/*
 * Nestor landing module.
 *
 * Layout/content classes stay namespaced because the page has a distinctive
 * capability-model composition.  Visual primitives do not: colour, fonts,
 * heading scale and section rhythm come from design-system-v2.css / site.css.
 * Do not add a second root palette or a page-local typography scale here.
 */

/* Standalone docs previews do not load the Jinja base, so use the same
   self-hosted brand faces there as the main site. */
@font-face {
  font-family: "Onest";
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url("/static/fonts/onest-var-cyrillic.woff2") format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: "Onest";
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url("/static/fonts/onest-var-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC,
    U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F,
    U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215,
    U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Space Grotesk";
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url("/static/fonts/space-grotesk-var-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC,
    U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F,
    U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215,
    U+FEFF, U+FFFD;
}
@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url("/static/fonts/jetbrains-mono-var-cyrillic.woff2") format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url("/static/fonts/jetbrains-mono-var-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC,
    U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F,
    U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215,
    U+FEFF, U+FFFD;
}

.nv4 {
  --nv-bg: var(--ds-bg, #090b0d);
  --nv-panel: var(--ds-panel-raised, #11151a);
  --nv-panel-soft: var(--ds-panel, #151b20);
  --nv-text: var(--ds-text, #f4f7f2);
  --nv-muted: var(--ds-text-muted, #a7b0aa);
  --nv-dim: var(--ds-text-dim, #778078);
  --nv-line: var(--ds-line, #26302b);
  --nv-accent: var(--ds-accent, #c9ff3d);
  --nv-font: var(
    --ds-font-display,
    "Space Grotesk",
    "Onest",
    system-ui,
    sans-serif
  );
  --nv-mono: var(
    --ds-font-mono,
    "JetBrains Mono",
    ui-monospace,
    monospace
  );

  width: 100vw;
  margin-inline: calc(50% - 50vw);
  overflow: clip;
  color: var(--nv-text);
  background:
    radial-gradient(900px 500px at 8% 0%, color-mix(in oklab, var(--nv-accent) 10%, transparent), transparent 60%),
    radial-gradient(700px 500px at 95% 18%, color-mix(in oklab, var(--nv-accent) 5%, transparent), transparent 58%),
    var(--nv-bg);
  font-family: var(--nv-font);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.nv4 *,
.nv4 *::before,
.nv4 *::after { box-sizing: border-box; }

.nv4 a { color: inherit; text-decoration: none; }
.nv4 img { display: block; max-width: 100%; }

.nv4-shell {
  width: min(1440px, calc(100% - 40px));
  margin-inline: auto;
}

.nv4-kicker,
.nv4-card-num,
.nv4-chip,
.nv4-platform-title span,
.nv4-proof small,
.nv4-note {
  font-family: var(--nv-mono);
}

.nv4-kicker {
  color: var(--nv-accent);
  font-size: 11px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.nv4-hero {
  padding: clamp(48px, 6vw, 88px) 0 clamp(40px, 5vw, 64px);
  border-bottom: 1px solid var(--nv-line);
}

.nv4-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(320px, 0.55fr);
  gap: clamp(32px, 5vw, 80px);
  align-items: end;
}

.nv4-hero h1 {
  max-width: 14ch;
  margin: 20px 0 24px;
  color: var(--nv-text);
  font-family: var(--nv-font);
  font-size: var(--ds-title-display, clamp(48px, 7.2vw, 104px));
  font-weight: 500;
  line-height: var(--ds-title-display-lh, 0.94);
  letter-spacing: var(--ds-title-display-ls, -0.045em);
  text-wrap: balance;
}

.nv4-hero h1 em {
  color: var(--nv-accent);
  font-style: normal;
  text-shadow: 0 0 70px color-mix(in oklab, var(--nv-accent) 28%, transparent);
}

.nv4-lede {
  max-width: 68ch;
  margin: 0;
  color: var(--nv-muted);
  font-size: clamp(17px, 1.45vw, 21px);
  line-height: 1.5;
}

.nv4-lede strong { color: var(--nv-text); font-weight: 600; }

.nv4-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.nv4-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid var(--nv-line);
  border-radius: 999px;
  color: var(--nv-text);
  font-weight: 650;
  transition: transform 0.2s ease, border-color 0.2s ease,
    background-color 0.2s ease, color 0.2s ease;
}

.nv4-btn:hover {
  transform: translateY(-2px);
  border-color: var(--nv-accent);
}

/* Explicit anchor selector fixes the former .nv4 a { color: inherit } conflict. */
.nv4 a.nv4-btn--primary,
.nv4 a.nv4-btn--primary:hover,
.nv4 a.nv4-btn--primary:focus-visible {
  border-color: var(--nv-accent);
  color: #111609;
  background: var(--nv-accent);
  box-shadow: 0 0 32px color-mix(in oklab, var(--nv-accent) 18%, transparent);
}

.nv4-btn:focus-visible,
.nv4-faq summary:focus-visible,
.nv4-proof a:focus-visible {
  outline: 2px solid var(--nv-accent);
  outline-offset: 3px;
}

.nv4-operator {
  position: relative;
  overflow: hidden;
  padding: 26px;
  border: 1px solid color-mix(in oklab, var(--nv-accent) 34%, var(--nv-line));
  border-radius: var(--radius-lg, 22px);
  background: linear-gradient(
    150deg,
    color-mix(in oklab, var(--nv-accent) 8%, transparent),
    color-mix(in oklab, var(--nv-panel) 92%, transparent) 42%
  );
}

.nv4-operator::after {
  content: "";
  position: absolute;
  top: -100px;
  right: -90px;
  width: 220px;
  height: 220px;
  border: 1px solid color-mix(in oklab, var(--nv-accent) 18%, transparent);
  border-radius: 50%;
}

.nv4-person {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 18px;
  align-items: center;
}

.nv4-avatar {
  width: 82px;
  height: 82px;
  border: 1px solid color-mix(in oklab, var(--nv-accent) 45%, transparent);
  border-radius: var(--radius-md, 14px);
  object-fit: cover;
  box-shadow: 0 0 28px color-mix(in oklab, var(--nv-accent) 14%, transparent);
}

.nv4-person h2 {
  margin: 0 0 8px;
  font-size: 25px;
  line-height: 1;
  letter-spacing: -0.03em;
}

.nv4-person p {
  margin: 0;
  color: var(--nv-accent);
  font-family: var(--nv-mono);
  font-size: 11px;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nv4-live {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  color: var(--nv-muted);
  font-family: var(--nv-mono);
  font-size: 11px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nv4-live::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--nv-accent);
  box-shadow: 0 0 14px var(--nv-accent);
}

.nv4-operator ul {
  display: grid;
  gap: 12px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.nv4-operator li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--nv-line);
  color: var(--nv-muted);
  font-size: 14px;
}

.nv4-operator li b {
  color: var(--nv-text);
  font-weight: 600;
  text-align: right;
}

.nv4-principle {
  padding: 26px 0;
  border-bottom: 1px solid var(--nv-line);
}

.nv4-principle-inner {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 32px;
  align-items: start;
}

.nv4-principle p {
  max-width: 72ch;
  margin: 0;
  color: var(--nv-muted);
  font-size: clamp(18px, 1.7vw, 23px);
  line-height: 1.45;
}

.nv4-principle strong { color: var(--nv-text); }

.nv4-section {
  padding: var(--ds-space-section, clamp(64px, 7.5vw, 104px)) 0;
  border-bottom: 1px solid var(--nv-line);
}

.nv4-head {
  display: grid;
  grid-template-columns: minmax(0, 0.46fr) minmax(0, 0.54fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
  margin-bottom: var(--ds-space-head, clamp(28px, 3vw, 48px));
}

.nv4-head h2,
.nv4-cta h2 {
  max-width: 18ch;
  margin: 12px 0 0;
  color: var(--nv-text);
  font-family: var(--nv-font);
  font-size: var(--ds-title-section, clamp(36px, 4.8vw, 72px));
  font-weight: 500;
  line-height: var(--ds-title-section-lh, 0.98);
  letter-spacing: var(--ds-title-section-ls, -0.04em);
  text-wrap: balance;
}

.nv4-head p {
  max-width: 65ch;
  margin: 4px 0 0;
  color: var(--nv-muted);
  font-size: clamp(16px, 1.35vw, 20px);
}

.nv4-grid { display: grid; gap: 16px; }
.nv4-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.nv4-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.nv4-card {
  position: relative;
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid var(--nv-line);
  border-radius: var(--radius-lg, 22px);
  background: linear-gradient(
    145deg,
    color-mix(in oklab, var(--nv-panel-soft) 92%, transparent),
    color-mix(in oklab, var(--nv-bg) 92%, transparent)
  );
}

.nv4-card--accent {
  border-color: color-mix(in oklab, var(--nv-accent) 36%, var(--nv-line));
  background: linear-gradient(
    145deg,
    color-mix(in oklab, var(--nv-accent) 8%, transparent),
    color-mix(in oklab, var(--nv-panel) 95%, transparent) 48%
  );
}

.nv4-card-num {
  margin-bottom: 26px;
  color: var(--nv-accent);
  font-size: 11px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.nv4-card h3 {
  margin: 0 0 14px;
  color: var(--nv-text);
  font-size: var(--ds-title-card, clamp(26px, 2.8vw, 40px));
  font-weight: 500;
  line-height: var(--ds-title-card-lh, 1.06);
  letter-spacing: var(--ds-title-card-ls, -0.03em);
}

.nv4-card p { margin: 0; color: var(--nv-muted); }

.nv4-list {
  display: grid;
  gap: 12px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.nv4-list li {
  position: relative;
  padding-left: 20px;
  color: var(--nv-muted);
}

.nv4-list li::before {
  content: "";
  position: absolute;
  top: 0.67em;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--nv-accent);
}

.nv4-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.nv4-chip {
  padding: 8px 11px;
  border: 1px solid var(--nv-line);
  border-radius: 999px;
  color: var(--nv-muted);
  font-size: 10px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nv4-source { min-height: 220px; }
.nv4-source strong { display: block; margin-bottom: 9px; font-size: 18px; }
.nv4-source small {
  display: block;
  margin-bottom: 22px;
  color: var(--nv-accent);
  font-family: var(--nv-mono);
  font-size: 10px;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.nv4-flow {
  counter-reset: step;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.nv4-step {
  counter-increment: step;
  padding: 22px 4px 8px;
  border-top: 1px solid var(--nv-line);
}

.nv4-step::before {
  content: "0" counter(step);
  display: block;
  margin-bottom: 17px;
  color: var(--nv-accent);
  font-family: var(--nv-mono);
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.12em;
}

.nv4-step h3 {
  margin: 0 0 10px;
  font-size: 24px;
  line-height: 1.08;
  letter-spacing: -0.025em;
}

.nv4-step p { margin: 0; color: var(--nv-muted); }

.nv4-platform {
  display: grid;
  grid-template-columns: 1fr 1fr;
  overflow: hidden;
  border: 1px solid var(--nv-line);
  border-radius: var(--radius-lg, 22px);
}

.nv4-platform-col {
  padding: clamp(26px, 4vw, 48px);
  background: color-mix(in oklab, var(--nv-panel) 80%, transparent);
}

.nv4-platform-col + .nv4-platform-col { border-left: 1px solid var(--nv-line); }

.nv4-platform-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 26px;
}

.nv4-platform-title h3 {
  margin: 0;
  font-size: clamp(34px, 4vw, 60px);
  line-height: 0.94;
  letter-spacing: -0.045em;
}

.nv4-platform-title span {
  color: var(--nv-accent);
  font-size: 10px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nv4-depth { display: grid; }
.nv4-depth div { padding: 17px 0; border-top: 1px solid var(--nv-line); }
.nv4-depth strong { display: block; margin-bottom: 5px; }
.nv4-depth p { margin: 0; color: var(--nv-muted); font-size: 15px; }

.nv4-loop {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  overflow: hidden;
  border: 1px solid var(--nv-line);
  border-radius: var(--radius-lg, 22px);
}

.nv4-loop-item {
  min-height: 168px;
  padding: 22px 18px;
  border-right: 1px solid var(--nv-line);
  background: color-mix(in oklab, var(--nv-panel) 76%, transparent);
}

.nv4-loop-item:last-child { border-right: 0; }
.nv4-loop-item span {
  color: var(--nv-accent);
  font-family: var(--nv-mono);
  font-size: 10px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.12em;
}
.nv4-loop-item h3 { margin: 18px 0 9px; font-size: 20px; line-height: 1.08; }
.nv4-loop-item p { margin: 0; color: var(--nv-muted); font-size: 14px; }

.nv4-status {
  display: grid;
  grid-template-columns: 1.05fr 1fr 1fr;
  gap: 16px;
}

.nv4-status-card {
  padding: 24px;
  border: 1px solid var(--nv-line);
  border-radius: var(--radius-md, 14px);
  background: var(--nv-panel);
}

.nv4-status-card .tag {
  display: inline-block;
  margin-bottom: 20px;
  padding: 7px 9px;
  border-radius: 999px;
  color: var(--nv-accent);
  background: color-mix(in oklab, var(--nv-accent) 10%, transparent);
  font-family: var(--nv-mono);
  font-size: 10px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.nv4-status-card h3 {
  margin: 0 0 11px;
  font-size: 27px;
  line-height: 1.04;
  letter-spacing: -0.03em;
}

.nv4-status-card p,
.nv4-status-card ul { color: var(--nv-muted); }
.nv4-status-card p { margin: 0; }
.nv4-status-card ul { margin: 18px 0 0; padding-left: 18px; }
.nv4-status-card li + li { margin-top: 8px; }

.nv4-safety,
.nv4-proof {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.nv4-safe {
  padding: 22px;
  border: 1px solid var(--nv-line);
  border-radius: var(--radius-md, 14px);
  background: color-mix(in oklab, var(--nv-panel) 68%, transparent);
}
.nv4-safe b { display: block; margin-bottom: 9px; font-size: 19px; }
.nv4-safe p { margin: 0; color: var(--nv-muted); font-size: 14px; }

.nv4-proof a {
  display: flex;
  flex-direction: column;
  min-height: 210px;
  padding: 22px;
  border: 1px solid var(--nv-line);
  border-radius: var(--radius-md, 14px);
  background: var(--nv-panel);
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.nv4-proof a:hover { transform: translateY(-3px); border-color: var(--nv-accent); }
.nv4-proof small {
  color: var(--nv-accent);
  font-size: 10px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.nv4-proof strong {
  margin: 22px 0 10px;
  font-size: 23px;
  line-height: 1.08;
  letter-spacing: -0.025em;
}
.nv4-proof span { margin-top: auto; color: var(--nv-muted); font-size: 14px; }

.nv4-faq { display: grid; gap: 10px; }
.nv4-faq details {
  padding-inline: 22px;
  border: 1px solid var(--nv-line);
  border-radius: var(--radius-md, 14px);
  background: var(--nv-panel);
}
.nv4-faq summary {
  position: relative;
  padding: 20px 36px 20px 0;
  cursor: pointer;
  list-style: none;
  font-size: 18px;
  font-weight: 650;
}
.nv4-faq summary::-webkit-details-marker { display: none; }
.nv4-faq summary::after {
  content: "+";
  position: absolute;
  top: 19px;
  right: 0;
  color: var(--nv-accent);
  font-family: var(--nv-mono);
  font-size: 24px;
  font-weight: 500;
  line-height: 1;
}
.nv4-faq details[open] summary::after { content: "–"; }
.nv4-faq p { max-width: 90ch; margin: 0; padding-bottom: 20px; color: var(--nv-muted); }

.nv4-cta { padding: var(--ds-space-section, clamp(64px, 7.5vw, 104px)) 0; }
.nv4-cta-box {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: end;
  padding: clamp(28px, 5vw, 60px);
  border: 1px solid color-mix(in oklab, var(--nv-accent) 35%, var(--nv-line));
  border-radius: var(--radius-lg, 22px);
  background:
    radial-gradient(600px 280px at 90% 0%, color-mix(in oklab, var(--nv-accent) 14%, transparent), transparent 65%),
    var(--nv-panel);
}
.nv4-cta h2 { margin-bottom: 16px; }
.nv4-cta p { max-width: 62ch; margin: 0; color: var(--nv-muted); font-size: 17px; }
.nv4-note {
  margin-top: 16px;
  color: var(--nv-dim);
  font-size: 11px;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.05em;
}

@media (max-width: 1050px) {
  .nv4-hero-grid,
  .nv4-head,
  .nv4-cta-box { grid-template-columns: 1fr; }
  .nv4-grid--3,
  .nv4-flow { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .nv4-loop { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .nv4-loop-item:nth-child(3) { border-right: 0; }
  .nv4-loop-item:nth-child(-n + 3) { border-bottom: 1px solid var(--nv-line); }
  .nv4-status { grid-template-columns: 1fr; }
  .nv4-safety,
  .nv4-proof { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .nv4-shell { width: min(calc(100% - 28px), 1440px); }
  .nv4-hero { padding-top: 44px; }
  .nv4-hero h1 {
    max-width: 17ch;
    font-size: var(--ds-title-display, clamp(44px, 13vw, 72px));
    line-height: 0.98;
  }
  .nv4-principle-inner { grid-template-columns: 1fr; gap: 12px; }
  .nv4-grid--2,
  .nv4-grid--3,
  .nv4-flow { grid-template-columns: 1fr; }
  .nv4-platform { grid-template-columns: 1fr; }
  .nv4-platform-col + .nv4-platform-col {
    border-top: 1px solid var(--nv-line);
    border-left: 0;
  }
  .nv4-loop { grid-template-columns: 1fr; }
  .nv4-loop-item {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid var(--nv-line);
  }
  .nv4-loop-item:last-child { border-bottom: 0; }
  .nv4-safety,
  .nv4-proof { grid-template-columns: 1fr; }
  .nv4-actions { flex-direction: column; align-items: stretch; }
  .nv4-btn { width: 100%; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  .nv4 *,
  .nv4 *::before,
  .nv4 *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}