:root {
  --bg: #0f172a;
  --bg-soft: #111827;
  --panel: rgba(255, 255, 255, 0.075);
  --panel-strong: rgba(255, 255, 255, 0.12);
  --line: rgba(255, 255, 255, 0.16);
  --text: #f8fafc;
  --muted: #cbd5e1;
  --muted-2: #94a3b8;
  --ink: #111827;
  --paper: #f8fafc;
  --paper-soft: #e2e8f0;
  --accent: #d8b76e;
  --accent-2: #f5d98f;
  --ok: #34d399;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.36);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --container: 1160px;
  --header: 76px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 10%, rgba(216, 183, 110, 0.16), transparent 34rem),
    radial-gradient(circle at 90% 4%, rgba(148, 163, 184, 0.16), transparent 28rem),
    linear-gradient(180deg, #0b1020 0%, #111827 45%, #0f172a 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.72), transparent 78%);
  z-index: -1;
}

img, svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button, input, textarea {
  font: inherit;
}

.skip-link,
.sr-only,
.hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link:focus {
  z-index: 9999;
  width: auto;
  height: auto;
  margin: 1rem;
  padding: 0.75rem 1rem;
  clip: auto;
  color: var(--ink);
  background: var(--accent-2);
  border-radius: var(--radius-sm);
}

.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

.section-pad {
  padding: 7rem 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 16, 32, 0.72);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-wrap {
  min-height: var(--header);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 2.65rem;
  height: 2.65rem;
  display: grid;
  place-items: center;
  border: 1px solid rgba(216, 183, 110, 0.55);
  border-radius: 50%;
  color: var(--accent-2);
  background: linear-gradient(145deg, rgba(216, 183, 110, 0.14), rgba(255,255,255,0.06));
  box-shadow: inset 0 0 18px rgba(216,183,110,0.16);
  font-weight: 700;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.05;
}

.brand strong {
  font-size: 1.05rem;
}

.brand small {
  margin-top: 0.16rem;
  color: var(--muted-2);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.primary-nav a {
  transition: color 180ms ease;
}

.primary-nav a:hover,
.primary-nav a:focus-visible {
  color: var(--text);
}

.nav-toggle {
  display: none;
  width: 2.75rem;
  height: 2.75rem;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  flex-direction: column;
  color: var(--text);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 50%;
}

.nav-toggle span:not(.sr-only) {
  width: 1.05rem;
  height: 2px;
  background: currentColor;
  border-radius: 99px;
}

.hero {
  min-height: calc(100vh - var(--header));
  display: grid;
  align-items: center;
  padding-top: 5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.72fr);
  align-items: center;
  gap: 4rem;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent-2);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1, h2, h3, p {
  margin-top: 0;
}

h1,
h2 {
  max-width: 12ch;
  font-size: clamp(3.2rem, 7vw, 6.8rem);
  line-height: 0.94;
  letter-spacing: -0.075em;
}

h2 {
  max-width: 13ch;
  font-size: clamp(2.45rem, 4.8vw, 4.85rem);
}

h3 {
  font-size: 1.28rem;
  line-height: 1.2;
  letter-spacing: -0.03em;
}

.hero-text {
  max-width: 42rem;
  color: var(--muted);
  font-size: clamp(1.08rem, 1.6vw, 1.32rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin: 2rem 0 1.2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.85rem 1.15rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
  cursor: pointer;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  color: #171717;
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  box-shadow: 0 12px 32px rgba(216, 183, 110, 0.24);
}

.button-secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--line);
}

.button-secondary:hover {
  border-color: rgba(216, 183, 110, 0.45);
}

.microcopy {
  max-width: 34rem;
  color: var(--muted-2);
  font-size: 0.94rem;
}

.control-card,
.feature-card,
.architecture-card,
.pilot-card,
.proof-card,
.contact-form,
.thank-you-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(255,255,255,0.11), rgba(255,255,255,0.055));
  box-shadow: var(--shadow);
}

.control-card {
  position: relative;
  overflow: hidden;
  padding: 1.25rem;
}

.control-card::before {
  content: "";
  position: absolute;
  inset: -45% auto auto -45%;
  width: 16rem;
  height: 16rem;
  background: rgba(216,183,110,0.22);
  filter: blur(50px);
}

.control-card-top {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.25rem;
  color: var(--muted);
}

.status-dot {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 6px rgba(52, 211, 153, 0.14);
}

.metric-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
}

.metric-grid div {
  min-height: 6.4rem;
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  background: rgba(15, 23, 42, 0.58);
}

.metric-grid span,
.metric-grid strong {
  display: block;
}

.metric-grid span {
  color: var(--muted-2);
  font-size: 0.82rem;
}

.metric-grid strong {
  margin-top: 1.15rem;
  font-size: 1.16rem;
  line-height: 1.1;
}

.timeline {
  position: relative;
  display: grid;
  gap: 0.7rem;
  margin-top: 1rem;
}

.timeline div {
  display: grid;
  grid-template-columns: 4.2rem 1fr;
  gap: 0.8rem;
  padding: 0.75rem 0.85rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.055);
}

.timeline b {
  color: var(--accent-2);
  font-size: 0.85rem;
}

.timeline span {
  color: var(--muted);
  font-size: 0.88rem;
}

.logo-strip {
  padding: 1rem 0;
  border-block: 1px solid rgba(255, 255, 255, 0.09);
  background: rgba(255, 255, 255, 0.035);
}

.strip-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
  color: var(--muted-2);
  font-size: 0.83rem;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.two-col,
.architecture-grid,
.contact-grid {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 4rem;
  align-items: start;
}

.section-heading.narrow {
  max-width: 760px;
  margin-bottom: 3rem;
}

.section-heading.narrow h2 {
  max-width: 15ch;
}

.section-heading.narrow p:not(.eyebrow),
.prose p,
.panel-copy p,
.architecture-card p,
.pilot-card p,
.proof-card p,
.contact-copy p,
.footer-grid p,
.thank-you-card p {
  color: var(--muted);
}

.prose {
  font-size: 1.08rem;
}

.system-section,
.proof-section {
  background: rgba(255, 255, 255, 0.025);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.feature-card,
.proof-card {
  padding: 1.2rem;
  box-shadow: none;
}

.feature-card p,
.proof-card p {
  margin-bottom: 0;
}

.card-number {
  display: inline-flex;
  margin-bottom: 1.6rem;
  color: var(--accent-2);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.split-panel {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 4rem;
  align-items: center;
  padding: 3rem;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius-lg) + 10px);
  background: rgba(255, 255, 255, 0.055);
}

.use-case-list {
  display: grid;
  gap: 0.8rem;
}

.use-case-list div {
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: var(--radius-md);
  background: rgba(15, 23, 42, 0.42);
}

.use-case-list strong,
.use-case-list span {
  display: block;
}

.use-case-list strong {
  margin-bottom: 0.2rem;
}

.use-case-list span {
  color: var(--muted);
}

.architecture-card {
  padding: 2rem;
}

.architecture-card h2 {
  max-width: 12ch;
}

.layer-stack {
  display: grid;
  gap: 0.9rem;
}

.layer-stack div {
  padding: 1.05rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.06);
}

.layer-stack span,
.layer-stack strong,
.layer-stack small {
  display: block;
}

.layer-stack span {
  color: var(--accent-2);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.layer-stack strong {
  margin: 0.2rem 0;
  font-size: 1.25rem;
}

.layer-stack small {
  color: var(--muted-2);
}

.pilot-card {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3rem;
  padding: 2rem;
}

.pilot-card h2 {
  max-width: 10ch;
}

.pilot-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.pilot-list span {
  padding: 0.9rem 1rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.07);
  color: var(--muted);
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.contact-grid {
  align-items: center;
}

.disclaimer,
.form-note {
  color: var(--muted-2) !important;
  font-size: 0.9rem;
}

.contact-form {
  display: grid;
  gap: 1rem;
  padding: 1.25rem;
}

.contact-form label {
  display: grid;
  gap: 0.35rem;
  color: var(--muted);
  font-weight: 700;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  color: var(--text);
  background: rgba(15, 23, 42, 0.62);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.85rem 0.95rem;
  outline: none;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: rgba(216, 183, 110, 0.7);
  box-shadow: 0 0 0 4px rgba(216, 183, 110, 0.14);
}

.contact-form textarea {
  resize: vertical;
}

.site-footer {
  padding: 3rem 0 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  background: rgba(0, 0, 0, 0.16);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 0.7fr;
  gap: 2rem;
}

.footer-grid a:not(.brand) {
  display: block;
  color: var(--muted);
  margin-top: 0.35rem;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  color: var(--muted-2);
  font-size: 0.88rem;
}

.thank-you-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.thank-you-card {
  max-width: 680px;
  padding: 2rem;
}

.thank-you-card h1 {
  margin-top: 2rem;
  font-size: clamp(2.8rem, 6vw, 5rem);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 700ms ease, transform 700ms ease;
}

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

.delay-1 { transition-delay: 110ms; }
.delay-2 { transition-delay: 220ms; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 920px) {
  .nav-toggle {
    display: inline-flex;
  }

  .primary-nav {
    position: fixed;
    inset: var(--header) 1rem auto 1rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: rgba(15, 23, 42, 0.96);
    box-shadow: var(--shadow);
  }

  .primary-nav.is-open {
    display: flex;
  }

  .primary-nav a {
    padding: 0.75rem;
  }

  .hero-grid,
  .two-col,
  .split-panel,
  .architecture-grid,
  .pilot-card,
  .contact-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 0;
  }

  h1,
  h2 {
    max-width: 100%;
  }

  .feature-grid,
  .proof-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .strip-grid {
    grid-template-columns: repeat(2, 1fr);
    text-align: left;
  }

  .split-panel,
  .pilot-card {
    padding: 1.25rem;
  }
}

@media (max-width: 640px) {
  .section-pad {
    padding: 4.6rem 0;
  }

  .hero-grid,
  .two-col,
  .split-panel,
  .architecture-grid,
  .pilot-card,
  .contact-grid {
    gap: 2rem;
  }

  h1 {
    font-size: clamp(2.9rem, 17vw, 4.1rem);
  }

  h2 {
    font-size: clamp(2.25rem, 12vw, 3.4rem);
  }

  .metric-grid,
  .feature-grid,
  .pilot-list,
  .proof-grid,
  .strip-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
  }
}

/* Visual upgrade pack */
.hero-visual {
  position: relative;
  display: grid;
  gap: 0;
}

.hero-property-image {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius-lg) + 8px);
  box-shadow: var(--shadow);
  background: rgba(255, 255, 255, 0.05);
}

.hero-visual .control-card {
  width: min(92%, 30rem);
  margin: -5.4rem 1.1rem 0 auto;
  backdrop-filter: blur(18px);
}

.visual-loop-section {
  background: linear-gradient(180deg, rgba(255,255,255,0.018), rgba(255,255,255,0.045));
}

.visual-loop-grid {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 3rem;
  align-items: center;
}

.diagram-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius-lg) + 8px);
  background: rgba(255, 255, 255, 0.045);
  box-shadow: var(--shadow);
}

.visual-proof-section {
  background: rgba(255, 255, 255, 0.02);
}

.visual-proof-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.visual-card {
  overflow: hidden;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(255,255,255,0.1), rgba(255,255,255,0.04));
  box-shadow: var(--shadow);
}

.visual-card img {
  width: 100%;
  min-height: 240px;
  object-fit: cover;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  background: rgba(15, 23, 42, 0.56);
}

.visual-card h3 {
  margin: 1rem 0 0.45rem;
}

.visual-card p {
  margin-bottom: 0;
  color: var(--muted);
}

@media (max-width: 920px) {
  .visual-loop-grid,
  .visual-proof-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual .control-card {
    width: 100%;
    margin: 1rem 0 0;
  }
}