  background: rgba(255, 255, 255, 0.045);
  font-size: 0.8rem;
  font-weight: 780;
}

.identity-console,
.control-console,
.stability-dashboard,
.loop-node,
.subscription-grid article,
.authorization-panel,
.license-guard {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.identity-console {
  padding: 22px;
}

.console-head {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 14px;
  margin-bottom: 18px;
}

.console-head > span {
  display: grid;
  height: 46px;
  place-items: center;
  border: 1px solid rgba(86, 208, 155, 0.45);
  border-radius: 8px;
  color: var(--green);
  font-weight: 900;
}

.console-head h2 {
  margin-bottom: 4px;
  font-size: 1.28rem;
}

.console-head p {
  margin-bottom: 0;
  font-size: 0.9rem;
}

.persona-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.persona-card {
  min-height: 116px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.045);
  cursor: pointer;
  text-align: left;
}

.persona-card.is-active {
  border-color: rgba(86, 208, 155, 0.76);
  background: rgba(86, 208, 155, 0.12);
}

.persona-card strong,
.persona-card span {
  display: block;
}

.persona-card strong {
  margin-bottom: 6px;
}

.persona-card span {
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.42;
}

.bind-form {
  margin: 18px 0;
}

.bind-form label {
  display: block;
  margin-bottom: 8px;
  color: var(--silver);
  font-size: 0.84rem;
  font-weight: 850;
}

.bind-form div {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

.bind-form input,
.bind-form button {
  min-height: 44px;
  border-radius: 8px;
}

.bind-form input {
  min-width: 0;
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  padding: 0 12px;
}

.bind-form button,
.cta-grid a {
  border: 0;
  color: var(--black);
  background: var(--green);
  font-weight: 900;
  cursor: pointer;
}

.path-output {
  padding: 16px;
  border: 1px solid rgba(79, 181, 199, 0.34);
  border-radius: 8px;
  background: rgba(79, 181, 199, 0.08);
}

.path-output span,
.path-output strong {
  display: block;
}

.path-output span {
  color: var(--blue);
  font-size: 0.74rem;
  font-weight: 900;
  text-transform: uppercase;
}

.path-output strong {
  margin: 5px 0;
  font-size: 1.08rem;
}

.path-output p {
  margin-bottom: 0;
  font-size: 0.9rem;
}

.metric-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.035);
}

.metric-strip article {
  min-height: 130px;
  padding: 24px clamp(16px, 4vw, 44px);
  border-right: 1px solid var(--line);
}

.metric-strip article:last-child {
  border-right: 0;
}

.metric-strip strong,
.metric-strip span {
  display: block;
}

.metric-strip strong {
  margin-bottom: 8px;
}

.metric-strip span {
  color: var(--muted);
  line-height: 1.45;
}

.section {
  padding: clamp(68px, 8vw, 116px) clamp(16px, 5vw, 72px);
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.55fr);
  gap: 28px;
  align-items: end;
  margin-bottom: 30px;
}

.section-head.narrow {
  display: block;
  max-width: 900px;
}

.section-head p:last-child {
  margin-bottom: 0;
}

.calculator-section {
  background: rgba(255, 255, 255, 0.025);
}

.calculator-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
  gap: 18px;
}

.control-console,
.stability-dashboard {
  padding: clamp(18px, 3vw, 28px);
}

.formula-line {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.formula-line span {
  color: var(--muted);
  font-weight: 850;
}

.formula-line strong {
  color: var(--green);
  text-align: right;
}

.slider-stack {
  display: grid;
  gap: 22px;
  margin-top: 24px;
}

.slider-stack label {
  display: grid;
  grid-template-columns: 1fr 46px;
  gap: 8px 14px;
  align-items: center;
}

.slider-stack span {
  color: var(--silver);
}

.slider-stack span strong {
  color: var(--green);
}

.slider-stack output {
  color: var(--text);
  font-weight: 900;
  text-align: right;
}

.slider-stack input {
  grid-column: span 2;
  width: 100%;
  accent-color: var(--green);
}

.stability-dashboard {
  position: relative;
  overflow: hidden;
}

.stability-dashboard::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, rgba(86, 208, 155, 0.12), transparent 40%),
    linear-gradient(300deg, rgba(79, 181, 199, 0.1), transparent 45%);
  pointer-events: none;
}

.dashboard-top,
.radial-meter,
.trigger-output,
.risk-telemetry {
  position: relative;
  z-index: 1;
}

.dashboard-top {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-start;
}

.dashboard-top span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 900;
  text-transform: uppercase;
}

.dashboard-top strong {
  color: var(--green);
  font-size: clamp(3.4rem, 8vw, 6.6rem);
  line-height: 0.8;
}

.radial-meter {
  display: grid;
  width: min(300px, 82vw);
  height: min(300px, 82vw);
  margin: 10px auto 22px;
  place-items: center;
}

.radial-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(var(--green) 0deg, var(--green) var(--angle), rgba(255, 255, 255, 0.08) var(--angle) 360deg);
  box-shadow: 0 0 46px rgba(86, 208, 155, 0.18);
}

.radial-core {
  position: relative;
  display: grid;
  width: 72%;
  height: 72%;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(7, 16, 20, 0.92);
  text-align: center;
}

.radial-core span {
  align-self: end;
  max-width: 150px;
  color: var(--silver);
  font-size: 0.82rem;
  font-weight: 900;
  line-height: 1.25;
}

.radial-core strong {
  align-self: start;
  color: var(--green);
  font-size: 2.1rem;
}

.trigger-output {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
}

.trigger-output span {
  display: block;
  margin-bottom: 6px;
  color: var(--green);
  font-weight: 900;
}

.trigger-output p {
  margin-bottom: 0;
}

.risk-telemetry {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 12px;
}

.risk-telemetry span {
  min-height: 78px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.035);
  font-size: 0.82rem;
  line-height: 1.35;
}

.risk-telemetry strong {
  display: block;
  color: var(--silver);
  font-size: 0.9rem;
}

.loop-system {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  margin-top: 30px;
}

.loop-node {
  position: relative;
  min-height: 270px;
  padding: 22px;
  overflow: hidden;
}

.loop-node::after {
  content: "";
  position: absolute;
  right: 18px;
  bottom: 18px;
  width: 44px;
  height: 44px;
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
  transform: rotate(45deg);
  opacity: 0.42;
}

.loop-node span,
.loop-node strong {
  display: block;
}

.loop-node span {
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 900;
  text-transform: uppercase;
}

.loop-node strong {
  position: absolute;
  bottom: 20px;
  left: 22px;
  max-width: calc(100% - 80px);
  color: currentColor;
}

.node-blue { color: var(--blue); }
.node-orange { color: var(--amber); }
.node-green { color: var(--green); }
.node-red { color: var(--red); }
.node-grey { color: var(--silver); }

.loop-node h3 {
  color: var(--text);
}

.loop-node p {
  margin-bottom: 62px;
}

.board-section {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.015));
}

.board-loop {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.board-loop article {
  min-height: 230px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
}

.board-loop span {
  display: grid;
  width: 44px;
  height: 44px;
  margin-bottom: 26px;
  place-items: center;
  border-radius: 50%;
  color: var(--black);
  background: var(--amber);
  font-weight: 900;
}

.subscription-section {
  background: rgba(86, 208, 155, 0.035);
}

.subscription-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 30px;
}

.subscription-grid article {
  min-height: 260px;
  padding: 22px;
}

.subscription-grid span,
.subscription-grid strong {
  display: block;
}

.subscription-grid span {
  color: var(--blue);
  font-size: 0.76rem;
  font-weight: 900;
  text-transform: uppercase;
}

.subscription-grid strong {
  margin-top: 28px;
  color: var(--green);
}

.authorization-section {
  padding-bottom: clamp(40px, 6vw, 70px);
}

.authorization-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.52fr);
  gap: 22px;
  padding: clamp(24px, 4vw, 42px);
  background: var(--panel-strong);
}

.authorization-panel h2 {
  max-width: 980px;
}

.cta-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 26px;
}

.cta-grid a {
  display: grid;
  min-height: 54px;
  place-items: center;
  border-radius: 8px;
  padding: 12px;
  text-align: center;
}

.license-guard {
  padding: 22px;
  background: rgba(255, 255, 255, 0.045);
}

.license-guard ul {
  display: grid;
  gap: 12px;
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.5;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(16px, 5vw, 72px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  background: rgba(0, 0, 0, 0.28);
}

.site-footer strong,
.site-footer span,
.site-footer a {
  display: block;
}

.site-footer strong,
.site-footer a {
  color: var(--text);
}

@keyframes scanDrift {
  0% { background-position: 0 0; }
  100% { background-position: 240px 240px; }
}

@keyframes pulseLine {
  0%, 100% { transform: translateX(-18px); opacity: 0.18; }
  50% { transform: translateX(18px); opacity: 0.72; }
}

@media (max-width: 1180px) {
  .site-nav {
    gap: 13px;
    font-size: 0.78rem;
  }

  .hero-command,
  .calculator-grid,
  .authorization-panel {
    grid-template-columns: 1fr;
  }

  .loop-system {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .board-loop,
  .subscription-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 820px) {
  .nav-toggle {
    display: block;
    flex: 0 0 auto;
  }

  .site-nav {
    position: absolute;
    top: 72px;
    right: 16px;
    left: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(7, 16, 20, 0.96);
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .section-head {
    display: block;
  }

  .metric-strip,
  .risk-telemetry {
    grid-template-columns: 1fr;
  }

  .metric-strip article {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .metric-strip article:last-child {
    border-bottom: 0;
  }

  .site-footer {
    display: grid;
  }
}

@media (max-width: 620px) {
  .site-header {
    gap: 10px;
    padding-right: 12px;
    padding-left: 12px;
  }

  .brand-symbol {
    width: 34px;
    height: 34px;
    font-size: 0.72rem;
  }

  .brand-copy strong {
    font-size: clamp(0.48rem, 2.42vw, 0.68rem);
  }

  .brand-copy small {
    display: none;
  }

  h1 {
    font-size: clamp(1rem, 5.2vw, 1.52rem);
  }

  .persona-grid,
  .board-loop,
  .subscription-grid,
  .loop-system,
  .cta-grid {
    grid-template-columns: 1fr;
  }

  .bind-form div {
    grid-template-columns: 1fr;
  }

  .formula-line,
  .dashboard-top {
    display: grid;
  }
}