:root {
  --bg: #06110d;
  --bg-soft: #0a1913;
  --panel: rgba(14, 34, 26, 0.82);
  --panel-strong: #10261d;
  --line: rgba(171, 255, 214, 0.14);
  --line-strong: rgba(171, 255, 214, 0.28);
  --text: #effff7;
  --muted: #a9c6b8;
  --accent: #4ef0a7;
  --accent-strong: #89ffc5;
  --accent-deep: #0f8f5b;
  --warning: #f4d27c;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.38);
  --radius-lg: 30px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --shell: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 18% -10%, rgba(38, 155, 103, 0.25), transparent 34%),
    radial-gradient(circle at 86% 18%, rgba(32, 92, 70, 0.18), transparent 32%),
    var(--bg);
  color: var(--text);
  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;
  z-index: -1;
  pointer-events: none;
  opacity: 0.12;
  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: 44px 44px;
  mask-image: linear-gradient(to bottom, #000, transparent 78%);
}

a {
  color: inherit;
}

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

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

.shell {
  width: min(calc(100% - 40px), var(--shell));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  transform: translateY(-160%);
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--text);
  color: var(--bg);
  font-weight: 700;
  text-decoration: none;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line);
  background: rgba(6, 17, 13, 0.82);
  backdrop-filter: blur(18px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--text);
  font-size: 1.08rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.brand-mark {
  width: 34px;
  height: 34px;
}

.brand-mark svg path:first-child {
  fill: var(--accent);
}

.brand-mark .brand-cut {
  fill: var(--bg);
}

nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

nav a {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 650;
  text-decoration: none;
  transition: color 160ms ease;
}

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

.hero {
  position: relative;
  overflow: hidden;
  padding: 98px 0 86px;
}

.hero::after {
  content: "";
  position: absolute;
  right: -220px;
  bottom: -280px;
  width: 560px;
  height: 560px;
  border: 1px solid var(--line);
  border-radius: 50%;
  box-shadow: 0 0 0 70px rgba(78, 240, 167, 0.02), 0 0 0 140px rgba(78, 240, 167, 0.014);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.03fr 0.97fr;
  align-items: center;
  gap: 72px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  color: var(--accent-strong);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(78, 240, 167, 0.12);
}

.hero h1 {
  max-width: 820px;
  margin-bottom: 24px;
  font-size: clamp(3rem, 6.7vw, 5.75rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.lede {
  max-width: 690px;
  margin-bottom: 30px;
  color: var(--muted);
  font-size: clamp(1.08rem, 1.8vw, 1.32rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 760;
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

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

.button-primary {
  background: var(--accent);
  color: #04130d;
  box-shadow: 0 12px 34px rgba(78, 240, 167, 0.18);
}

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

.button-secondary {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.025);
  color: var(--text);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: rgba(137, 255, 197, 0.52);
}

.trust-line {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 0;
  padding: 0;
  color: #8aa99a;
  font-size: 0.86rem;
  list-style: none;
}

.trust-line li {
  position: relative;
  padding-left: 15px;
}

.trust-line li::before {
  content: "";
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent-deep);
}

.hero-visual {
  position: relative;
}

.visual-glow {
  position: absolute;
  inset: 10% 8% -8%;
  background: radial-gradient(circle, rgba(78, 240, 167, 0.22), transparent 62%);
  filter: blur(30px);
}

.dashboard-card {
  position: relative;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(17, 45, 34, 0.96), rgba(7, 22, 16, 0.96));
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  overflow: hidden;
}

.dashboard-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(125deg, rgba(255, 255, 255, 0.045), transparent 34%);
}

.dashboard-topline {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
}

.window-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
}

.dashboard-label {
  margin-left: auto;
  color: #7ea28f;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.67rem;
  letter-spacing: 0.12em;
}

.metric-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  padding: 20px;
}

.metric {
  min-height: 132px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.025);
}

.metric span,
.metric small {
  display: block;
  color: #769887;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
}

.metric strong {
  display: block;
  margin: 14px 0 8px;
  color: var(--accent-strong);
  font-size: 1.45rem;
}

.flow-panel {
  display: grid;
  grid-template-columns: auto 1fr auto 1fr auto;
  align-items: center;
  padding: 10px 20px 26px;
}

.flow-node {
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: #8daf9e;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.flow-node.active {
  border-color: rgba(78, 240, 167, 0.4);
  background: rgba(78, 240, 167, 0.08);
  color: var(--accent-strong);
}

.flow-line {
  height: 1px;
  background: linear-gradient(90deg, var(--line-strong), var(--line));
}

.activity-panel {
  margin: 0 20px 20px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(2, 13, 9, 0.28);
}

.activity-item {
  display: grid;
  grid-template-columns: 8px 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 11px 10px;
  border-bottom: 1px solid rgba(171, 255, 214, 0.08);
}

.activity-item:last-child {
  border-bottom: 0;
}

.activity-item > span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px rgba(78, 240, 167, 0.55);
}

.activity-item p {
  margin: 0;
  color: #b6d1c4;
  font-size: 0.76rem;
}

.activity-item b {
  color: var(--accent-strong);
  font-size: 0.68rem;
}

.section {
  padding: 112px 0;
  border-top: 1px solid var(--line);
}

.section-muted {
  background: linear-gradient(180deg, rgba(11, 27, 21, 0.74), rgba(8, 21, 16, 0.5));
}

.section-heading {
  max-width: 760px;
  margin-bottom: 50px;
}

.section-heading h2,
.security-copy h2,
.status-panel h2 {
  margin-bottom: 18px;
  font-size: clamp(2.25rem, 4.8vw, 4rem);
  line-height: 1.06;
  letter-spacing: -0.045em;
}

.section-heading > p:last-child,
.security-copy > p:last-child,
.status-panel > div:first-child > p:last-child {
  color: var(--muted);
  font-size: 1.05rem;
}

.split-heading {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  max-width: none;
  align-items: end;
  gap: 70px;
}

.split-heading p:last-child {
  margin-bottom: 6px;
}

.principle-grid,
.usecase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.principle-card,
.usecase-card {
  position: relative;
  min-height: 245px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.018);
  overflow: hidden;
}

.principle-card::after,
.usecase-card::after {
  content: "";
  position: absolute;
  right: -42px;
  bottom: -50px;
  width: 130px;
  height: 130px;
  border: 1px solid var(--line);
  border-radius: 50%;
}

.card-index {
  display: inline-flex;
  margin-bottom: 54px;
  color: var(--accent);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.78rem;
}

.principle-card h3,
.usecase-card h3,
.security-list h3 {
  margin-bottom: 10px;
  font-size: 1.35rem;
}

.principle-card p,
.usecase-card p,
.security-list p {
  margin-bottom: 0;
  color: var(--muted);
}

.usecase-grid {
  grid-template-columns: repeat(4, 1fr);
}

.usecase-card {
  min-height: 280px;
}

.usecase-icon {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  margin-bottom: 54px;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  background: rgba(78, 240, 167, 0.06);
  color: var(--accent-strong);
  font-size: 1.15rem;
  font-weight: 900;
}

.security-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 94px;
  align-items: start;
}

.security-copy {
  position: sticky;
  top: 118px;
}

.security-list {
  display: grid;
  gap: 12px;
}

.security-list article {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 18px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.018);
}

.security-list article > span {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  color: var(--accent);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.72rem;
}

.status-section {
  padding-top: 40px;
  border-top: 0;
}

.status-panel {
  display: grid;
  grid-template-columns: 1fr 0.8fr;
  gap: 70px;
  padding: 54px;
  border: 1px solid rgba(78, 240, 167, 0.24);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, rgba(78, 240, 167, 0.08), transparent 48%),
    var(--panel);
  box-shadow: var(--shadow);
}

.status-steps {
  display: grid;
  gap: 0;
  align-self: center;
}

.status-step {
  position: relative;
  display: grid;
  grid-template-columns: 18px 1fr;
  gap: 16px;
  min-height: 90px;
}

.status-step::after {
  content: "";
  position: absolute;
  top: 18px;
  bottom: -10px;
  left: 6px;
  width: 1px;
  background: var(--line-strong);
}

.status-step:last-child::after {
  display: none;
}

.status-step > span {
  position: relative;
  z-index: 1;
  width: 13px;
  height: 13px;
  margin-top: 5px;
  border: 2px solid #476658;
  border-radius: 50%;
  background: var(--panel-strong);
}

.status-step.done > span,
.status-step.current > span {
  border-color: var(--accent);
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(78, 240, 167, 0.09);
}

.status-step.current > span {
  animation: pulse 2.4s ease-in-out infinite;
}

.status-step p {
  margin: 0;
}

.status-step strong,
.status-step small {
  display: block;
}

.status-step small {
  color: var(--muted);
}

.site-footer {
  padding: 52px 0;
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
}

.footer-brand {
  margin-bottom: 10px;
}

.footer-inner p {
  margin: 0;
  color: #7f9f90;
  font-size: 0.88rem;
}

.footer-meta {
  text-align: right;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 6px rgba(78, 240, 167, 0.09); }
  50% { box-shadow: 0 0 0 11px rgba(78, 240, 167, 0.02); }
}

@media (max-width: 980px) {
  .hero-grid,
  .security-grid,
  .status-panel,
  .split-heading {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    gap: 54px;
  }

  .security-grid,
  .status-panel,
  .split-heading {
    gap: 40px;
  }

  .security-copy {
    position: static;
  }

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

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

  .principle-card {
    min-height: 205px;
  }
}

@media (max-width: 720px) {
  .shell {
    width: min(calc(100% - 28px), var(--shell));
  }

  .header-inner {
    min-height: 66px;
  }

  nav {
    display: none;
  }

  .hero {
    padding: 72px 0 68px;
  }

  .hero h1 {
    font-size: clamp(2.75rem, 14vw, 4.8rem);
  }

  .section {
    padding: 82px 0;
  }

  .metric-row {
    grid-template-columns: 1fr;
  }

  .flow-panel {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .flow-line {
    width: 1px;
    height: 14px;
    margin-left: 22px;
  }

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

  .status-panel {
    padding: 30px;
  }

  .footer-inner {
    display: grid;
  }

  .footer-meta {
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}