*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #060609;
  --bg-card: rgba(255,255,255,0.03);
  --border: rgba(255,255,255,0.08);
  --text: #e4e4ed;
  --text-muted: #7a7a8e;
  --text-dim: #44445a;
  --accent: #E63946;
  --font: 'Inter', -apple-system, sans-serif;
  --font-accent: 'Outfit', sans-serif;
  --mono: 'JetBrains Mono', monospace;
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }

#particles-canvas {
  position: fixed; inset: 0; z-index: 0;
  width: 100%; height: 100%; pointer-events: none;
}

.mono-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  text-transform: uppercase;
}
.mono-label.dim { opacity: 0.5; }
.accent { color: var(--accent); }

section, .terminal-section, .what, .marquee, .tools-section, .cta-section, .security-section {
  position: relative; z-index: 1;
  max-width: 1000px;
  margin: 0 auto;
  padding: 80px 24px;
}

section h2, .what h2, .security-section h2, .tools-section h2, .cta-section h2 {
  font-family: var(--font);
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 12px 0 20px;
}

.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 14px 24px;
  background: rgba(6,6,9,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav__inner {
  max-width: 1000px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
}
.nav__logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-accent);
  font-size: 20px; font-weight: 700; color: var(--accent);
}
.nav__links {
  display: flex; align-items: center; gap: 24px;
  font-size: 13px; color: var(--text-muted);
  font-family: var(--mono);
}
.nav__links a:hover { color: var(--text); }
.nav__github { display: flex; }

.hero {
  padding: 160px 24px 80px;
  max-width: 1000px; margin: 0 auto;
  position: relative; z-index: 1;
}
.hero__meta, .hero__meta-bottom {
  display: flex; gap: 24px; margin-bottom: 20px;
}
.hero__meta-bottom { margin-top: 32px; margin-bottom: 0; }
.hero__title {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 16px;
}
.hero__sub {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--text-muted);
  line-height: 1.6;
}

.what {
  border-top: 1px solid var(--border);
  padding-top: 60px;
}
.what h2 {
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 500;
  line-height: 1.5;
  color: var(--text);
}
.what p {
  color: var(--text-muted);
  font-size: 15px;
  margin-bottom: 16px;
}

.marquee {
  overflow: hidden;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
  max-width: 100%; margin: 0;
  position: relative; z-index: 1;
}
.marquee__track {
  display: flex; gap: 0; white-space: nowrap;
  animation: marquee 30s linear infinite;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 0.05em;
}
.marquee__track span { padding-right: 40px; }
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.terminal-section { padding-top: 40px; padding-bottom: 40px; }
.terminal-section__header {
  display: flex; justify-content: space-between; margin-bottom: 16px;
}
.terminal {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
.terminal__header {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}
.terminal__dot { width: 10px; height: 10px; border-radius: 50%; }
.terminal__dot--red { background: #ff5f57; }
.terminal__dot--yellow { background: #febc2e; }
.terminal__dot--green { background: #28c840; }
.terminal__title { margin-left: auto; font-size: 11px; color: var(--text-dim); font-family: var(--mono); }
.terminal__body { padding: 20px; font-family: var(--mono); font-size: 13px; }
.terminal__line {
  padding: 4px 0; opacity: 0; transform: translateY(8px);
  animation: lineAppear 0.4s ease forwards;
}
.terminal__line[data-line="1"] { animation-delay: 0.3s; }
.terminal__line[data-line="2"] { animation-delay: 0.8s; }
.terminal__line[data-line="3"] { animation-delay: 1.4s; }
.terminal__line[data-line="4"] { animation-delay: 1.9s; }
.terminal__line[data-line="5"] { animation-delay: 2.4s; }
.terminal__line[data-line="6"] { animation-delay: 2.9s; }
.terminal__line[data-line="7"] { animation-delay: 3.5s; }
.terminal__line--result { margin-top: 8px; padding-top: 8px; border-top: 1px solid var(--border); }
@keyframes lineAppear { to { opacity: 1; transform: translateY(0); } }
.t-prompt { color: var(--accent); }
.t-cmd { color: var(--text); }
.t-system { color: #00D1FF; }
.t-info { color: var(--text-muted); }
.t-check { color: #14F195; }
.t-detail { color: var(--text-muted); }
.t-success { color: #14F195; font-weight: 600; }
.t-hash { color: var(--text-dim); }

.protocol { border-top: 1px solid var(--border); }
.protocol__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px; margin-top: 32px;
}
.protocol__step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
}
.protocol__step-head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 12px;
}
.protocol__num {
  font-family: var(--font);
  font-size: 48px; font-weight: 800;
  color: rgba(255,255,255,0.04);
  line-height: 1;
}
.protocol__step h3 {
  font-family: var(--font);
  font-size: 18px; font-weight: 700;
  margin-bottom: 8px;
}
.protocol__code {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  background: rgba(230,57,70,0.06);
  border: 1px solid rgba(230,57,70,0.12);
  border-radius: 6px;
  padding: 10px 14px;
  margin-bottom: 12px;
}
.protocol__step p {
  font-size: 14px; color: var(--text-muted); line-height: 1.6;
  margin-bottom: 12px;
}

.capabilities { border-top: 1px solid var(--border); }
.capabilities__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px; margin-top: 32px;
}
.cap-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  transition: border-color 0.2s;
}
.cap-card:hover { border-color: rgba(255,255,255,0.15); }
.cap-card h3 {
  font-size: 16px; font-weight: 600;
  margin: 10px 0 8px;
}
.cap-card p {
  font-size: 13px; color: var(--text-muted); line-height: 1.6;
  margin-bottom: 12px;
}

.security-section { border-top: 1px solid var(--border); }
.security__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px; margin-top: 32px;
}
.sec-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
}
.sec-card h3 { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.sec-card p { font-size: 13px; color: var(--text-muted); line-height: 1.6; }

.tools-section { border-top: 1px solid var(--border); }
.tools__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px; margin-top: 32px;
}
.tool-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
}
.tool-card p { font-size: 13px; color: var(--text-muted); margin-top: 8px; }

.cta-section {
  border-top: 1px solid var(--border);
  text-align: center;
}
.cta__actions {
  display: flex; gap: 12px; justify-content: center;
  margin-top: 24px;
}
.cta__meta {
  display: flex; gap: 24px; justify-content: center;
  margin-top: 24px;
}

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; border-radius: 8px;
  font-size: 13px; font-weight: 500; font-family: var(--mono);
  cursor: pointer; transition: all 0.2s; border: none;
}
.btn--primary {
  background: var(--accent); color: #fff;
}
.btn--primary:hover { opacity: 0.85; }
.btn--ghost {
  background: transparent; color: var(--text);
  border: 1px solid var(--border);
}
.btn--ghost:hover { border-color: rgba(255,255,255,0.2); }

.footer {
  position: relative; z-index: 1;
  border-top: 1px solid var(--border);
  padding: 32px 24px;
}
.footer__inner {
  max-width: 1000px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 16px;
}
.footer__brand {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-accent);
  font-size: 16px; font-weight: 700; color: var(--accent);
}
.footer__links {
  display: flex; gap: 20px;
  font-size: 12px; color: var(--text-muted);
  font-family: var(--mono);
}
.footer__links a:hover { color: var(--text); }

@media (max-width: 768px) {
  .nav__links a:not(.nav__github) { display: none; }
  .hero { padding: 120px 20px 60px; }
  .protocol__grid, .capabilities__grid, .security__grid { grid-template-columns: 1fr; }
  .tools__grid { grid-template-columns: 1fr 1fr; }
  .footer__inner { flex-direction: column; text-align: center; }
  .hero__meta, .hero__meta-bottom { flex-wrap: wrap; }
}

.section-desc { color: var(--text-muted); font-size: 15px; line-height: 1.7; margin-bottom: 32px; }

.data-readout { border-top: 1px solid var(--border); }
.data-readout__grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 16px; margin-top: 32px;
}
.data-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 10px; padding: 24px; text-align: center;
  display: flex; flex-direction: column; gap: 6px;
}
.data-card__num {
  font-family: var(--font); font-size: 36px; font-weight: 800; color: var(--accent);
}
.data-card__label { font-size: 12px; color: var(--text-muted); }

.pipeline-section { border-top: 1px solid var(--border); }
.pipeline__list { display: flex; flex-direction: column; gap: 16px; margin-top: 32px; }
.pipeline__item {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 10px; padding: 24px;
}
.pipeline__item-head {
  display: flex; align-items: flex-start; gap: 16px; margin-bottom: 12px;
}
.pipeline__stage-num {
  font-family: var(--font); font-size: 32px; font-weight: 800;
  color: var(--accent); opacity: 0.3; line-height: 1;
}
.pipeline__item h3 { font-size: 16px; font-weight: 600; margin-top: 2px; }
.pipeline__item p { font-size: 13px; color: var(--text-muted); line-height: 1.6; margin-bottom: 12px; }
.pipeline__detail-row {
  padding-top: 10px; border-top: 1px solid var(--border);
}

.risk-detail { border-top: 1px solid var(--border); }
.risk-table { margin-top: 24px; }
.risk-table__row {
  display: grid; grid-template-columns: 1fr 80px 2fr;
  gap: 12px; padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px; color: var(--text-muted);
  align-items: center;
}
.risk-table__header { color: var(--text); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em; }
.risk-levels {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 12px; margin-top: 24px;
}
.risk-level {
  padding: 16px; border-radius: 8px; text-align: center;
  display: flex; flex-direction: column; gap: 4px;
  font-size: 14px; font-weight: 600;
}
.risk-level--low { background: rgba(20,241,149,0.06); border: 1px solid rgba(20,241,149,0.15); color: #14F195; }
.risk-level--med { background: rgba(255,159,67,0.06); border: 1px solid rgba(255,159,67,0.15); color: #FF9F43; }
.risk-level--high { background: rgba(230,57,70,0.06); border: 1px solid rgba(230,57,70,0.15); color: var(--accent); }

.usecases { border-top: 1px solid var(--border); }
.usecases__grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px; margin-top: 32px;
}
.usecase-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 10px; padding: 24px;
}
.usecase-card h3 { font-size: 16px; font-weight: 600; margin: 8px 0; }
.usecase-card p { font-size: 13px; color: var(--text-muted); line-height: 1.6; }

.networks { border-top: 1px solid var(--border); }
.networks__grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 16px; margin-top: 32px;
}
.network-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 10px; padding: 24px;
}
.network-card__head { margin-bottom: 8px; }
.network-card h3 { font-size: 20px; font-weight: 700; margin: 4px 0 8px; }
.network-card p { font-size: 13px; color: var(--text-muted); line-height: 1.6; margin-bottom: 16px; }
.network-card code { font-family: var(--mono); font-size: 12px; color: var(--accent); background: rgba(230,57,70,0.08); padding: 2px 6px; border-radius: 4px; }
.network-card__bar { height: 4px; background: var(--border); border-radius: 2px; overflow: hidden; }
.network-card__fill { height: 100%; background: #14F195; border-radius: 2px; }
.network-card__fill--accent { background: var(--accent); }
.network-card__meta { display: flex; justify-content: space-between; margin-top: 10px; font-size: 12px; color: var(--text-muted); }

.threat-section { border-top: 1px solid var(--border); }
.threat__grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px; margin-top: 32px;
}
.threat-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 10px; padding: 24px;
}
.threat-card h3 { font-size: 15px; font-weight: 600; margin: 8px 0; }
.threat-card p { font-size: 13px; color: var(--text-muted); line-height: 1.6; }

.config-section { border-top: 1px solid var(--border); }
.config-table { margin-top: 24px; }
.config-table__row {
  display: grid; grid-template-columns: 1fr 1fr 2fr;
  gap: 12px; padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px; color: var(--text-muted);
  align-items: center;
}
.config-table__header { color: var(--text); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em; }

@media (max-width: 768px) {
  .risk-table__row { grid-template-columns: 1fr; gap: 4px; }
  .config-table__row { grid-template-columns: 1fr; gap: 4px; }
  .risk-levels { grid-template-columns: 1fr; }
  .data-readout__grid { grid-template-columns: repeat(2, 1fr); }
}