:root {
  --ink: #102033;
  --muted: #5c6b78;
  --brand: #303e9f;
  --brand-dark: #10226b;
  --accent: #1fb1ed;
  --teal: #0f746f;
  --gold: #b88b2e;
  --line: #d9e1ea;
  --soft: #f4f8fb;
  --white: #ffffff;
  --shadow: 0 20px 50px rgba(18, 39, 67, 0.12);
  --radius: 8px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  line-height: 1.6;
}

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

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

p {
  margin: 0;
  color: var(--muted);
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.12;
  letter-spacing: 0;
}

h1 {
  max-width: 820px;
  color: var(--white);
  font-size: clamp(2.3rem, 4.8vw, 4.85rem);
  font-weight: 760;
}

h2 {
  font-size: clamp(2rem, 3.2vw, 3.15rem);
  font-weight: 720;
}

h3 {
  font-size: 1.08rem;
  font-weight: 700;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 100;
  padding: 0.65rem 0.9rem;
  background: var(--white);
  color: var(--brand-dark);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid rgba(217, 225, 234, 0.92);
  backdrop-filter: blur(14px);
}

.prototype-strip {
  padding: 0.45rem 1rem;
  color: var(--white);
  background: var(--brand-dark);
  font-size: 0.78rem;
  text-align: center;
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  max-width: var(--max);
  min-height: 76px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  color: var(--white);
  background: var(--brand);
  border-radius: 6px;
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 1rem;
}

.brand small {
  color: var(--muted);
  font-size: 0.75rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.45rem;
  color: var(--ink);
  font-size: 0.91rem;
  font-weight: 650;
}

.nav-links a {
  padding: 0.35rem 0;
  border-bottom: 2px solid transparent;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--brand);
  border-bottom-color: var(--accent);
}

.nav-toggle,
.nav-toggle-label {
  display: none;
}

.hero {
  position: relative;
  display: grid;
  align-items: center;
  min-height: calc(82vh - 116px);
  overflow: hidden;
  background: #0f1d33;
}

.hero-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.76;
}

.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(10, 25, 48, 0.88) 0%, rgba(10, 25, 48, 0.7) 43%, rgba(10, 25, 48, 0.22) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--max);
  width: 100%;
  margin: 0 auto;
  padding: 5.7rem 1.5rem 6.2rem;
}

.eyebrow,
.section-kicker {
  margin-bottom: 1rem;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-copy {
  max-width: 680px;
  margin-top: 1.25rem;
  color: rgba(255, 255, 255, 0.88);
  font-size: 1.14rem;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.78rem 1.05rem;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 780;
  cursor: pointer;
}

.button.primary {
  color: var(--white);
  background: var(--brand);
}

.button.primary:hover,
.button.primary:focus-visible {
  background: var(--brand-dark);
}

.button.secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.62);
  background: rgba(255, 255, 255, 0.08);
}

.button.secondary:hover,
.button.secondary:focus-visible {
  background: rgba(255, 255, 255, 0.16);
}

.signal-band {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  max-width: var(--max);
  margin: -3.2rem auto 0;
  position: relative;
  z-index: 2;
  background: var(--white);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.signal {
  min-height: 130px;
  padding: 1.35rem;
  border-right: 1px solid var(--line);
}

.signal:last-child {
  border-right: 0;
}

.signal span,
.signal small {
  display: block;
}

.signal span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 780;
  text-transform: uppercase;
}

.signal strong {
  display: block;
  margin-top: 0.35rem;
  color: var(--ink);
  font-size: 1.45rem;
  line-height: 1.15;
}

.signal small {
  margin-top: 0.45rem;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.35;
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 5.8rem 1.5rem;
}

.intro-section {
  padding-top: 7.8rem;
}

.section-grid {
  display: grid;
  gap: 3.2rem;
}

.two-col {
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
}

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

.section-grid p,
.section-heading p {
  font-size: 1rem;
}

.review-note,
.legal-note,
.asset-warning {
  margin-top: 1.1rem;
  padding-left: 0.85rem;
  color: #445d72;
  border-left: 3px solid var(--gold);
  font-size: 0.91rem;
}

.system-section {
  max-width: none;
  background: var(--soft);
}

.system-section > .section-kicker,
.system-section > .section-grid {
  max-width: var(--max);
  margin-left: auto;
  margin-right: auto;
}

.component-list {
  display: grid;
  gap: 0.8rem;
  margin-top: 1.75rem;
}

.component-list div {
  padding: 1rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

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

.component-list span {
  margin-top: 0.22rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.visual-panel {
  padding: 1rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 16px 36px rgba(32, 49, 72, 0.1);
}

.visual-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 0.85rem;
}

.visual-grid figure {
  display: grid;
  align-items: center;
  min-height: 270px;
  margin: 0;
  padding: 1rem;
  background: #f8fbfd;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.visual-grid img {
  width: 100%;
  max-height: 220px;
  margin: auto;
  object-fit: contain;
}

figcaption {
  margin-top: 0.8rem;
  color: var(--muted);
  font-size: 0.78rem;
  text-align: center;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.62fr);
  gap: 2rem;
  align-items: end;
  margin-bottom: 2rem;
}

.card-grid {
  display: grid;
  gap: 1rem;
}

.card-grid.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.info-card,
.scenario-card {
  min-height: 220px;
  padding: 1.3rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.info-card {
  border-top: 4px solid var(--accent);
}

.scenario-card {
  background: #fbfdff;
}

.info-card p,
.scenario-card p {
  margin-top: 0.8rem;
  font-size: 0.92rem;
}

.status {
  display: inline-block;
  margin-bottom: 0.95rem;
  padding: 0.25rem 0.5rem;
  color: var(--brand-dark);
  background: #eaf4fb;
  border: 1px solid #cae4f5;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
}

.workflow-section {
  max-width: none;
  background: #102033;
  color: var(--white);
}

.workflow-section > .section-kicker,
.workflow-section > h2,
.workflow-section > .timeline {
  max-width: var(--max);
  margin-left: auto;
  margin-right: auto;
}

.workflow-section h2 {
  max-width: 830px;
  color: var(--white);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1px;
  margin-top: 2.3rem;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.timeline-item {
  min-height: 230px;
  padding: 1.2rem;
  background: #162a42;
}

.timeline-item span {
  display: block;
  color: var(--accent);
  font-weight: 850;
}

.timeline-item h3 {
  margin-top: 1.4rem;
  color: var(--white);
}

.timeline-item p {
  margin-top: 0.75rem;
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.9rem;
}

.evidence-panel {
  padding: 1.4rem;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.check-list {
  display: grid;
  gap: 0.7rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 1.2rem;
  color: var(--muted);
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72rem;
  width: 7px;
  height: 7px;
  background: var(--teal);
  border-radius: 50%;
}

.markets-section {
  max-width: none;
  background: var(--soft);
}

.markets-section > .section-kicker,
.markets-section > .market-layout {
  max-width: var(--max);
  margin-left: auto;
  margin-right: auto;
}

.market-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 3rem;
  align-items: start;
}

.market-table {
  display: grid;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.market-table [role="row"] {
  display: grid;
  grid-template-columns: 0.35fr 1fr;
  border-bottom: 1px solid var(--line);
}

.market-table [role="row"]:last-child {
  border-bottom: 0;
}

.market-table span {
  padding: 1rem;
}

.market-table span:first-child {
  font-weight: 800;
  border-right: 1px solid var(--line);
}

.table-head {
  color: var(--white);
  background: var(--brand-dark);
}

.legal-note {
  grid-column: 2;
  margin-top: -1.8rem;
}

.company-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 3rem;
  align-items: center;
}

.company-visual {
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--soft);
}

.company-visual img {
  width: 100%;
  min-height: 360px;
  object-fit: cover;
}

.mini-list {
  display: grid;
  gap: 0.6rem;
  margin-top: 1.4rem;
}

.mini-list span {
  padding: 0.85rem 0;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 1fr);
  gap: 3rem;
  align-items: start;
  max-width: none;
  padding-left: max(1.5rem, calc((100vw - var(--max)) / 2 + 1.5rem));
  padding-right: max(1.5rem, calc((100vw - var(--max)) / 2 + 1.5rem));
  background: #eef5f9;
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  padding: 1.4rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 18px 44px rgba(16, 32, 51, 0.1);
}

label {
  display: grid;
  gap: 0.35rem;
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 740;
}

input,
select,
textarea {
  width: 100%;
  min-height: 44px;
  padding: 0.75rem 0.8rem;
  color: var(--ink);
  background: #fbfdff;
  border: 1px solid #cfdbe6;
  border-radius: 6px;
  font: inherit;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  outline: 3px solid rgba(31, 177, 237, 0.22);
  border-color: var(--accent);
}

.full-span {
  grid-column: 1 / -1;
}

.consent {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  color: var(--muted);
  font-weight: 500;
}

.consent input {
  width: 18px;
  min-height: 18px;
  margin-top: 0.25rem;
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1.4rem;
  max-width: var(--max);
  margin: 0 auto;
  padding: 2.3rem 1.5rem;
  border-top: 1px solid var(--line);
}

.site-footer p {
  max-width: 660px;
  margin-top: 0.4rem;
  font-size: 0.86rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  justify-content: flex-end;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--brand);
}

.footer-note {
  grid-column: 1 / -1;
  color: #6d7782;
}

@media (max-width: 980px) {
  h1 {
    font-size: 2.7rem;
  }

  .nav-toggle-label {
    display: grid;
    gap: 5px;
    width: 42px;
    height: 42px;
    place-content: center;
    border: 1px solid var(--line);
    border-radius: 6px;
  }

  .nav-toggle-label span {
    width: 20px;
    height: 2px;
    background: var(--ink);
  }

  .nav-links {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 0.8rem 1.5rem 1.1rem;
    background: var(--white);
    border-bottom: 1px solid var(--line);
  }

  .nav-links a {
    width: 100%;
    padding: 0.85rem 0;
  }

  .nav-toggle:checked ~ .nav-links {
    display: flex;
  }

  .signal-band,
  .card-grid.four,
  .timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .signal:nth-child(2) {
    border-right: 0;
  }

  .signal:nth-child(1),
  .signal:nth-child(2) {
    border-bottom: 1px solid var(--line);
  }

  .two-col,
  .section-heading,
  .market-layout,
  .company-section,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .legal-note {
    grid-column: auto;
    margin-top: 0;
  }

  .card-grid.three {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .prototype-strip {
    font-size: 0.7rem;
  }

  .brand small {
    display: none;
  }

  .hero {
    min-height: 76vh;
  }

  .hero-content {
    padding: 4.2rem 1.1rem 4.8rem;
  }

  .hero-shade {
    background: rgba(10, 25, 48, 0.76);
  }

  h1 {
    font-size: 2.25rem;
  }

  h2 {
    font-size: 1.82rem;
  }

  .hero-copy {
    font-size: 1rem;
  }

  .signal-band {
    grid-template-columns: 1fr;
    margin-top: 0;
    border-left: 0;
    border-right: 0;
    box-shadow: none;
  }

  .signal {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .section {
    padding: 4rem 1.1rem;
  }

  .intro-section {
    padding-top: 4rem;
  }

  .visual-grid,
  .card-grid.four,
  .timeline,
  .contact-form {
    grid-template-columns: 1fr;
  }

  .timeline-item {
    min-height: auto;
  }

  .market-table [role="row"] {
    grid-template-columns: 1fr;
  }

  .market-table span:first-child {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .site-footer {
    grid-template-columns: 1fr;
  }

  .footer-links {
    justify-content: flex-start;
  }
}