/* ============================================================================
   Sentinel Signal — visual language for rAIzr & co.
   "Surveillance poetry. Threat hierarchy through chromatic weight."
   ============================================================================ */

:root {
  /* Foundation — deep blue-black, terminal at low brightness */
  --void:        #08090F;
  --void-2:      #0A0E1A;
  --void-3:      #11151F;
  --grid:        rgba(255, 255, 255, 0.04);
  --rule:        rgba(255, 255, 255, 0.08);

  /* Signal colors — every hue carries severity */
  --signal-cyan:   #4FE0E0;   /* active scanning */
  --signal-amber:  #FFB347;   /* warnings that demand attention */
  --signal-coral:  #FF5E5E;   /* critical detection */
  --signal-green:  #6FE0A1;   /* secure / clear */

  /* Foreground typography */
  --fg:        #E8ECF1;
  --fg-mute:   #B5BCCB;   /* ljusare — för bättre läsbarhet i menyer */
  --fg-soft:   #8A93A6;   /* gammal mute — används till sekundär body-text */
  --fg-low:    #525B6C;

  /* Accent matched against DataCom navy lineage */
  --datacom-navy:  #0E2D41;
  --datacom-peach: #FF9F7C;

  /* Type scale (monospaced — JetBrains Mono is canonical) */
  --font-mono: 'JetBrains Mono', 'IBM Plex Mono', ui-monospace, SFMono-Regular,
               Menlo, Monaco, 'Courier New', monospace;

  --t-xs: 0.72rem;
  --t-sm: 0.84rem;
  --t-md: 1rem;
  --t-lg: 1.18rem;
  --t-xl: 1.6rem;
  --t-2xl: 2.4rem;
  --t-3xl: 4rem;

  --grid-gap: 1px;
  --section-pad: 6rem;
  --content-max: 1180px;
}

/* ----- Reset / base ----- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

/* ============================================================================
   LANDING PAGE — atmospheric splash before Home
   ============================================================================ */

.landing-body {
  /* scroll allowed — body-copy under hero */
}

.landing {
  position: relative;
  display: flex;
  flex-direction: column;
  z-index: 1;
}

.landing-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.4rem 2rem;
  font-size: var(--t-xs);
  position: relative;
  z-index: 5;
}
.landing-topbar .brand {
  display: flex; align-items: center; gap: 0.6rem;
  color: var(--fg);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-decoration: none;
}
.landing-topbar .brand .mark {
  width: 18px; height: 18px; position: relative;
}
.landing-topbar .brand .mark::before {
  content: "";
  position: absolute; inset: 0;
  background: var(--signal-cyan);
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
  animation: brand-pulse 4s ease-in-out infinite;
}
.landing-topbar .meta {
  font-size: var(--t-xs);
  color: var(--fg-mute);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.landing-topbar .meta .signal { color: var(--signal-cyan); }

.landing-hero {
  min-height: calc(100vh - 80px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem 4rem;
  position: relative;
  text-align: center;
}

/* Background scrolling log-feed (atmosphere) */
.landing-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  opacity: 0.10;
  mask-image: radial-gradient(ellipse at center, transparent 25%, black 100%);
  -webkit-mask-image: radial-gradient(ellipse at center, transparent 25%, black 100%);
}
.landing-bg ul {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  list-style: none;
  margin: 0; padding: 0 2rem;
  font-size: var(--t-xs);
  color: var(--signal-cyan);
  font-variant-numeric: tabular-nums;
  font-family: var(--font-mono);
  line-height: 1.7;
}
.landing-bg li {
  white-space: nowrap;
  opacity: 0;
  animation: feed-fade-in 0.4s ease forwards;
}
@keyframes feed-fade-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 0.7; transform: translateY(0); }
}

.landing-poetry {
  position: relative;
  z-index: 2;
  max-width: 64ch;
  margin: 0 auto;
}

.landing-eyebrow {
  font-size: var(--t-xs);
  color: var(--signal-cyan);
  letter-spacing: 0.32em;
  text-transform: uppercase;
  margin-bottom: 2.5rem;
}

.landing-h1 {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 5.4vw, 4.6rem);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 2.4rem;
  color: var(--fg);
}
.landing-h1 em {
  font-style: normal;
  color: var(--signal-cyan);
  font-weight: 600;
}

.landing-subline {
  font-size: clamp(0.85rem, 1.1vw, 1rem);
  color: var(--fg-soft);
  font-style: italic;
  margin: 0 auto 2.4rem;
  max-width: 56ch;
  letter-spacing: 0.01em;
}

.landing-lede {
  font-size: clamp(1rem, 1.6vw, 1.32rem);
  color: var(--fg-mute);
  line-height: 1.7;
  margin: 0 auto 2rem;
  max-width: 56ch;
}

.landing-kicker {
  font-size: clamp(1rem, 1.7vw, 1.4rem);
  color: var(--fg);
  line-height: 1.55;
  margin: 0 auto 3rem;
  max-width: 56ch;
  letter-spacing: -0.005em;
}
.landing-kicker .kicker-em {
  font-style: normal;
  color: var(--signal-cyan);
  font-weight: 500;
}

.landing-cta {
  display: flex;
  justify-content: center;
}
.landing-btn {
  font-size: var(--t-sm);
  padding: 1rem 1.8rem;
}

/* ----- Landing body-copy below hero ----- */

.landing-body-copy {
  padding: 5rem 2rem 7rem;
  position: relative;
  z-index: 2;
  background: var(--void);
}

.landing-prose {
  max-width: 64ch;
  margin: 0 auto;
  color: var(--fg-mute);
  line-height: 1.75;
}

.landing-divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 4rem 0 1.6rem;
}
.landing-divider .rule {
  flex: 1;
  height: 1px;
  background: var(--rule);
}
.landing-divider .tag {
  font-size: var(--t-xs);
  letter-spacing: 0.32em;
  color: var(--signal-cyan);
  font-weight: 500;
}
.landing-divider:first-of-type { margin-top: 0; }

.landing-h2 {
  font-family: var(--font-mono);
  font-size: var(--t-xl);
  font-weight: 500;
  color: var(--fg);
  letter-spacing: -0.005em;
  margin: 0 0 1.6rem;
}

.landing-prose p {
  margin: 0 0 1.4rem;
  font-size: var(--t-md);
}

.landing-prose p em {
  font-style: normal;
  color: var(--fg);
  font-weight: 500;
}

.landing-prose strong {
  color: var(--fg);
  font-weight: 600;
}

.landing-source {
  font-size: 0.7rem !important;
  color: var(--fg-low) !important;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  line-height: 1.7;
  margin: -0.4rem 0 1.8rem !important;
}

.landing-source a {
  color: var(--fg-mute);
  text-decoration: none;
  border-bottom: 1px dotted var(--rule);
}

.landing-source a:hover {
  color: var(--signal-cyan);
  border-bottom-color: var(--signal-cyan);
}

.landing-pull {
  border-top: 1px solid var(--signal-cyan);
  border-bottom: 1px solid var(--signal-cyan);
  padding: 1.4rem 1.4rem;
  margin: 2rem 0 !important;
  text-align: center;
  color: var(--fg) !important;
  font-size: var(--t-md);
}
.landing-pull em {
  color: var(--signal-cyan) !important;
  font-style: normal;
}

/* Severity-color highlights inom prose */
.landing-prose .hue {
  font-weight: 600;
}
.landing-prose .hue.cyan  { color: var(--signal-cyan); }
.landing-prose .hue.amber { color: var(--signal-amber); }
.landing-prose .hue.coral { color: var(--signal-coral); }
.landing-prose .hue.green { color: var(--signal-green); }

/* Products list */
.landing-products {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0;
  display: grid;
  gap: 0;
}
.landing-products li {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 1rem 2rem;
  padding: 1.4rem 0;
  border-bottom: 1px dashed var(--rule);
  align-items: baseline;
}
.landing-products li:last-of-type { border-bottom: 0; }
.landing-products .prod-name {
  font-size: var(--t-lg);
  font-weight: 600;
  color: var(--fg);
  font-family: var(--font-mono);
}
.landing-products .prod-name--planned {
  color: var(--fg-low);
  font-weight: 400;
}
.landing-products .prod-meta {
  grid-column: 2;
  font-size: var(--t-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--signal-cyan);
}
.landing-products .prod-desc {
  grid-column: 2;
  font-size: var(--t-sm);
  color: var(--fg-mute);
  margin-top: 0.3rem;
}

.landing-end {
  margin-top: 5rem;
  text-align: center;
}
.landing-end .landing-btn {
  margin-bottom: 2.5rem;
}
.landing-byline {
  font-size: var(--t-xs);
  color: var(--fg-low);
  letter-spacing: 0.32em;
  text-transform: uppercase;
}

@media (max-width: 720px) {
  .landing-products li {
    grid-template-columns: 1fr;
  }
  .landing-products .prod-meta,
  .landing-products .prod-desc {
    grid-column: 1;
  }
}

@media (max-width: 720px) {
  .landing-h1 { font-size: clamp(1.6rem, 8vw, 2.4rem); }
  .landing-lede { font-size: 0.95rem; }
}

/* ============================================================================
   END LANDING
   ============================================================================ */


html {
  scroll-behavior: smooth;
  background: var(--void);
}

body {
  font-family: var(--font-mono);
  font-size: var(--t-sm);
  line-height: 1.55;
  color: var(--fg);
  background: var(--void);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  position: relative;
  overflow-x: hidden;
}

/* CRT scanlines overlay — barely there */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 100;
  background: repeating-linear-gradient(
    0deg,
    rgba(255, 255, 255, 0.014) 0px,
    rgba(255, 255, 255, 0.014) 1px,
    transparent 1px,
    transparent 3px
  );
  mix-blend-mode: lighten;
}

/* Subtle vignette */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 99;
  background: radial-gradient(
    ellipse at center,
    transparent 50%,
    rgba(0, 0, 0, 0.6) 100%
  );
}

a { color: var(--signal-cyan); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 4px; }

::selection { background: var(--signal-cyan); color: var(--void); }

/* ----- Layout ----- */

.shell {
  position: relative;
  z-index: 1;
}

.container {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 2rem;
}

/* ----- Top bar ----- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 2rem;
  padding: 1rem 2rem;
  background: rgba(8, 9, 15, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule);
  font-size: var(--t-xs);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--fg);
  font-weight: 500;
  letter-spacing: 0.04em;
}

.brand .mark {
  width: 18px;
  height: 18px;
  position: relative;
}

.brand .mark::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--signal-cyan);
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
  animation: brand-pulse 4s ease-in-out infinite;
}

@keyframes brand-pulse {
  0%, 100% { opacity: 0.55; transform: scale(1); }
  50%      { opacity: 1.0;  transform: scale(1.18); }
}

.topbar nav {
  display: flex;
  gap: 1.6rem;
  font-size: var(--t-xs);
  letter-spacing: 0.06em;
}

.topbar nav a {
  color: var(--fg-mute);
  text-decoration: none;
  position: relative;
  padding: 0.3rem 0;
  transition: color 0.16s ease;
}

.topbar nav a:hover { color: var(--fg); text-decoration: none; }

.topbar nav a.active {
  color: var(--signal-cyan);
}

.topbar nav a.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 1px;
  background: var(--signal-cyan);
}

.topbar .meta {
  font-size: var(--t-xs);
  color: var(--fg-mute);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-align: right;
}

.topbar .meta .signal {
  color: var(--signal-cyan);
}

/* Hamburger menu button */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  color: var(--fg-mute);
  cursor: pointer;
  padding: 0.5rem;
  transition: color 0.16s ease;
}

.nav-toggle:hover {
  color: var(--fg);
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .topbar {
    grid-template-columns: auto 1fr auto;
  }

  .topbar nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(8, 9, 15, 0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--rule);
    padding: 1rem;
    gap: 0.8rem;
    z-index: 40;
  }

  .topbar.open nav {
    display: flex;
  }

  .topbar.open .nav-toggle {
    color: var(--signal-cyan);
  }

  .topbar .meta {
    display: none;
  }
}

/* ----- Hero ----- */

.hero {
  position: relative;
  padding: 7rem 0 5rem;
  border-bottom: 1px solid var(--rule);
  overflow: hidden;
}

.hero::before {
  /* dot grid */
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(255,255,255,0.07) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: radial-gradient(ellipse at 30% 30%, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at 30% 30%, black 30%, transparent 75%);
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-eyebrow {
  font-size: var(--t-xs);
  color: var(--signal-cyan);
  letter-spacing: 0.32em;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
}

.hero h1 {
  font-family: var(--font-mono);
  font-size: var(--t-3xl);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin: 0 0 1.5rem;
  color: var(--fg);
}

.hero h1 em {
  font-style: normal;
  color: var(--signal-cyan);
  font-weight: 600;
}

.hero p.lede {
  font-size: var(--t-md);
  color: var(--fg-mute);
  max-width: 38ch;
  margin: 0 0 2.4rem;
  line-height: 1.7;
}

.cta-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.4rem;
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--rule);
  background: transparent;
  color: var(--fg);
  cursor: pointer;
  transition: all 0.16s ease;
  position: relative;
}

.btn:hover { border-color: var(--signal-cyan); color: var(--signal-cyan); text-decoration: none; }

.btn--primary {
  background: var(--signal-cyan);
  color: var(--void);
  border-color: var(--signal-cyan);
}

.btn--primary:hover {
  background: transparent;
  color: var(--signal-cyan);
}

.btn .arrow { transition: transform 0.18s ease; }
.btn:hover .arrow { transform: translateX(3px); }

/* Hero data panel — fake "live" telemetry */

.hero-panel {
  position: relative;
  background: var(--void-2);
  border: 1px solid var(--rule);
  font-size: var(--t-xs);
  min-height: 380px;
}

.hero-panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.8rem 1rem;
  border-bottom: 1px solid var(--rule);
  color: var(--fg-low);
  font-size: var(--t-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero-panel-head .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--signal-green);
  margin-right: 0.5rem;
  display: inline-block;
  vertical-align: middle;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(111, 224, 161, 0.6); }
  50%      { box-shadow: 0 0 0 6px rgba(111, 224, 161, 0); }
}

#log-feed {
  padding: 1rem;
  list-style: none;
  margin: 0;
  font-size: var(--t-xs);
  line-height: 1.7;
  color: var(--fg-mute);
  font-variant-numeric: tabular-nums;
  height: 320px;
  overflow: hidden;
  position: relative;
}

#log-feed li {
  display: grid;
  grid-template-columns: 90px 70px 1fr;
  gap: 0.8rem;
  opacity: 0;
  animation: log-enter 0.3s ease forwards;
}

#log-feed li .ts  { color: var(--fg-low); }
#log-feed li .sev { letter-spacing: 0.1em; text-transform: uppercase; font-size: 0.66rem; padding-top: 1px; }
#log-feed li .sev--info { color: var(--signal-cyan); }
#log-feed li .sev--warn { color: var(--signal-amber); }
#log-feed li .sev--crit { color: var(--signal-coral); }
#log-feed li .sev--ok   { color: var(--signal-green); }
#log-feed li .msg { color: var(--fg); }
#log-feed li .msg .payload { color: var(--fg-low); }

@keyframes log-enter {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ----- Page hero (sub-pages) ----- */

.page-hero {
  padding-top: 5rem;
  text-align: center;
}

.section.page-hero .eyebrow,
.section.page-hero h2,
.section.page-hero .lede,
.section.page-hero .product-byline {
  margin-left: auto;
  margin-right: auto;
}

.section.page-hero .lede {
  max-width: 70ch;
}

.section.page-hero .product-byline {
  max-width: 60ch;
}

/* Philosophy block — center blockquote inom philosophy-container */
.section.page-hero .philosophy blockquote {
  margin-left: auto;
  margin-right: auto;
}

/* Override center-inheritance för content-blocks
   (intro-text och taglines centreras, men spec-listor + grids är vänsterställda) */
.section.page-hero .product,
.section.page-hero .product .product-meta,
.section.page-hero .product .tagline,
.section.page-hero .product p,
.section.page-hero .product .feature-list,
.section.page-hero .product .feature-list li,
.section.page-hero .product .spec,
.section.page-hero .product .spec dl,
.section.page-hero .product .spec dt,
.section.page-hero .product .spec dd,
.section.page-hero .product .spec .schema,
.section.page-hero .product .spec h4,
.section.page-hero .phases,
.section.page-hero .phase,
.section.page-hero .phase h4,
.section.page-hero .phase .feature-list,
.section.page-hero .phase .feature-list li,
.section.page-hero .legend,
.section.page-hero .legend-cell,
.section.page-hero .principles,
.section.page-hero .principle,
.section.page-hero .anti-list,
.section.page-hero .anti-list li,
.section.page-hero .code-row,
.section.page-hero .post-list,
.section.page-hero .post-list li {
  text-align: left;
}

/* ----- Product mark (hero-icon on product pages) ----- */

.product-mark {
  display: block;
  width: 384px;
  height: 384px;
  margin: 0 auto 2rem;   /* centrerad horisontellt över texten */
}

/* ----- Product card thumbnail (index page) ----- */

.product-card .card-mark {
  width: 216px;
  height: 216px;
  margin: 0 auto 1.4rem; /* centrerad i kortet */
  display: block;
}

/* ----- Product byline (acronym + quote-tagline) ----- */

.product-byline {
  margin: 1.4rem 0 2.4rem;
  padding: 1.2rem 0;
  border-top: 1px dashed var(--rule);
  border-bottom: 1px dashed var(--rule);
}

.acronym {
  font-size: var(--t-sm);
  color: var(--fg-mute);
  margin: 0 0 0.7rem;
  line-height: 1.6;
  letter-spacing: 0.02em;
}

.acronym strong {
  color: var(--signal-cyan);
  font-weight: 700;
}

.tagline-quote {
  font-size: var(--t-md);
  color: var(--fg);
  margin: 0;
  letter-spacing: 0.01em;
}

.tagline-quote::before {
  content: "// ";
  color: var(--fg-low);
}

/* ----- Product index (home page card grid) ----- */

.product-index {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  margin-top: 2rem;
}

.product-card {
  background: var(--void);
  padding: 2.4rem 2rem 2rem;
  text-decoration: none;
  color: var(--fg);
  transition: background 0.18s ease;
  display: flex;
  flex-direction: column;
  min-height: 280px;
}

.product-card:hover {
  background: var(--void-2);
  text-decoration: none;
}

.product-card .product-meta { margin-bottom: 1.2rem; }

.product-card h3 {
  font-family: var(--font-mono);
  font-size: var(--t-xl);
  font-weight: 600;
  margin: 0 0 0.6rem;
  color: var(--fg);
}

.product-card .tagline {
  color: var(--signal-cyan);
  margin: 0 0 1rem;
  font-size: var(--t-sm);
}

.product-card p {
  color: var(--fg-mute);
  font-size: var(--t-xs);
  line-height: 1.65;
  margin: 0 0 1.4rem;
}

.product-card .cta-arrow {
  margin-top: auto;
  font-size: var(--t-xs);
  color: var(--signal-cyan);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border-top: 1px dashed var(--rule);
  padding-top: 1rem;
}

.product-card--planned { opacity: 0.85; }
.product-card--planned:hover { opacity: 1; }

/* ----- Phases (rAIzr capabilities) ----- */

.phases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  margin-top: 2rem;
}

.phase {
  background: var(--void);
  padding: 2rem 1.8rem;
}

.phase-tag {
  font-size: var(--t-xs);
  color: var(--signal-cyan);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.phase h4 {
  font-family: var(--font-mono);
  font-size: var(--t-md);
  font-weight: 600;
  margin: 0 0 1rem;
  color: var(--fg);
}

/* ----- Section ----- */

.section {
  padding: var(--section-pad) 0;
  border-bottom: 1px solid var(--rule);
}

.section h2 {
  font-family: var(--font-mono);
  font-size: var(--t-2xl);
  font-weight: 500;
  letter-spacing: -0.01em;
  margin: 0 0 1.2rem;
  color: var(--fg);
}

.section .eyebrow {
  font-size: var(--t-xs);
  color: var(--signal-cyan);
  letter-spacing: 0.32em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.section .eyebrow .id-tag {
  color: var(--fg-low);
  margin-right: 0.7rem;
}

.section .lede {
  font-size: var(--t-md);
  color: var(--fg-mute);
  max-width: 64ch;
  line-height: 1.7;
  margin: 0 0 3rem;
}

/* ----- Product cards ----- */

.product {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
  padding: 3rem 0;
  border-top: 1px dashed var(--rule);
}

.product:first-of-type { border-top: 0; }

.product-meta {
  font-size: var(--t-xs);
  color: var(--fg-low);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.product-meta .status {
  color: var(--signal-green);
  margin-right: 0.6rem;
}
.product-meta .status--alpha { color: var(--signal-amber); }
.product-meta .status--planned { color: var(--fg-low); }

.product h3 {
  font-family: var(--font-mono);
  font-size: var(--t-xl);
  font-weight: 600;
  margin: 0 0 0.6rem;
  color: var(--fg);
  letter-spacing: -0.01em;
}

.product .tagline {
  font-size: var(--t-md);
  color: var(--signal-cyan);
  margin: 0 0 1.4rem;
}

.product p {
  color: var(--fg-mute);
  line-height: 1.75;
  margin: 0 0 1rem;
}

.feature-list {
  list-style: none;
  margin: 1.6rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.feature-list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: var(--t-xs);
  color: var(--fg-mute);
}

.feature-list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--signal-cyan);
}

/* Spec panel — the right column */

.spec {
  background: var(--void-2);
  border: 1px solid var(--rule);
  padding: 1.6rem;
  font-size: var(--t-xs);
}

.spec h4 {
  margin: 0 0 1rem;
  font-size: var(--t-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg-low);
  font-weight: 500;
}

.spec dl {
  margin: 0;
  display: grid;
  grid-template-columns: 110px 1fr;
  row-gap: 0.5rem;
  column-gap: 1rem;
}

.spec dt { color: var(--fg-low); }
.spec dd { margin: 0; color: var(--fg); }

.spec .schema {
  margin-top: 1.4rem;
  padding-top: 1.2rem;
  border-top: 1px dashed var(--rule);
  white-space: pre;
  font-size: 0.7rem;
  line-height: 1.55;
  color: var(--fg-mute);
  overflow-x: auto;
}

.spec .schema .kw  { color: var(--signal-cyan); }
.spec .schema .num { color: var(--signal-amber); }
.spec .schema .str { color: var(--signal-green); }

/* ----- Stats strip ----- */

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  margin: 4rem 0;
}

.stat {
  background: var(--void);
  padding: 2rem 1.6rem;
}

.stat .num {
  font-size: 2.5rem;
  font-weight: 500;
  color: var(--signal-cyan);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.stat .num.amber { color: var(--signal-amber); }
.stat .num.coral { color: var(--signal-coral); }

.stat .label {
  font-size: var(--t-xs);
  color: var(--fg-mute);
  margin-top: 0.7rem;
  letter-spacing: 0.06em;
  line-height: 1.5;
}

.stats-source {
  font-size: 0.72rem;
  color: var(--fg-low);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  line-height: 1.7;
  margin: -2rem 0 0;
  max-width: 72ch;
}

/* ----- Philosophy block ----- */

.philosophy {
  background: var(--void-2);
  border: 1px solid var(--rule);
  padding: 3rem;
  position: relative;
}

.philosophy::before {
  content: "// SENTINEL SIGNAL";
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  font-size: var(--t-xs);
  color: var(--fg-low);
  letter-spacing: 0.18em;
}

.philosophy blockquote {
  margin: 0;
  font-size: var(--t-lg);
  line-height: 1.6;
  color: var(--fg);
  max-width: 60ch;
}

.philosophy blockquote em {
  font-style: normal;
  color: var(--signal-cyan);
}

.philosophy .attrib {
  margin-top: 1.5rem;
  font-size: var(--t-xs);
  color: var(--fg-low);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

/* ----- Sentinel Signal — design system primitives ----- */

.legend {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  margin: 2.5rem 0 3rem;
}

.legend-cell {
  background: var(--void);
  padding: 1.6rem 1.2rem;
  display: flex;
  flex-direction: column;
}

.legend-cell .swatch {
  width: 100%;
  height: 56px;
  margin-bottom: 1rem;
  position: relative;
}

.legend-cell .swatch::after {
  content: attr(data-hex);
  position: absolute;
  bottom: 4px;
  right: 6px;
  font-size: 0.62rem;
  color: rgba(0,0,0,0.55);
  letter-spacing: 0.06em;
  font-family: var(--font-mono);
}

.legend-cell.dark .swatch::after { color: rgba(255,255,255,0.5); }

.legend-cell .name {
  font-size: var(--t-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fg);
  margin-bottom: 0.4rem;
}
.legend-cell .role {
  font-size: 0.7rem;
  color: var(--fg-mute);
  line-height: 1.55;
}

.principles {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  margin: 2.5rem 0;
}

.principle {
  background: var(--void);
  padding: 1.8rem 1.4rem;
  display: flex;
  flex-direction: column;
}

.principle .num {
  font-size: 1.6rem;
  color: var(--signal-cyan);
  font-weight: 600;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  margin-bottom: 0.7rem;
}

.principle .title {
  font-size: var(--t-sm);
  color: var(--fg);
  font-weight: 500;
  letter-spacing: 0.02em;
  margin-bottom: 0.6rem;
  line-height: 1.4;
}

.principle .body {
  font-size: 0.72rem;
  color: var(--fg-mute);
  line-height: 1.6;
}

.anti-list {
  list-style: none;
  padding: 0;
  margin: 2rem 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.6rem 2rem;
}

.anti-list li {
  position: relative;
  padding-left: 1.6rem;
  color: var(--fg-mute);
  font-size: var(--t-sm);
  line-height: 1.55;
}

.anti-list li::before {
  content: "✗";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--signal-coral);
  font-weight: 600;
}

.code-row {
  background: var(--void-2);
  border: 1px solid var(--rule);
  padding: 1.2rem 1.4rem;
  font-size: var(--t-xs);
  color: var(--fg);
  margin: 1.6rem 0;
  white-space: pre-wrap;
}

.code-row .ts   { color: var(--fg-low); }
.code-row .tag  { color: var(--signal-cyan); letter-spacing: 0.12em; text-transform: uppercase; }
.code-row .warn { color: var(--signal-amber); }
.code-row .crit { color: var(--signal-coral); }
.code-row .ok   { color: var(--signal-green); }

/* responsive collapse */
@media (max-width: 880px) {
  .legend     { grid-template-columns: repeat(2, 1fr); }
  .principles { grid-template-columns: 1fr; }
  .anti-list  { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .product-index { grid-template-columns: 1fr; }
  .hero-grid { grid-template-columns: 1fr; gap: 2rem; }
}

/* ----- Footer ----- */

.footer {
  padding: 4rem 0 6rem;
  font-size: var(--t-xs);
  color: var(--fg-low);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer h5 {
  font-size: var(--t-xs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--fg-mute);
  margin: 0 0 1rem;
  font-weight: 500;
}

.footer ul { list-style: none; padding: 0; margin: 0; }
.footer ul li { margin-bottom: 0.5rem; }
.footer ul a { color: var(--fg-mute); text-decoration: none; }
.footer ul a:hover { color: var(--signal-cyan); }

.footer-meta {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--rule);
  padding-top: 2rem;
  color: var(--fg-low);
}

/* ----- Responsive ----- */

@media (max-width: 880px) {
  :root { --t-3xl: 2.6rem; --section-pad: 4.5rem; }
  .hero-grid, .product { grid-template-columns: 1fr; gap: 3rem; }
  .stats, .product-index, .phases { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .topbar { grid-template-columns: 1fr auto; gap: 1rem; }
  .topbar nav { grid-column: 1 / -1; flex-wrap: wrap; gap: 1rem; }
  .topbar .meta { font-size: 0.66rem; }
}