/* ─── Tokens ─────────────────────────────────────── */
:root {

  --font-display: "specter", sans-serif;
  --font-body: "helvetica-lt-pro", sans-serif;
  --font-accent: "helvetica-lt-pro", sans-serif;

  --bg: #000;
  --bg-raised: #0a0a0a;
  --bg-panel: #111;
  --bg-soft: #161616;
  --bg-light: #fff;
  --text: #f5f5f5;
  --text-muted: rgba(255, 255, 255, 0.62);
  --text-dim: rgba(255, 255, 255, 0.32);
  --border: rgba(255, 255, 255, 0.1);
  --border-strong: rgba(255, 255, 255, 0.18);
  --accent: #c8ff00;
  --space-section: clamp(3.5rem, 8vh, 5.5rem);
  --space-inline: clamp(1.5rem, 4vw, 2.75rem);
}

/* ─── Reset ──────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

p {
  font-family: var(--font-body);
  font-size: clamp(0.95rem, 1.1vw, 1.05rem);
  line-height: 1.7;
  color: var(--text-muted);
}

.type-label {
  font-family: var(--font-accent);
  font-size: 0.62rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* ─── Global Nav ──────────────────────────────────── */
.global-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2.5rem;
  height: 3.25rem;
  transition: background 0.35s, border-color 0.35s;
  border-bottom: 1px solid transparent;
}

/* dark mode (over black hero) */
.global-nav {
  --nav-text: rgba(255,255,255,0.5);
  --nav-text-active: #fff;
  --nav-bg: rgba(0, 0, 0, 0.3);
  --nav-border: rgba(255,255,255,0.08);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* light mode (over grey sections) */
.global-nav.is-light {
  --nav-text: rgba(0,0,0,0.45);
  --nav-text-active: #111;
  --nav-bg: rgba(255, 255, 255, 0.92);
  --nav-border: rgba(0,0,0,0.08);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.global-nav {
  background: var(--nav-bg);
  border-bottom-color: var(--nav-border);
}

.global-nav-logo img {
  height: 1.6rem;
  width: auto;
  display: block;
  filter: invert(0);
  opacity: 0.85;
  transition: opacity 0.2s;
}

.global-nav.is-light .global-nav-logo img {
  filter: none;
  height: 1.75rem;
}

.global-nav-logo:hover img { opacity: 1; }

.global-nav-links {
  display: flex;
  align-items: center;
  gap: 0;
}

.global-nav-link {
  padding: 0 1rem;
  height: 3.25rem;
  display: flex;
  align-items: center;
  font-family: var(--font-accent);
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--nav-text);
  transition: color 0.2s;
  position: relative;
}

.global-nav-link:hover {
  color: var(--nav-text-active);
}

.global-nav-link.is-active {
  color: var(--nav-text-active);
  background: rgba(255, 255, 255, 0.08);
}

.global-nav.is-light .global-nav-link.is-active {
  background: rgba(0, 0, 0, 0.06);
}

/* ─── Mobile nav toggle ───────────────────────────── */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 2.5rem;
  height: 2.5rem;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 110;
}

.nav-toggle-bar {
  display: block;
  width: 1.35rem;
  height: 2px;
  background: var(--nav-text-active);
  transition: transform 0.25s, opacity 0.25s;
}

.nav-toggle.is-active .nav-toggle-bar:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.nav-toggle.is-active .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}
.nav-toggle.is-active .nav-toggle-bar:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* menu panel is always dark, so keep the close icon light regardless of nav theme */
.nav-toggle.is-active .nav-toggle-bar {
  background: #fff;
}

/* ─── Hero ────────────────────────────────────────── */
.hero-wrapper {
  position: relative;
  height: 160vh; /* extra scroll space lets the hero hold full-screen before the next section scrolls over it */
}

.hero-section {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100dvh;
  background: #000;
  display: grid;
  grid-template-rows: 1fr auto;
  padding-top: 3.25rem; /* nav height */
}

.hero-content {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: 0 4vw 0 10vw;
  gap: 0.75rem;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.5rem, 8vw, 5.5rem);
  letter-spacing: -0.02em;
  text-transform: uppercase;
  white-space: nowrap;
  color: #fff;
  line-height: 0.95;
}

.hero-logo {
  height: 180px;
  width: auto;
}

.hero-footer {
  padding: 0 2.75rem 2.25rem;
}

.hero-est {
  font-family: var(--font-accent);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.35rem;
}

.hero-tags {
  font-family: var(--font-accent);
  font-size: 0.58rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  color: var(--text-dim);
  text-transform: uppercase;
}

/* ─── Brand Statement ─────────────────────────────── */
.brand-statement-wrapper {
  position: relative;
  height: 160vh; /* extra scroll space lets the white page hold full-screen before Systems scrolls over it */
}

.brand-statement {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100dvh;
  background: var(--bg-raised);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 2.5rem;
  padding: var(--space-section) var(--space-inline);
}

.brand-statement.section--light {
  background: var(--bg-light);
  border-color: rgba(0, 0, 0, 0.1);
}

.brand-statement-top {
  display: grid;
  grid-template-columns: 1fr minmax(16rem, 22rem);
  align-items: end;
  gap: clamp(2rem, 5vw, 4rem);
}

.brand-statement-name {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7.5vw, 6rem);
  font-weight: 400;
  color: #fff;
  line-height: 0.95;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

.brand-statement-desc {
  font-family: var(--font-body);
  font-size: clamp(0.95rem, 1.15vw, 1.08rem);
  font-weight: 400;
  line-height: 1.75;
  letter-spacing: 0;
  text-transform: none;
  color: var(--text-muted);
  text-align: left;
  max-width: none;
}

.brand-statement-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  border-top: 1px solid var(--border);
  padding-top: 1.25rem;
  font-family: var(--font-accent);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* ─── Products ────────────────────────────────────── */
.products-scroll {
  position: relative;
  height: 320vh;
  background: var(--bg-systems);
  color: var(--text);
  --bg-systems: #1a1a1a;
}

.products-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--bg-systems);
  --collapsed-h: 5.5rem;
  --expanded-h: 18rem;
  --thumb-size: 4.25rem;
}

.products-header {
  flex-shrink: 0;
  padding: 2.75rem var(--space-inline) 1rem;
  border-bottom: 1px solid var(--border);
}

.products-header-label {
  font-family: var(--font-accent);
  font-size: 0.58rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.35rem;
}

.products-header-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 400;
  color: #fff;
  text-transform: uppercase;
  line-height: 0.95;
  letter-spacing: -0.02em;
}

.products-list {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}
.product-card {
  --expand: 0;
  flex: none;
  height: calc(var(--collapsed-h) + var(--expand) * (var(--expanded-h) - var(--collapsed-h)));
  overflow: hidden;
  border-bottom: 1px solid var(--border);
  will-change: height;
}
.product-card:first-child { border-top: 1px solid var(--border); }

.product-row {
  display: flex;
  align-items: center;
  height: var(--collapsed-h);
  padding: 0 2.5rem;
  gap: 1.25rem;
  cursor: pointer;
}
.product-card[data-href] { transition: background 0.2s; }
.product-card[data-href]:hover { background: rgba(255, 255, 255, 0.025); }
.product-card[data-href]:hover .product-name { color: #fff; }
.product-card[data-href]:hover .product-arrow-link { color: #fff; }

.product-num {
  font-family: var(--font-accent);
  font-size: 0.62rem;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  flex-shrink: 0;
  width: 1.5rem;
  font-variant-numeric: tabular-nums;
}

.product-thumb {
  flex-shrink: 0;
  width: var(--thumb-size);
  height: var(--thumb-size);
  background: var(--bg-panel);
  overflow: hidden;
}

.product-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.product-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.product-category {
  font-family: var(--font-accent);
  font-size: 0.57rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.product-name {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  font-weight: 400;
  color: #fff;
  line-height: 1.05;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: -0.01em;
}

.product-right {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 1.1rem;
}

.product-tag {
  font-family: var(--font-accent);
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  color: var(--text-dim);
}

.product-arrow-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}
.product-arrow-link:hover { color: #fff; }

.product-extra {
  height: calc(var(--expanded-h) - var(--collapsed-h));
  overflow: hidden;
  opacity: var(--expand);
  transform: translateY(calc((1 - var(--expand)) * 10px));
  will-change: opacity, transform;
  pointer-events: none;
}
.product-card[data-state="open"] .product-extra { pointer-events: auto; }

.product-extra-inner {
  padding: 0.25rem 2.5rem 1.5rem calc(2.5rem + 1.5rem + var(--thumb-size) + 2.5rem);
}

.product-extra-text {
  display: flex;
  flex-direction: column;
}

.product-stage-line {
  font-family: var(--font-accent);
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.9rem;
}
.product-stage-line span {
  color: var(--text-dim);
  margin-right: 0.55rem;
}

.product-desc p {
  font-size: clamp(0.88rem, 1vw, 0.95rem);
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: 0.55rem;
}
.product-desc p:last-child { margin-bottom: 0; }

.product-tags {
  font-family: var(--font-accent);
  font-size: 0.58rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-top: 0.9rem;
  padding-top: 0.7rem;
  border-top: 1px solid var(--border);
}

/* ─── Capabilities ────────────────────────────────── */
.capabilities {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: var(--space-section) var(--space-inline);
}

.capabilities-head {
  display: grid;
  grid-template-columns: 1fr minmax(18rem, 30rem);
  align-items: end;
  gap: clamp(1.5rem, 5vw, 4rem);
  margin-bottom: 2.75rem;
}

.capabilities-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 400;
  color: #fff;
  text-transform: uppercase;
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin-top: 0.6rem;
}

.capabilities-lead {
  font-size: clamp(0.92rem, 1.05vw, 1rem);
  line-height: 1.75;
  color: var(--text-muted);
}

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

.capability-card {
  padding: 2rem 1.75rem 1.75rem 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  min-height: 15rem;
}
.capability-card + .capability-card {
  padding-left: 1.75rem;
  border-left: 1px solid var(--border);
}

.capability-num {
  font-family: var(--font-accent);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}

.capability-name {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.2vw, 1.7rem);
  font-weight: 400;
  color: #fff;
  letter-spacing: -0.01em;
  line-height: 1.05;
  margin: 1.1rem 0 0.9rem;
}

.capability-desc {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--text-muted);
  flex: 1;
}

.capability-link {
  margin-top: 1.5rem;
  font-family: var(--font-accent);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: color 0.2s, gap 0.2s;
}
.capability-link span { color: var(--text-dim); transition: color 0.2s; }
.capability-link:hover { color: #fff; gap: 0.7rem; }
.capability-link:hover span { color: var(--accent); }

/* ─── Mission statement ───────────────────────────── */
.mission-wrapper {
  position: relative;
  height: 160vh; /* extra scroll space lets the mission statement hold full-screen before the CTA scrolls over it */
}

.mission {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100dvh;
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: clamp(5rem, 14vh, 9rem) var(--space-inline);
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.mission-label { margin-bottom: 1.75rem; }
.mission-label::before {
  content: "";
  display: inline-block;
  width: 6px; height: 6px;
  margin-right: 0.6rem;
  border-radius: 50%;
  background: var(--accent);
  vertical-align: middle;
}

.mission-statement {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 5.5vw, 4.25rem);
  font-weight: 400;
  color: #fff;
  line-height: 1.04;
  letter-spacing: -0.025em;
  margin-bottom: 1.75rem;
}
.mission-statement span { color: var(--text-dim); }

.mission-sub {
  max-width: 34rem;
  margin: 0 auto;
  font-size: clamp(0.95rem, 1.1vw, 1.05rem);
  line-height: 1.75;
  color: var(--text-muted);
}

/* ─── Stats band ──────────────────────────────────── */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stat {
  padding: clamp(2rem, 4vw, 3rem) clamp(1.25rem, 2.5vw, 2rem);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}
.stat:first-child { border-left: none; }

.stat-num {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5.5vw, 4rem);
  font-weight: 400;
  color: #fff;
  line-height: 0.9;
  letter-spacing: -0.03em;
}
.stat-unit {
  font-size: 0.4em;
  color: var(--text-dim);
  letter-spacing: 0;
  margin-left: 0.15em;
}

.stat-label {
  font-family: var(--font-accent);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  line-height: 1.5;
}

/* ─── Updates / roadmap ───────────────────────────── */
.updates {
  background: var(--bg);
  padding: var(--space-section) var(--space-inline);
}

.updates-head {
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
  margin-bottom: 2rem;
}
.updates-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 400;
  color: #fff;
  text-transform: uppercase;
  line-height: 0.95;
  letter-spacing: -0.02em;
}

.updates-list {
  list-style: none;
  border-top: 1px solid var(--border);
}

.update-row {
  display: grid;
  grid-template-columns: 11rem 1fr auto;
  align-items: start;
  gap: 1.5rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--border);
  transition: padding-left 0.25s;
}
.update-row:hover { padding-left: 0.75rem; }

.update-stage {
  font-family: var(--font-accent);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  padding-top: 0.2rem;
}

.update-body h3 {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 1.8vw, 1.4rem);
  font-weight: 400;
  color: #fff;
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
  line-height: 1.1;
}
.update-body p {
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--text-muted);
  max-width: 34rem;
}

.update-links {
  display: flex;
  gap: 0.5rem;
  padding-top: 0.2rem;
}
.update-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.9rem;
  height: 1.9rem;
  border: 1px solid var(--border-strong);
  border-radius: 2px;
  font-family: var(--font-accent);
  font-size: 0.62rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s, border-color 0.2s;
}
.update-link:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* ─── CTA ─────────────────────────────────────────── */
.cta-wrapper {
  position: relative;
  height: 160vh; /* extra scroll space lets the closing CTA hold full-screen before the footer scrolls over it */
}

.cta-section {
  position: sticky;
  top: 0;
  height: 100vh;
  height: 100dvh;
  background: var(--bg-panel);
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-section) var(--space-inline);
  color: var(--text);
}

.cta-label {
  font-family: var(--font-accent);
  font-size: 0.58rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 1.25rem;
}

.cta-heading {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.25rem);
  font-weight: 400;
  color: #fff;
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.cta-sub {
  font-size: clamp(0.95rem, 1.1vw, 1.05rem);
  color: var(--text-muted);
  max-width: 28rem;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.cta-actions {
  display: flex;
  align-items: center;
  gap: 2.25rem;
  flex-wrap: wrap;
  justify-content: center;
}

.cta-btn {
  padding: 0.75rem 2rem;
  border: 1px solid var(--border-strong);
  background: transparent;
  color: #fff;
  font-family: var(--font-accent);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  transition: background 0.2s, border-color 0.2s;
}
.cta-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.45);
}

.cta-learn {
  font-family: var(--font-accent);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.cta-learn:hover { color: #fff; }

.cta-contact {
  margin-top: 2.25rem;
  font-family: var(--font-accent);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 0.85rem;
}
.cta-contact a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.cta-contact a:hover { color: #fff; }

/* ─── Site footer ─────────────────────────────────── */
.site-footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  color: var(--text);
}

.site-footer.section--light {
  background: #fff;
  border-top-color: rgba(0, 0, 0, 0.1);
  color: #111;
}

.site-footer.section--light .site-footer-desc,
.site-footer.section--light .site-footer-col a {
  color: rgba(0, 0, 0, 0.55);
}

.site-footer.section--light .site-footer-col a:hover {
  color: #111;
}

.site-footer.section--light .site-footer-status,
.site-footer.section--light .site-footer-col-title,
.site-footer.section--light .site-footer-bottom {
  color: rgba(0, 0, 0, 0.38);
}

.site-footer.section--light .site-footer-top,
.site-footer.section--light .site-footer-bottom {
  border-color: rgba(0, 0, 0, 0.1);
}

.site-footer-top {
  display: flex;
  justify-content: space-between;
  gap: 3rem;
  padding: var(--space-section) var(--space-inline);
  border-bottom: 1px solid var(--border);
}

.site-footer-brand {
  max-width: 17rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.site-footer-logo {
  display: block;
  width: auto;
  max-width: 14rem;
  height: 3.25rem;
  object-fit: contain;
  object-position: left;
}

.site-footer-desc {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-muted);
}

.site-footer-status {
  font-family: var(--font-accent);
  font-size: 0.56rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.site-footer-nav {
  display: flex;
  gap: 3.5rem;
}

.site-footer-col-title {
  font-family: var(--font-accent);
  font-size: 0.56rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-dim);
  font-weight: 400;
  margin-bottom: 1rem;
}

.site-footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.site-footer-col a {
  font-size: 0.88rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.site-footer-col a:hover { color: #fff; }

.site-footer.section--light .site-footer-col a:hover { color: #111; }

.site-footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 1rem var(--space-inline);
  font-family: var(--font-accent);
  font-size: 0.58rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* ─── Responsive ──────────────────────────────────── */
@media (max-width: 900px) {
  .capabilities-head { grid-template-columns: 1fr; gap: 1.25rem; }
  .capabilities-grid { grid-template-columns: 1fr; }
  .capability-card { min-height: 0; padding: 1.75rem 0; }
  .capability-card + .capability-card { padding-left: 0; border-left: none; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(3) { border-left: none; }
  .stat:nth-child(3), .stat:nth-child(4) { border-top: 1px solid var(--border); }
}

@media (max-width: 768px) {
  .site-footer-top {
    flex-direction: column;
    padding: 2.5rem 1.5rem 2rem;
  }
  .site-footer-brand { max-width: 100%; }
  .site-footer-nav { gap: 2rem; flex-wrap: wrap; }
  .site-footer-bottom { padding: 1rem 1.5rem; }
}

@media (max-width: 640px) {
  .global-nav { padding: 0 1.25rem; }

  .nav-toggle { display: flex; }

  .global-nav-links {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 100vh;
    height: 100dvh;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    padding: calc(3.25rem + 1rem) 1.5rem 1.5rem;
    background: var(--bg-raised);
    border-top: 1px solid var(--border);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    visibility: hidden;
    overflow-y: auto;
  }

  .global-nav-links.is-open {
    transform: translateX(0);
    visibility: visible;
  }

  .global-nav-link {
    width: 100%;
    height: auto;
    padding: 1.1rem 0;
    font-size: 0.95rem;
    letter-spacing: 0.12em;
    color: var(--text);
    border-bottom: 1px solid var(--border);
  }

  .global-nav-link.is-active {
    color: var(--accent);
    background: none;
  }

  body.nav-open { overflow: hidden; }

  .hero-content { padding: 0 1.5rem 0 1.5rem; }
  .hero-title { font-size: clamp(1.5rem, 7vw, 2.25rem); white-space: normal; }
  .hero-footer { padding: 0 1.5rem 2rem; }
  .hero-logo { height: 72px; }

  .brand-statement { padding: 3rem 1.5rem; gap: 2rem; }
  .brand-statement-top { grid-template-columns: 1fr; gap: 1.25rem; }
  .brand-statement-name { font-size: clamp(2.2rem, 11vw, 4rem); }

  .products-header {
    padding: 3.5rem 1rem 1rem;
  }

  .products-sticky {
    --collapsed-h: 4.5rem;
    --thumb-size: 3.25rem;
  }
  .product-row { padding: 0 1rem; gap: 0.85rem; }
  .product-name { font-size: 0.95rem; }
  .product-extra-inner { padding: 0.25rem 1rem 1.25rem 1rem; }

  .capabilities,
  .updates { padding: 3rem 1.5rem; }
  .mission { padding: 4rem 1.5rem; }
  .stats { grid-template-columns: 1fr 1fr; }
  .update-row { grid-template-columns: 1fr; gap: 0.5rem; }
  .update-links { padding-top: 0; }
  .cta-contact { flex-direction: column; gap: 0.4rem; }
  .cta-contact span { display: none; }
}

/* ─── Subpages (About + Products) ─────────────────── */
.subpage {
  padding-top: 3.25rem;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  min-height: 100dvh;
}

.subpage-hero,
.product-page-hero {
  padding: var(--space-section) var(--space-inline) 2.5rem;
  border-bottom: 1px solid var(--border);
}

.subpage-label {
  font-family: var(--font-accent);
  font-size: 0.58rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.85rem;
}

.subpage-title {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 7vw, 5rem);
  font-weight: 400;
  color: #fff;
  text-transform: uppercase;
  line-height: 0.95;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.subpage-lead {
  font-size: clamp(0.95rem, 1.15vw, 1.08rem);
  line-height: 1.75;
  color: var(--text-muted);
  max-width: 38rem;
}

.subpage-body {
  padding: 2.5rem var(--space-inline) var(--space-section);
}

.subpage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.subpage-block-title {
  font-family: var(--font-accent);
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
  font-weight: 400;
  margin-bottom: 0.85rem;
}

.subpage-block p {
  font-size: clamp(0.92rem, 1.05vw, 1rem);
  line-height: 1.75;
  color: var(--text-muted);
}

.subpage-block a {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.subpage-meta {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  font-family: var(--font-accent);
  font-size: 0.58rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 2rem;
}

.subpage-actions {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.subpage-back {
  font-family: var(--font-accent);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.subpage-back:hover { color: #fff; }



/* ─── Optional light accent strip ─────────────────── */
.section--light {
  background: var(--bg-light);
  color: #111;
  --text-muted: rgba(0, 0, 0, 0.55);
  --text-dim: rgba(0, 0, 0, 0.38);
  --border: rgba(0, 0, 0, 0.1);
  --border-strong: rgba(0, 0, 0, 0.22);
}

.section--light .brand-statement-name,
.section--light .cta-heading,
.section--light .subpage-title,
.section--light .products-header-title,
.section--light .product-name {
  color: #0a0a0a;
}

.section--light .subpage-label,
.section--light .product-page-subtitle,
.section--light .product-page-tags-line,
.section--light .product-page-stage,
.section--light .product-page-badge {
  color: rgba(0, 0, 0, 0.45);
}

.section--light .subpage-lead {
  color: rgba(0, 0, 0, 0.58);
}

.section--light .product-page-stage span {
  color: rgba(0, 0, 0, 0.32);
}

.section--light .brand-statement-desc,
.section--light .brand-statement-bottom,
.section--light p {
  color: rgba(0, 0, 0, 0.58);
}

.section--light .brand-statement-bottom {
  color: rgba(0, 0, 0, 0.4);
}

.section--light .cta-btn {
  color: #111;
  border-color: rgba(0, 0, 0, 0.28);
}
.section--light .cta-btn:hover {
  background: rgba(0, 0, 0, 0.05);
  border-color: rgba(0, 0, 0, 0.5);
}

.section--light .cta-learn {
  color: rgba(0, 0, 0, 0.48);
}
.section--light .cta-learn:hover {
  color: #111;
}

/* ─── Systems landing (/systems) ──────────────────── */
.systems-intro {
  padding: 2.5rem var(--space-inline) 0;
  max-width: 44rem;
}
.systems-intro p {
  font-size: clamp(0.95rem, 1.15vw, 1.08rem);
  line-height: 1.75;
  color: var(--text-muted);
}

.systems-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  padding: 2.5rem var(--space-inline) var(--space-section);
}

.system-entry {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.system-entry:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
}

.system-entry-media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #0d0d0d;
}
.system-entry-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}
.system-entry:hover .system-entry-media img { transform: scale(1.04); }

.system-entry-body {
  padding: 1.5rem 1.5rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  flex: 1;
}

.system-entry-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-accent);
  font-size: 0.58rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.system-entry-tag { color: var(--accent); }

.system-entry-name {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 400;
  color: #fff;
  text-transform: uppercase;
  line-height: 0.95;
  letter-spacing: -0.02em;
}

.system-entry-sub {
  font-family: var(--font-accent);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.system-entry-desc {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--text-muted);
}

.system-entry-cta {
  margin-top: auto;
  padding-top: 0.85rem;
  font-family: var(--font-accent);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: gap 0.2s;
}
.system-entry:hover .system-entry-cta { gap: 0.75rem; }
.system-entry-cta span { color: var(--accent); }

/* ─── About sections (/about) ─────────────────────── */
.about-statements {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem 3.5rem;
  padding: 0 0 2.5rem;
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--border);
}
.about-statement-title {
  font-family: var(--font-accent);
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.85rem;
}
.about-statement p {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2vw, 1.6rem);
  font-weight: 400;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: #fff;
}

.about-section-head {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.5vw, 2.4rem);
  font-weight: 400;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  line-height: 0.95;
  margin-bottom: 1.5rem;
}

.about-background {
  max-width: 42rem;
  margin-bottom: 3.5rem;
}
.about-background p {
  font-size: clamp(0.95rem, 1.1vw, 1.05rem);
  line-height: 1.8;
  color: var(--text-muted);
  margin-bottom: 1rem;
}
.about-background p:last-child { margin-bottom: 0; }

.about-values { margin-bottom: 3.5rem; }
.about-values-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--border);
}
.about-value {
  padding: 1.75rem 1.75rem 1.75rem 0;
  border-bottom: 1px solid var(--border);
}
.about-value:nth-child(even) {
  padding-left: 1.75rem;
  border-left: 1px solid var(--border);
}
.about-value-num {
  font-family: var(--font-accent);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.about-value h3 {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.2vw, 1.6rem);
  font-weight: 400;
  color: #fff;
  letter-spacing: -0.01em;
  line-height: 1.1;
  margin: 0.85rem 0 0.7rem;
}
.about-value p {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--text-muted);
}

.about-roadmap { margin-bottom: 3.5rem; }
.about-roadmap-list {
  list-style: none;
  border-top: 1px solid var(--border);
}
.about-roadmap-row {
  display: grid;
  grid-template-columns: 3rem 9rem 1fr auto;
  align-items: baseline;
  gap: 1.5rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
}
.about-roadmap-num {
  font-family: var(--font-accent);
  font-size: 0.62rem;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}
.about-roadmap-stage {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-weight: 400;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}
.about-roadmap-desc {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--text-muted);
}
.about-roadmap-status {
  font-family: var(--font-accent);
  font-size: 0.58rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
  white-space: nowrap;
}
.about-roadmap-row[data-status="done"] .about-roadmap-status { color: var(--accent); }
.about-roadmap-row[data-status="active"] .about-roadmap-status { color: var(--accent); }
.about-roadmap-row[data-status="planned"] .about-roadmap-status { color: var(--text-muted); }

/* ─── Contact page (/contact) ─────────────────────── */
.contact-body {
  padding: 2.5rem var(--space-inline) var(--space-section);
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.contact-form-embed {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  background: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}
.contact-form-embed iframe {
  border: none;
  width: 100%;
}
.contact-field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.contact-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.contact-field label {
  font-family: var(--font-accent);
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.contact-field label .req { color: var(--accent); margin-left: 0.2rem; }

.contact-field input,
.contact-field select,
.contact-field textarea {
  width: 100%;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.8rem 0.9rem;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.92rem;
  line-height: 1.5;
  transition: border-color 0.2s;
}
.contact-field input::placeholder,
.contact-field textarea::placeholder { color: var(--text-dim); }
.contact-field input:focus,
.contact-field select:focus,
.contact-field textarea:focus {
  outline: none;
  border-color: var(--border-strong);
}
.contact-field textarea { resize: vertical; min-height: 9rem; }
.contact-field select { appearance: none; cursor: pointer; }

.contact-submit {
  align-self: flex-start;
  margin-top: 0.5rem;
  padding: 0.85rem 2.25rem;
  border: 1px solid var(--border-strong);
  background: transparent;
  color: #fff;
  font-family: var(--font-accent);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}
.contact-submit:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.45);
}

.contact-note {
  font-family: var(--font-accent);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  line-height: 1.7;
  color: var(--text-dim);
  margin-top: 0.5rem;
}

.contact-status {
  font-family: var(--font-accent);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  line-height: 1.6;
  color: var(--text-dim);
  margin-top: 0.75rem;
  min-height: 1em;
}

.contact-status.is-error {
  color: #ff6b6b;
}

.contact-aside {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding-top: 0.5rem;
}
.contact-aside-block-title {
  font-family: var(--font-accent);
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.75rem;
}
.contact-aside-block a {
  color: #fff;
  text-decoration: none;
  font-size: 1rem;
  border-bottom: 1px solid var(--border-strong);
  padding-bottom: 2px;
  transition: color 0.2s, border-color 0.2s;
}
.contact-aside-block a:hover { border-color: var(--accent); }
.contact-aside-block p {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--text-muted);
}

@media (max-width: 900px) {
  .systems-grid { grid-template-columns: 1fr; }
  .about-statements { grid-template-columns: 1fr; gap: 2rem; }
  .about-values-grid { grid-template-columns: 1fr; }
  .about-value:nth-child(even) { padding-left: 0; border-left: none; }
  .about-roadmap-row { grid-template-columns: 2.5rem 1fr; gap: 0.5rem 1rem; }
  .about-roadmap-desc { grid-column: 2; }
  .about-roadmap-status { grid-column: 2; }
  .contact-body { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .systems-intro { padding: 2rem 1.5rem 0; }
  .systems-grid { padding: 2rem 1.5rem 3rem; }
  .contact-row { grid-template-columns: 1fr; }
}