/* ============================================
   Production Landing Page
   ============================================ */

#landing-page {
  --landing-bg: #05070b;
  --landing-panel: #0e141f;
  --landing-panel-strong: #121b2a;
  --landing-border: rgba(151, 176, 204, 0.22);
  --landing-text: #f4f7fb;
  --landing-muted: #aab6c7;
  --landing-dim: #748195;
  --landing-gold: #f0c96a;
  --landing-green: #66d99a;
  --landing-red: #ff6477;
  --landing-blue: #83b5ff;
  --landing-paper: #efe3d0;
  --landing-ink: #201b16;
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  color: var(--landing-text);
  background:
    linear-gradient(90deg, rgba(102, 217, 154, 0.06) 1px, transparent 1px),
    linear-gradient(180deg, rgba(131, 181, 255, 0.05) 1px, transparent 1px),
    linear-gradient(180deg, #05070b 0%, #08101a 52%, #0a0d13 100%);
  background-size: 56px 56px, 56px 56px, auto;
}

#landing-page::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(transparent 50%, rgba(255, 255, 255, 0.025) 50%);
  background-size: 100% 4px;
  opacity: 0.58;
}

#landing-page a {
  color: inherit;
}

#landing-page button,
#landing-page a {
  -webkit-tap-highlight-color: transparent;
}

#landing-page button:focus-visible,
#landing-page a:focus-visible,
#scenario-selector-heading:focus-visible {
  outline: 2px solid var(--landing-gold, #f0c96a);
  outline-offset: 3px;
}

.landing-shell {
  position: relative;
  z-index: 1;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 18px 0 72px;
}

.landing-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
}

.landing-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  color: var(--landing-text);
  font-weight: 800;
  text-decoration: none;
}

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

.landing-brand-mark {
  display: grid;
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid rgba(102, 217, 154, 0.52);
  border-radius: 8px;
  color: var(--landing-green);
  background: rgba(102, 217, 154, 0.09);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 800;
}

.landing-nav-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.landing-nav-links a,
.landing-nav-cta {
  min-height: 36px;
  padding: 8px 11px;
  border-radius: 8px;
  color: #d9e4f4;
  font-size: var(--text-sm);
  font-weight: 700;
  text-decoration: none;
}

.landing-nav-links a:hover,
.landing-nav-cta:hover {
  color: var(--landing-text);
  background: rgba(131, 181, 255, 0.1);
}

.landing-nav-cta {
  border: 1px solid rgba(240, 201, 106, 0.45);
  background: rgba(240, 201, 106, 0.1);
}

.landing-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
  gap: 32px;
  align-items: center;
  padding: 40px 0 54px;
}

.landing-hero-copy,
.landing-terminal,
.landing-section,
.landing-reflection,
.landing-final-cta {
  min-width: 0;
}

.landing-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  color: var(--landing-gold);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 800;
}

.landing-kicker::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--landing-red);
  box-shadow: 0 0 16px rgba(255, 100, 119, 0.78);
  animation: landing-pulse 1.4s steps(2, end) infinite;
}

.landing-hero h1 {
  margin: 0 0 18px;
  color: var(--landing-text);
  font-size: 4.75rem;
  font-weight: 850;
  line-height: 0.98;
  letter-spacing: 0;
}

.landing-core-line {
  max-width: 700px;
  margin-bottom: 14px;
  color: #f7df9d;
  font-size: var(--text-xl);
  font-weight: 800;
  line-height: 1.55;
}

.landing-lead {
  max-width: 690px;
  margin-bottom: 22px;
  color: #c6d0de;
  font-size: var(--text-lg);
  line-height: 1.8;
}

.landing-boundary-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  max-width: 700px;
  margin-bottom: 26px;
}

.landing-boundary-list li {
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
  border: 1px solid rgba(255, 100, 119, 0.3);
  border-radius: 8px;
  color: #ffd8de;
  background: rgba(255, 100, 119, 0.09);
  font-weight: 800;
  text-align: center;
}

.landing-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.landing-primary,
.landing-secondary {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  padding: 12px 16px;
  font-weight: 850;
  text-decoration: none;
}

.landing-primary {
  color: #06101b;
  background: var(--landing-text);
  box-shadow: 0 18px 46px rgba(244, 247, 251, 0.16);
}

.landing-primary:hover {
  color: #06101b;
  background: #fff7df;
  transform: translateY(-1px);
}

.landing-secondary {
  border: 1px solid rgba(131, 181, 255, 0.32);
  color: #e4edfb;
  background: rgba(131, 181, 255, 0.08);
}

.landing-secondary:hover {
  color: var(--landing-text);
  border-color: rgba(102, 217, 154, 0.45);
  background: rgba(102, 217, 154, 0.1);
}

.landing-terminal {
  border: 1px solid rgba(131, 181, 255, 0.25);
  border-radius: 8px;
  overflow: hidden;
  background: linear-gradient(180deg, #101a2a, #060910);
  box-shadow: 0 34px 110px rgba(0, 0, 0, 0.52), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.landing-terminal-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 15px;
  border-bottom: 1px solid rgba(131, 181, 255, 0.14);
  background: rgba(4, 8, 14, 0.82);
}

.landing-terminal-bar p {
  margin: 0;
  color: #9eacc2;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
}

.landing-dots {
  display: flex;
  gap: 8px;
}

.landing-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--landing-red);
}

.landing-dots span:nth-child(2) {
  background: var(--landing-gold);
}

.landing-dots span:nth-child(3) {
  background: var(--landing-green);
}

.landing-terminal-screen {
  padding: 18px;
  font-family: var(--font-mono);
}

.landing-ticker {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 9px;
  margin-bottom: 12px;
}

.landing-ticker div {
  min-width: 0;
  padding: 11px;
  border: 1px solid rgba(131, 181, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
}

.landing-ticker span {
  display: block;
  margin-bottom: 7px;
  color: #74839a;
  font-size: 0.72rem;
}

.landing-ticker strong {
  display: block;
  overflow-wrap: anywhere;
  font-size: var(--text-base);
}

.landing-red {
  color: var(--landing-red);
}

.landing-green {
  color: var(--landing-green);
}

.landing-blue {
  color: var(--landing-blue);
}

.landing-feed {
  border: 1px solid rgba(131, 181, 255, 0.14);
  border-radius: 8px;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.16);
}

.landing-feed-line {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr) 44px;
  gap: 12px;
  align-items: center;
  padding: 12px 13px;
  border-bottom: 1px solid rgba(131, 181, 255, 0.12);
  color: #d8e3f3;
  font-size: var(--text-sm);
}

.landing-feed-line:last-child {
  border-bottom: 0;
}

.landing-feed-line span {
  color: #728299;
}

.landing-feed-line p {
  margin: 0;
  overflow-wrap: anywhere;
}

.landing-feed-line strong {
  color: #8ea0b8;
  font-size: var(--text-xs);
  text-align: right;
}

.landing-decision-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 9px;
  margin-top: 13px;
}

.landing-decision-strip button,
.landing-choice-list button,
.landing-tabs button,
.landing-view-switch button {
  border: 1px solid rgba(131, 181, 255, 0.2);
  border-radius: 8px;
  color: #eaf2ff;
  background: rgba(131, 181, 255, 0.08);
  font-weight: 800;
}

.landing-decision-strip button {
  min-height: 42px;
  padding: 10px 8px;
}

.landing-decision-strip button:hover,
.landing-choice-list button:hover,
.landing-tabs button:hover {
  border-color: rgba(102, 217, 154, 0.5);
  background: rgba(102, 217, 154, 0.12);
}

.landing-status {
  min-height: 22px;
  margin: 12px 0 0;
  color: #b8c4d5;
  font-size: var(--text-xs);
  transition: color var(--duration-fast) var(--ease-out);
}

.landing-status.is-flashing {
  color: var(--landing-gold);
}

.landing-section,
.landing-reflection,
.landing-final-cta {
  padding: 42px 0;
  border-top: 1px solid rgba(151, 176, 204, 0.16);
}

.landing-section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  gap: 24px;
  align-items: end;
  margin-bottom: 24px;
}

.landing-section-head h2,
.landing-final-cta h2 {
  margin: 0;
  color: var(--landing-text);
  font-size: 2.5rem;
  line-height: 1.12;
  letter-spacing: 0;
}

.landing-section-head p {
  margin: 0;
  color: var(--landing-muted);
  line-height: 1.75;
}

.landing-loop-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  counter-reset: landing-step;
}

.landing-step {
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 18px;
  border: 1px solid rgba(131, 181, 255, 0.16);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.025));
}

.landing-step span {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 8px;
  color: var(--landing-gold);
  background: rgba(240, 201, 106, 0.13);
  font-family: var(--font-mono);
  font-weight: 900;
}

.landing-step h3 {
  margin: 18px 0 9px;
  color: var(--landing-text);
  font-size: var(--text-xl);
}

.landing-step p {
  margin: 0;
  color: var(--landing-muted);
  line-height: 1.65;
}

.landing-demo-layout {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 16px;
  align-items: stretch;
}

.landing-tabs {
  display: grid;
  align-content: start;
  gap: 10px;
}

.landing-tabs button {
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  text-align: left;
}

.landing-tabs button span {
  color: var(--landing-dim);
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

.landing-tabs button.active {
  border-color: rgba(240, 201, 106, 0.72);
  color: #06101b;
  background: var(--landing-gold);
}

.landing-tabs button.active span {
  color: rgba(6, 16, 27, 0.64);
}

.landing-demo-panel {
  min-height: 390px;
  display: grid;
  grid-template-rows: auto 1fr;
  overflow: hidden;
  border: 1px solid rgba(131, 181, 255, 0.18);
  border-radius: 8px;
  background: #0a101a;
}

.landing-demo-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px;
  border-bottom: 1px solid rgba(131, 181, 255, 0.13);
  background: rgba(255, 255, 255, 0.04);
}

.landing-demo-top h3 {
  margin: 0;
  color: var(--landing-text);
  font-size: var(--text-xl);
}

.landing-demo-top span {
  flex: 0 0 auto;
  border: 1px solid rgba(102, 217, 154, 0.28);
  border-radius: 999px;
  padding: 7px 10px;
  color: #bff8d5;
  background: rgba(102, 217, 154, 0.08);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 800;
}

.landing-demo-body {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 14px;
  padding: 16px;
}

.landing-info-panel {
  min-width: 0;
  padding: 16px;
  border: 1px solid rgba(131, 181, 255, 0.13);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
}

.landing-info-panel h4 {
  margin: 0 0 12px;
  color: #f8fbff;
  font-size: var(--text-base);
}

.landing-info-panel p {
  margin: 10px 0;
  color: var(--landing-muted);
  line-height: 1.68;
}

.landing-choice-list {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.landing-choice-list button {
  min-height: 44px;
  padding: 9px 10px;
}

.landing-reflection {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  gap: 18px;
  align-items: stretch;
}

.landing-paper {
  padding: 24px;
  border-radius: 8px;
  color: var(--landing-ink);
  background: var(--landing-paper);
  box-shadow: inset 0 0 0 1px rgba(31, 26, 21, 0.09);
}

.landing-paper h2 {
  margin: 0 0 18px;
  color: var(--landing-ink);
  font-family: Georgia, "Times New Roman", "Noto Serif SC", serif;
  font-size: 3.25rem;
  line-height: 1.02;
  letter-spacing: 0;
}

.landing-view-switch {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0;
}

.landing-view-switch button {
  min-height: 42px;
  padding: 9px 13px;
  border-color: rgba(31, 26, 21, 0.2);
  color: var(--landing-ink);
  background: transparent;
}

.landing-view-switch button.active {
  color: var(--landing-paper);
  background: var(--landing-ink);
}

.landing-paper p {
  min-height: 146px;
  margin: 0;
  color: #3e3328;
  font-family: Georgia, "Times New Roman", "Noto Serif SC", serif;
  font-size: var(--text-2xl);
  line-height: 1.5;
}

.landing-boundary-panel {
  display: grid;
  gap: 14px;
}

.landing-boundary-panel article {
  padding: 18px;
  border: 1px solid rgba(131, 181, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
}

.landing-boundary-panel h3 {
  margin: 0 0 9px;
  color: var(--landing-text);
  font-size: var(--text-xl);
}

.landing-boundary-panel p {
  margin: 0;
  color: var(--landing-muted);
  line-height: 1.68;
}

.landing-final-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

@keyframes landing-pulse {
  50% {
    opacity: 0.25;
  }
}

@media (max-width: 980px) {
  .landing-hero,
  .landing-section-head,
  .landing-demo-layout,
  .landing-demo-body,
  .landing-reflection {
    grid-template-columns: 1fr;
  }

  .landing-hero {
    padding-top: 28px;
  }

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

@media (max-width: 680px) {
  .landing-shell {
    width: min(100% - 28px, 1180px);
    padding-top: 12px;
  }

  .landing-nav {
    align-items: flex-start;
  }

  .landing-nav-links {
    justify-content: flex-start;
  }

  .landing-nav-links a {
    display: none;
  }

  .landing-hero h1 {
    font-size: 2.75rem;
  }

  .landing-core-line,
  .landing-lead {
    font-size: var(--text-base);
  }

  .landing-boundary-list,
  .landing-ticker,
  .landing-loop-list,
  .landing-decision-strip,
  .landing-final-cta {
    grid-template-columns: 1fr;
  }

  .landing-final-cta {
    display: grid;
  }

  .landing-feed-line {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .landing-feed-line strong {
    text-align: left;
  }

  .landing-section-head h2,
  .landing-final-cta h2,
  .landing-paper h2 {
    font-size: 2.25rem;
  }

  .landing-paper p {
    min-height: 0;
    font-size: var(--text-xl);
  }

  .landing-demo-top {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  .landing-kicker::before {
    animation: none;
  }

  .landing-primary:hover {
    transform: none;
  }
}