:root {
  --bg: #000000;
  --bg-alt: #050505;
  --bg-elevated: #0A0A0A;
  --surface: #0F0F12;
  --border: #1A1A1F;
  --border-strong: #2A2A30;
  --text: #FFFFFF;
  --text-secondary: #9F9FA8;
  --text-muted: #5A5A62;
  --text-faint: #2E2E36;
  --accent: #FFFFFF;
  --accent-cyan: #6EE7F9;
  --accent-green: #8BFFB0;
  --accent-amber: #F5C76B;
  --accent-blue: #8CB5FF;
  --accent-red: #FF6B7A;
  --accent-violet: #B59CFF;
  --glass: rgba(255,255,255,0.055);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Aldrich', 'Space Grotesk', var(--font-sans);
  --font-grotesk: 'Space Grotesk', var(--font-sans);

  --container-max: 1320px;
  --container-pad: 2rem;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --t-fast: 0.2s var(--ease-out);
  --t-base: 0.4s var(--ease-out);
  --t-slow: 0.8s var(--ease-out);

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
  background: var(--bg);
  color-scheme: dark;
}
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  overflow-x: hidden;
  font-feature-settings: 'ss01', 'cv11';
}
a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; display: block; }
ul, ol { list-style: none; }
em { font-style: italic; color: var(--text-secondary); font-weight: inherit; }
button { font: inherit; background: none; border: none; cursor: pointer; color: inherit; }
::selection { background: var(--text); color: var(--bg); }

/* --- Skip link --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 9999;
  padding: 0.75rem 1.25rem;
  background: var(--text);
  color: var(--bg);
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: top 0.2s;
}
.skip-link:focus {
  top: 1rem;
}

/* --- Noise overlay --- */
.noise {
  position: fixed;
  inset: 0;
  z-index: 1000;
  pointer-events: none;
  opacity: 0.035;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

/* --- Header --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.25rem 0;
  transition: background var(--t-base), backdrop-filter var(--t-base), padding var(--t-base), border-color var(--t-base);
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  border-bottom-color: var(--border);
  padding: 0.85rem 0;
}

.site-header__inner {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

/* --- Brand --- */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.72rem;
  color: var(--text);
  min-width: 0;
}

.brand__mark {
  display: inline-flex;
  width: 44px;
  height: 44px;
  overflow: hidden;
  flex: 0 0 auto;
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 50%;
  background: #000;
  box-shadow:
    inset 0 0 18px rgba(255,255,255,0.04),
    0 0 28px rgba(255,255,255,0.08);
}

.brand__logo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 50%;
  transform: scale(1.72);
  transform-origin: 50% 50%;
  filter: drop-shadow(0 0 9px rgba(255,255,255,0.26));
}

.brand__wordmark {
  position: relative;
  display: block;
  width: clamp(9.75rem, 12vw, 11.75rem);
  height: 1.65rem;
  overflow: hidden;
  flex: 0 0 auto;
}

.brand__wordmark-image {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 129.5%;
  height: auto;
  max-width: none;
  transform: translate(-50%, -50%);
  filter: drop-shadow(0 0 12px rgba(255,255,255,0.14));
}

/* --- Nav --- */
.primary-nav__list {
  display: flex;
  gap: 0.25rem;
}

.primary-nav__link {
  position: relative;
  display: inline-block;
  padding: 0.5rem 0.85rem;
  font-size: 0.83rem;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  transition: color var(--t-fast);
  overflow: hidden;
}

.primary-nav__link span {
  display: inline-block;
  transition: transform var(--t-base);
}

.primary-nav__link::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: var(--surface);
  transform: scale(0.8);
  opacity: 0;
  transition: transform var(--t-base), opacity var(--t-base);
  z-index: -1;
}

.primary-nav__link:hover {
  color: var(--text);
}

.primary-nav__link:hover::before {
  transform: scale(1);
  opacity: 1;
}

/* --- Header CTA --- */
.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.1rem;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  font-size: 0.8rem;
  letter-spacing: 0.02em;
  background: var(--surface);
  transition: all var(--t-base);
  will-change: transform;
}

.header-cta:hover {
  background: var(--text);
  color: var(--bg);
  border-color: var(--text);
}

.header-cta__arrow {
  transition: transform var(--t-base);
}

.header-cta:hover .header-cta__arrow {
  transform: translateX(3px);
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  position: relative;
}

.nav-toggle span {
  position: absolute;
  left: 50%;
  width: 22px;
  height: 1.5px;
  background: currentColor;
  transition: transform var(--t-base), top var(--t-base);
  transform: translateX(-50%);
}
.nav-toggle span:nth-child(1) { top: 16px; }
.nav-toggle span:nth-child(2) { top: 24px; }
.nav-toggle.is-active span:nth-child(1) { top: 20px; transform: translateX(-50%) rotate(45deg); }
.nav-toggle.is-active span:nth-child(2) { top: 20px; transform: translateX(-50%) rotate(-45deg); }

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: clamp(7.5rem, 11vh, 9rem) 0 clamp(4rem, 8vh, 6rem);
  overflow: hidden;
  isolation: isolate;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.hero__beam {
  position: absolute;
  top: -20%;
  left: 50%;
  width: 90vw;
  height: 90vw;
  max-width: 900px;
  max-height: 900px;
  transform: translateX(-50%);
  background: radial-gradient(circle at center, rgba(255,255,255,0.08) 0%, rgba(255,255,255,0.02) 30%, transparent 60%);
  filter: blur(40px);
  animation: hero-beam-pulse 8s ease-in-out infinite;
}

@keyframes hero-beam-pulse {
  0%, 100% { opacity: 0.7; transform: translateX(-50%) scale(1); }
  50% { opacity: 1; transform: translateX(-50%) scale(1.05); }
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 75%);
}

/* --- Buttons --- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.95rem 1.6rem;
  font-size: 0.9rem;
  letter-spacing: 0.01em;
  font-weight: 500;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--t-base);
  white-space: nowrap;
  will-change: transform;
}

.btn--primary {
  background: var(--text);
  color: var(--bg);
}

.btn--primary:hover {
  background: var(--text);
  color: var(--bg);
  box-shadow: 0 0 0 6px rgba(255,255,255,0.08);
}

.btn--ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}

.btn--ghost:hover {
  border-color: var(--text);
  background: rgba(255,255,255,0.03);
}

.btn--lg {
  padding: 1.15rem 1.85rem;
  font-size: 0.95rem;
}

.btn__arrow {
  display: inline-block;
  transition: transform var(--t-base);
}

.btn:hover .btn__arrow {
  transform: translateX(4px);
}

/* --- Utilities --- */
.dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  background: #4ADE80;
  border-radius: 50%;
  box-shadow: 0 0 8px rgba(74, 222, 128, 0.6);
  animation: dot-pulse 2s ease-in-out infinite;
}

@keyframes dot-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* --- Section --- */
.section-head {
  text-align: center;
  margin-bottom: 5rem;
}

.section-head--left {
  text-align: left;
}

.section-head--split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 420px);
  align-items: end;
  gap: 3rem;
  text-align: left;
}

.section-head--split .section-title {
  max-width: 13ch;
  letter-spacing: 0;
}

.section-kicker {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
  max-width: 40ch;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.eyebrow__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text);
  box-shadow: 0 0 6px rgba(255,255,255,0.4);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 6vw, 4.5rem);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -0.02em;
}

.section-title em {
  font-family: var(--font-grotesk);
  font-style: italic;
  color: var(--text-secondary);
  font-weight: 300;
}

/* --- About (shared) --- */
.about__lede {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4.5vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.015em;
  font-weight: 400;
  max-width: 22ch;
  margin-bottom: 5rem;
}

.about__lede em {
  font-family: var(--font-grotesk);
  font-style: italic;
  color: var(--text-secondary);
  font-weight: 300;
}

.about__text {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 50ch;
}

/* --- CTA --- */
.cta {
  padding: 9rem 0;
  border-top: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 50% 100%, rgba(255,255,255,0.06), transparent 70%);
  pointer-events: none;
}

.cta__inner {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.cta__inner .eyebrow {
  justify-content: center;
}

.cta__headline {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 5rem);
  line-height: 1;
  letter-spacing: -0.02em;
  font-weight: 400;
  margin-bottom: 1.5rem;
}

.cta__text {
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto 2.5rem;
  line-height: 1.6;
}

.cta__actions {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  align-items: center;
}

.cta__email {
  font-family: var(--font-grotesk);
  font-size: 0.85rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

/* --- Footer --- */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg);
  position: relative;
}

.site-footer__inner {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 5rem var(--container-pad) 2rem;
}

.site-footer__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 3rem;
  padding-bottom: 4rem;
  border-bottom: 1px solid var(--border);
}

.brand--footer .brand__mark {
  width: 42px;
  height: 42px;
}

.brand--footer .brand__wordmark {
  width: clamp(9.75rem, 14vw, 12.25rem);
}

.site-footer__lede {
  font-size: 0.95rem;
  color: var(--text-secondary);
  max-width: 32ch;
  line-height: 1.6;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1.5fr;
  gap: 3rem;
  padding: 4rem 0 3rem;
  border-bottom: 1px solid var(--border);
}

.site-footer__heading {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.4rem;
  font-weight: 500;
}

.site-footer__col ul {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.site-footer__col a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: color var(--t-fast);
}

.site-footer__col a:hover {
  color: var(--text);
}

.site-footer__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  letter-spacing: -0.01em;
  color: var(--text);
  transition: gap var(--t-base);
}

.site-footer__cta:hover {
  gap: 1rem;
}

.site-footer__cta-arrow {
  transition: transform var(--t-base);
}

.site-footer__cta:hover .site-footer__cta-arrow {
  transform: translateX(4px);
}

.site-footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
  font-family: var(--font-grotesk);
}

/* --- Animations --- */
[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

[data-animate].is-visible {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- WordPress fallback --- */
.entry-content { max-width: 720px; margin: 0 auto; padding: 9rem 2rem 5rem; }
.entry-content h1, .entry-content h2, .entry-content h3 {
  font-family: var(--font-display);
  margin-bottom: 1rem;
  line-height: 1.1;
}
.entry-content p { color: var(--text-secondary); line-height: 1.75; margin-bottom: 1rem; }
.entry-content a { color: var(--text); border-bottom: 1px solid var(--border-strong); }

/* --- Command-center hero --- */
.hero--command {
  min-height: 92svh;
  align-items: center;
  padding: clamp(6.5rem, 9vh, 8rem) 0 clamp(2.75rem, 5vh, 4rem);
}

.hero--command::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 34%;
  background: linear-gradient(180deg, transparent, var(--bg));
  pointer-events: none;
  z-index: -1;
}

.hero--command .hero__beam {
  top: -16%;
  left: 66%;
  width: 86vw;
  height: 86vw;
  background:
    conic-gradient(from 140deg at 50% 50%, rgba(110,231,249,0.22), transparent 23%, rgba(139,255,176,0.16), transparent 47%, rgba(181,156,255,0.18), transparent 70%, rgba(245,199,107,0.12), transparent),
    radial-gradient(circle at center, rgba(255,255,255,0.09), transparent 58%);
  filter: blur(52px);
}

.hero-command__inner {
  position: relative;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.78fr);
  gap: clamp(2.75rem, 6vw, 6.5rem);
  align-items: center;
}

.hero-command__content {
  display: grid;
  gap: 1.35rem;
  min-width: 0;
}

.hero-command__eyebrow {
  width: fit-content;
  color: rgba(255,255,255,0.66);
  font-family: var(--font-grotesk);
  font-size: clamp(0.72rem, 1vw, 0.84rem);
  letter-spacing: 0.18em;
  line-height: 1.45;
  text-transform: uppercase;
}

.hero-command__headline {
  display: grid;
  gap: 0.04em;
  max-width: 15ch;
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 6.25vw, 6.35rem);
  line-height: 0.92;
  letter-spacing: 0;
  font-weight: 400;
}

.hero-command__headline span:nth-child(2) {
  color: rgba(255,255,255,0.74);
  font-family: var(--font-grotesk);
  font-style: italic;
  font-weight: 300;
}

.hero-command__description {
  max-width: 55ch;
  color: rgba(255,255,255,0.72);
  font-size: clamp(1.05rem, 1.4vw, 1.2rem);
  line-height: 1.62;
}

.hero-command__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  padding-top: 0.45rem;
}

/* --- Command console --- */
.command-console {
  position: relative;
  width: 100%;
  max-width: 560px;
  justify-self: end;
  border: 1px solid rgba(255,255,255,0.14);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.075), rgba(255,255,255,0.022)),
    rgba(4, 6, 8, 0.84);
  box-shadow: 0 34px 110px rgba(0,0,0,0.54);
  backdrop-filter: blur(24px) saturate(145%);
  -webkit-backdrop-filter: blur(24px) saturate(145%);
  overflow: hidden;
}

.command-console::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, transparent, rgba(255,255,255,0.055), transparent),
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 100% 100%, 100% 42px;
  opacity: 0.58;
  pointer-events: none;
}

.command-console__top,
.command-console__screen {
  position: relative;
  z-index: 1;
}

.command-console__top {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.1rem;
  border-bottom: 1px solid rgba(255,255,255,0.12);
  font-family: var(--font-grotesk);
  font-size: 0.74rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.command-console__label {
  color: var(--text-secondary);
}

.command-console__state {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--text);
}

.command-console__screen {
  position: relative;
  min-height: clamp(430px, 39vw, 540px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: clamp(1rem, 1.8vw, 1.4rem);
  padding: clamp(1.15rem, 2vw, 1.6rem);
  overflow: hidden;
}

.command-console__summary {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 0.65rem;
  min-width: 0;
  padding-bottom: clamp(1rem, 1.8vw, 1.35rem);
  border-bottom: 1px solid rgba(255,255,255,0.12);
}

.command-console__summary span,
.operating-step span,
.command-console__scope span,
.system-card__index,
.proof-cell span {
  color: var(--text-muted);
  font-family: var(--font-grotesk);
  font-size: 0.72rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.command-console__summary strong {
  display: block;
  min-width: 0;
  max-width: 27ch;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.1vw, 1.8rem);
  line-height: 1.15;
  font-weight: 400;
  overflow-wrap: anywhere;
}

.operating-steps {
  position: relative;
  z-index: 1;
  display: grid;
  border-top: 1px solid rgba(255,255,255,0.12);
  border-left: 1px solid rgba(255,255,255,0.12);
}

.operating-step {
  display: grid;
  grid-template-columns: 3.25rem 1fr;
  gap: 1rem;
  align-items: start;
  padding: clamp(0.9rem, 1.6vw, 1.15rem);
  border-right: 1px solid rgba(255,255,255,0.12);
  border-bottom: 1px solid rgba(255,255,255,0.12);
  background: rgba(0,0,0,0.35);
}

.operating-step div {
  display: grid;
  gap: 0.28rem;
  min-width: 0;
}

.operating-step strong {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 400;
}

.operating-step p {
  max-width: 42ch;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.command-console__scope {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid rgba(255,255,255,0.12);
  border-left: 1px solid rgba(255,255,255,0.12);
}

.command-console__scope div {
  min-height: 76px;
  display: grid;
  gap: 0.32rem;
  align-content: center;
  padding: 0.85rem 0.95rem;
  border-right: 1px solid rgba(255,255,255,0.12);
  border-bottom: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.025);
}

.command-console__scope strong {
  font-size: 0.92rem;
  font-weight: 500;
}

/* --- Signal strip --- */
.signal-strip {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(110,231,249,0.08), transparent 26%, rgba(139,255,176,0.07), transparent 58%, rgba(181,156,255,0.08)),
    var(--bg);
}

.signal-strip__track {
  display: flex;
  width: max-content;
  animation: marquee 42s linear infinite;
}

.signal-strip__group {
  display: flex;
  align-items: center;
  gap: 0;
  font-family: var(--font-display);
  font-size: clamp(0.88rem, 1.2vw, 1.08rem);
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.54);
  text-transform: uppercase;
  white-space: nowrap;
}

.signal-strip__group span {
  padding: 1.25rem 2rem;
  border-right: 1px solid rgba(255,255,255,0.1);
}

/* --- Systems / Diagnostic / Proof --- */
.systems,
.diagnostic,
.proof {
  padding: 8rem 0;
  border-top: 1px solid var(--border);
}

.systems {
  background:
    linear-gradient(180deg, var(--bg), rgba(7,10,11,0.98)),
    var(--bg);
}

.system-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--border);
  border-left: 1px solid var(--border);
}

.system-card {
  position: relative;
  min-height: 330px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.65rem;
  padding: clamp(1.35rem, 2.2vw, 2rem);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(circle 360px at var(--mx, 50%) var(--my, 42%), rgba(255,255,255,0.055), transparent 62%),
    var(--bg);
  transition: background var(--t-base), transform var(--t-base), border-color var(--t-base);
  overflow: hidden;
}

.system-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent),
    linear-gradient(180deg, transparent, rgba(110,231,249,0.045));
  opacity: 0;
  transform: translateX(-35%);
  transition: opacity var(--t-base), transform 0.7s var(--ease-out);
  pointer-events: none;
}

.system-card:hover {
  background:
    radial-gradient(circle 430px at var(--mx, 50%) var(--my, 42%), rgba(110,231,249,0.085), transparent 62%),
    var(--bg-elevated);
  border-color: rgba(255,255,255,0.2);
}

.system-card:hover::before {
  opacity: 1;
  transform: translateX(35%);
}

.system-card--wide {
  grid-column: span 2;
  background:
    linear-gradient(135deg, rgba(110,231,249,0.12), rgba(181,156,255,0.07) 48%, rgba(139,255,176,0.045)),
    var(--bg-elevated);
}

.system-card:last-child {
  grid-column: span 3;
  min-height: 250px;
}

.system-card h3 {
  position: relative;
  z-index: 1;
  max-width: 12ch;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 2.45vw, 2.35rem);
  line-height: 1.02;
  font-weight: 400;
  letter-spacing: 0;
}

.system-card p {
  position: relative;
  z-index: 1;
  max-width: 43ch;
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.65;
}

.system-card__signal {
  position: relative;
  z-index: 1;
  width: fit-content;
  max-width: 100%;
  padding: 0.44rem 0.72rem;
  border: 1px solid var(--border-strong);
  color: rgba(255,255,255,0.68);
  font-family: var(--font-grotesk);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  line-height: 1.35;
  text-transform: uppercase;
}

/* --- Diagnostic --- */
.diagnostic {
  background:
    linear-gradient(180deg, rgba(8,11,12,0.98), var(--bg)),
    var(--bg);
}

.diagnostic__inner {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(340px, 1.1fr);
  gap: clamp(3rem, 7vw, 8rem);
  align-items: start;
}

.diagnostic__copy .about__lede {
  max-width: 15ch;
  margin-bottom: 2rem;
  letter-spacing: 0;
}

.diagnostic-console {
  border: 1px solid rgba(255,255,255,0.13);
  background: rgba(255,255,255,0.035);
}

.diagnostic-console__header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.15rem;
  border-bottom: 1px solid rgba(255,255,255,0.12);
  color: var(--text-secondary);
  font-family: var(--font-grotesk);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.diagnostic-console__rows {
  display: grid;
}

.diagnostic-row {
  display: grid;
  grid-template-columns: 58px minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 1.2rem;
  align-items: baseline;
  padding: 1.45rem 1.15rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  background:
    linear-gradient(90deg, rgba(110,231,249,0.08), transparent 42%),
    transparent;
}

.diagnostic-row:last-child {
  border-bottom: 0;
}

.diagnostic-row span {
  color: var(--text-muted);
  font-family: var(--font-grotesk);
  font-size: 0.74rem;
  letter-spacing: 0.15em;
}

.diagnostic-row strong {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 1.8vw, 1.55rem);
  line-height: 1.1;
  font-weight: 400;
}

.diagnostic-row p {
  color: var(--text-secondary);
  font-size: 0.96rem;
  line-height: 1.58;
}

/* --- Proof --- */
.proof {
  background:
    linear-gradient(180deg, var(--bg), rgba(7,8,10,0.98)),
    var(--bg);
}

.proof__inner {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(3rem, 7vw, 7rem);
  align-items: start;
}

.proof__statement {
  position: sticky;
  top: 7rem;
}

.proof__statement .section-title {
  max-width: 11ch;
}

.proof-matrix {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--border);
  border-left: 1px solid var(--border);
}

.proof-cell {
  min-height: 250px;
  display: grid;
  align-content: space-between;
  gap: 1.5rem;
  padding: clamp(1.25rem, 2vw, 1.8rem);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.022);
}

.proof-cell strong {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  line-height: 1.08;
  font-weight: 400;
}

.proof-cell p {
  color: var(--text-secondary);
  line-height: 1.62;
}

/* --- Responsive --- */
@media (max-width: 1080px) {
  .hero-command__inner,
  .diagnostic__inner,
  .proof__inner {
    grid-template-columns: 1fr;
  }

  .command-console {
    max-width: 720px;
    justify-self: stretch;
  }

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

  .system-card:last-child {
    grid-column: span 2;
  }

  .proof__statement {
    position: static;
  }
}

@media (max-width: 768px) {
  :root { --container-pad: 1.25rem; }

  .primary-nav { display: none; position: fixed; inset: 0; background: var(--bg); flex-direction: column; align-items: center; justify-content: center; z-index: 90; }
  .primary-nav.is-active { display: flex; }
  .primary-nav__list { flex-direction: column; gap: 1rem; }
  .primary-nav__link { font-size: 1.5rem; padding: 0.75rem 1.5rem; }
  .header-cta { display: none; }
  .nav-toggle { display: block; z-index: 100; }

  .hero { padding: 8rem 0 4rem; min-height: auto; }

  .hero--command {
    min-height: auto;
    padding: 7.25rem 0 3.25rem;
  }

  .hero-command__content {
    gap: 1.1rem;
  }

  .hero-command__eyebrow {
    max-width: 34ch;
    font-size: 0.64rem;
    letter-spacing: 0.11em;
  }

  .hero-command__headline {
    max-width: 100%;
    font-size: clamp(2.45rem, 11vw, 3.4rem);
    line-height: 0.98;
  }

  .hero-command__description {
    max-width: 35ch;
    font-size: 1rem;
  }

  .hero-command__actions {
    align-items: flex-start;
  }

  .btn {
    max-width: 100%;
    justify-content: center;
    white-space: normal;
    text-align: center;
  }

  .command-console {
    width: calc(100vw - (2 * var(--container-pad)));
    max-width: none;
    justify-self: start;
  }

  .command-console__screen {
    min-height: 390px;
  }

  .command-console__scope,
  .system-grid,
  .proof-matrix {
    grid-template-columns: 1fr;
  }

  .command-console__summary strong {
    max-width: 24ch;
  }

  .section-head { margin-bottom: 3rem; }
  .section-head--split { grid-template-columns: 1fr; gap: 1.25rem; }

  .systems,
  .diagnostic,
  .proof,
  .cta {
    padding: 5rem 0;
  }

  .system-card,
  .proof-cell {
    min-height: 260px;
  }

  .system-card--wide {
    grid-column: auto;
  }

  .system-card:last-child {
    grid-column: auto;
  }

  .diagnostic-row {
    grid-template-columns: 1fr;
    gap: 0.55rem;
  }

  .diagnostic-console__header {
    flex-direction: column;
  }

  .site-footer__top { flex-direction: column; gap: 1.5rem; padding-bottom: 2.5rem; }
  .site-footer__grid { grid-template-columns: 1fr; gap: 2rem; padding: 2.5rem 0; }
  .site-footer__bottom { flex-direction: column; gap: 0.75rem; align-items: flex-start; }

  .signal-strip__group { font-size: 0.82rem; }
  .signal-strip__group span { padding: 1rem 1.5rem; }
}

@media (max-width: 480px) {
  .brand__wordmark { width: 8.75rem; height: 1.45rem; }

  .command-console__top {
    flex-direction: column;
    gap: 0.35rem;
  }

  .command-console__screen {
    min-height: auto;
    padding: 1rem;
  }

  .command-console__summary strong {
    font-size: 1.22rem;
    line-height: 1.2;
    max-width: 20ch;
  }

  .operating-step {
    grid-template-columns: 1fr;
    gap: 0.45rem;
  }

  .operating-step p {
    max-width: 28ch;
  }

  .command-console__scope div {
    min-height: 68px;
  }

  .signal-strip__group span {
    padding: 1rem 1.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .signal-strip__track { animation: none; }
  [data-animate], [data-reveal] { opacity: 1; transform: none; }
}