:root {
  color-scheme: dark;
  --bg: #071013;
  --bg-deep: #03080a;
  --panel: rgba(10, 25, 29, 0.76);
  --panel-strong: rgba(13, 35, 41, 0.92);
  --text: #ecfffb;
  --muted: #9fbdb8;
  --line: rgba(86, 255, 223, 0.22);
  --line-strong: rgba(86, 255, 223, 0.42);
  --cyan: #56ffdf;
  --blue: #5aa7ff;
  --green: #34d399;
  --amber: #f8d66d;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.35);
  font-family:
    Inter, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial,
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 22% 8%, rgba(86, 255, 223, 0.18), transparent 30rem),
    radial-gradient(circle at 86% 14%, rgba(90, 167, 255, 0.18), transparent 26rem),
    linear-gradient(180deg, #071013 0%, #08161a 52%, #03080a 100%);
  color: var(--text);
  line-height: 1.6;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(86, 255, 223, 0.07) 1px, transparent 1px),
    linear-gradient(rgba(86, 255, 223, 0.055) 1px, transparent 1px);
  background-size: 4.5rem 4.5rem;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.82), transparent 78%);
}

.background-grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

.background-grid::before,
.background-grid::after {
  content: "";
  position: absolute;
  width: 42rem;
  height: 42rem;
  border-radius: 50%;
  filter: blur(26px);
  opacity: 0.28;
}

.background-grid::before {
  top: -18rem;
  right: -8rem;
  background: conic-gradient(from 120deg, transparent, var(--blue), transparent, var(--cyan));
}

.background-grid::after {
  bottom: 8rem;
  left: -20rem;
  background: conic-gradient(from 40deg, transparent, var(--green), transparent, var(--cyan));
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem clamp(1rem, 4vw, 3rem);
  border-bottom: 1px solid rgba(86, 255, 223, 0.16);
  background: rgba(3, 8, 10, 0.76);
  backdrop-filter: blur(18px);
}

.brand,
.site-nav,
.hero-actions,
.panel-header,
.platform-link {
  display: flex;
  align-items: center;
}

.brand {
  min-width: 0;
  gap: 0.75rem;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  flex: 0 0 auto;
  width: 2.45rem;
  height: 2.45rem;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(86, 255, 223, 0.22), rgba(90, 167, 255, 0.12)),
    rgba(10, 25, 29, 0.95);
  color: var(--cyan);
  box-shadow: 0 0 24px rgba(86, 255, 223, 0.22);
  font-size: 0.86rem;
}

.site-nav {
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.35rem;
  color: var(--muted);
  font-size: 0.94rem;
}

.site-nav a {
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 0.45rem 0.75rem;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  border-color: var(--line);
  background: rgba(86, 255, 223, 0.08);
  color: var(--text);
  outline: none;
}

.section-shell {
  width: min(1160px, calc(100% - 2rem));
  margin-inline: auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.24fr) minmax(19rem, 0.76fr);
  gap: clamp(1.5rem, 5vw, 4rem);
  align-items: center;
  min-height: 76vh;
  padding: clamp(3.5rem, 8vw, 6.5rem) 0;
}

.eyebrow {
  margin: 0 0 0.8rem;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.08;
  letter-spacing: 0;
}

h1 {
  display: grid;
  gap: 0.08em;
  max-width: 11em;
  font-size: clamp(2.35rem, 5.15vw, 4.85rem);
  text-shadow: 0 0 34px rgba(86, 255, 223, 0.14);
}

h1 span {
  display: block;
  white-space: nowrap;
}

h2 {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
}

h3 {
  font-size: 1.1rem;
}

.hero-text {
  max-width: 44rem;
  margin: 1.35rem 0 0;
  color: var(--muted);
  font-size: clamp(1.02rem, 2vw, 1.2rem);
}

.hero-actions {
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.95rem;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 0.78rem 1rem;
  font-weight: 800;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    border-color 160ms ease,
    background 160ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
  outline: none;
}

.button.primary {
  border-color: rgba(86, 255, 223, 0.46);
  background: linear-gradient(135deg, #31d9c1, #2c7dff);
  color: #041012;
  box-shadow: 0 0 34px rgba(86, 255, 223, 0.24);
}

.button.secondary {
  border-color: var(--line);
  background: rgba(10, 25, 29, 0.52);
  color: var(--text);
}

.button.primary:hover,
.button.primary:focus-visible,
.button.secondary:hover,
.button.secondary:focus-visible {
  box-shadow: 0 0 40px rgba(86, 255, 223, 0.28);
}

.command-panel,
.capability-card,
.platform-section,
.filing-box {
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(86, 255, 223, 0.08), transparent 42%),
    var(--panel);
  box-shadow: var(--shadow);
}

.command-panel {
  position: relative;
  overflow: hidden;
  padding: 1.25rem;
}

.command-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, transparent, rgba(86, 255, 223, 0.12), transparent),
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 100% 100%, 100% 2.4rem;
}

.panel-header {
  position: relative;
  gap: 0.55rem;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.live-dot {
  width: 0.72rem;
  height: 0.72rem;
  border-radius: 999px;
  background: var(--green);
  box-shadow: 0 0 0 6px rgba(52, 211, 153, 0.14), 0 0 24px rgba(52, 211, 153, 0.75);
}

.meter {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-top: 1.3rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 1rem;
}

.meter span {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.meter strong {
  color: var(--text);
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 1;
}

.signal-stack {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.65rem;
  height: 8.5rem;
  margin-top: 1rem;
  align-items: end;
}

.signal-stack span {
  min-width: 0;
  height: var(--level);
  border: 1px solid rgba(86, 255, 223, 0.36);
  border-radius: 8px 8px 0 0;
  background: linear-gradient(180deg, rgba(86, 255, 223, 0.78), rgba(90, 167, 255, 0.18));
  box-shadow: 0 0 22px rgba(86, 255, 223, 0.2);
}

.status-list {
  position: relative;
  display: grid;
  gap: 0.85rem;
  margin: 1.2rem 0 0;
}

.status-list div {
  border-top: 1px solid rgba(86, 255, 223, 0.14);
  padding-top: 0.85rem;
}

.status-list dt {
  color: var(--muted);
  font-size: 0.84rem;
}

.status-list dd {
  margin: 0.15rem 0 0;
  color: var(--text);
  font-weight: 800;
}

.platform-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(17rem, 25rem);
  gap: 1.25rem;
  align-items: center;
  margin-bottom: clamp(2.5rem, 6vw, 4rem);
  padding: clamp(1.3rem, 4vw, 2rem);
}

.platform-copy p:last-child {
  margin: 0.9rem 0 0;
  color: var(--muted);
}

.platform-link {
  justify-content: space-between;
  gap: 1rem;
  min-height: 5.75rem;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  padding: 1rem;
  background: rgba(86, 255, 223, 0.08);
}

.platform-link span {
  color: var(--cyan);
  font-weight: 900;
}

.platform-link strong {
  color: var(--text);
  font-size: 0.94rem;
}

.section-block {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0 clamp(3.5rem, 8vw, 6rem);
}

.section-heading {
  max-width: 44rem;
  margin-bottom: 1.5rem;
}

.section-heading p:last-child {
  margin: 0.85rem 0 0;
  color: var(--muted);
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.capability-card {
  min-height: 14rem;
  padding: 1.15rem;
}

.card-index {
  display: inline-block;
  margin-bottom: 2.25rem;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 900;
}

.capability-card h3 {
  color: var(--text);
}

.capability-card p {
  margin: 0.75rem 0 0;
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid rgba(86, 255, 223, 0.16);
  background: rgba(3, 8, 10, 0.92);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 2rem 0;
}

.footer-inner h2 {
  font-size: 1.1rem;
}

.footer-inner p {
  margin: 0.35rem 0 0;
  color: var(--muted);
}

.filing-box {
  display: grid;
  gap: 0.35rem;
  min-width: min(100%, 19rem);
  padding: 1rem;
  color: var(--muted);
  box-shadow: none;
}

.filing-box a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.mps-filing-icon {
  width: 1rem;
  height: 1.1rem;
  flex: 0 0 auto;
  object-fit: contain;
}

@media (max-width: 900px) {
  .site-header,
  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .hero,
  .platform-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

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

@media (max-width: 560px) {
  .site-header {
    position: static;
  }

  .brand {
    align-items: flex-start;
  }

  .capability-grid {
    grid-template-columns: 1fr;
  }

  .button,
  .hero-actions {
    width: 100%;
  }

  h1 {
    font-size: clamp(2.15rem, 13vw, 3.2rem);
  }

  h1 span {
    white-space: normal;
  }

  .platform-link {
    align-items: flex-start;
    flex-direction: column;
  }
}