/* ---- hardening layer: accessibility, trust content, footer (loads last) ---- */
.skip-link { position: absolute; left: -999px; top: 8px; z-index: 100; background: var(--mint); color: #101612; padding: 10px 18px; border-radius: 4px; font: 500 12px var(--mono); text-transform: uppercase; letter-spacing: .1em; text-decoration: none; }
.skip-link:focus { left: 8px; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--mint); outline-offset: 3px; border-radius: 4px; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

.nav nav { align-items: center; }
.nav .nav-home { color: var(--mint); border-left: 1px solid var(--line); padding-left: 26px; }

.hero-copy a { color: var(--mint); }
.trust-bar { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.trust-bar span { padding: 9px 16px; border: 1px solid var(--line); border-radius: 999px; background: rgba(4,8,5,.6); color: #c8cfc9; font: 400 12px var(--mono); letter-spacing: .05em; }

.chart-head .live em { font-style: normal; }
.demo-note { margin: 10px 4px 2px; color: var(--muted); font: 400 11px var(--mono); letter-spacing: .04em; text-align: right; }

.visual-cycle figcaption { font-size: 12px !important; line-height: 1.65 !important; }

.ledger-empty { padding: 34px 26px; text-align: center; }
.ledger-empty p { color: var(--muted); font-size: 14px; line-height: 1.65; max-width: 480px; margin: 0 auto; }
.proof-copy { font-size: 15px; line-height: 1.65; }

.facility-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 40px; }
.facility-strip figure { margin: 0; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: var(--panel); }
.facility-strip img { display: block; width: 100%; height: 210px; object-fit: cover; filter: saturate(.8); }
.facility-strip figcaption { padding: 10px 12px; color: var(--muted); font: 400 10.5px var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.company-card { display: grid; grid-template-columns: 1.4fr .6fr; gap: 30px; align-items: center; margin-top: 26px; padding: 26px 30px; border: 1px solid #39423b; border-radius: 10px; background: #070a08; }
.company-card h3 { margin: 0 0 10px; font: 500 17px var(--display); letter-spacing: .01em; }
.company-card p { margin: 0; color: #b2b9b3; font-size: 14px; line-height: 1.7; }
.company-links { display: grid; gap: 10px; justify-items: start; }
.company-links a { color: var(--mint); text-decoration: none; font: 500 11.5px var(--mono); letter-spacing: .1em; text-transform: uppercase; padding: 8px 0; border-bottom: 1px solid transparent; }
.company-links a:hover { border-bottom-color: var(--mint); }

.site-footer { border-top: 1px solid var(--line); margin-top: 20px; padding: 40px 0 34px; display: block; text-align: center; }
.foot-top { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.foot-top p { margin: 0; color: var(--muted); font: 400 12px var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.foot-social { display: flex; gap: 26px; margin-top: 6px; }
.foot-social a { color: #c8cfc9; text-decoration: none; font: 500 11.5px var(--mono); letter-spacing: .1em; text-transform: uppercase; padding: 8px 0; }
.foot-social a:hover { color: var(--mint); }
.foot-disclaimer { max-width: 720px; margin: 26px auto 0; color: var(--muted); font-size: 12px; line-height: 1.7; }
.foot-legal { margin: 14px auto 0; color: #6f7a71; font-size: 11.5px; }
.foot-legal a { color: inherit; }

@media (max-width: 1050px) {
  .nav { height: auto; padding-block: 10px; flex-wrap: wrap; gap: 10px; }
  .facility-strip { grid-template-columns: repeat(2, 1fr); }
  .company-card { grid-template-columns: 1fr; }
}
@media (max-width: 650px) {
  .nav nav { gap: 18px; flex-wrap: wrap; }
  .nav .nav-home { border-left: 0; padding-left: 0; }
  .hero-actions .button { min-height: 48px; flex: 1 1 44%; }
  .facility-strip { grid-template-columns: 1fr 1fr; }
  .facility-strip img { height: 150px; }
  .demo-note { text-align: left; }
}

/* launch-state chart panel */
.launch-panel { position: relative; height: 132px; margin-top: 8px; }
.chart-idle { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .5; }
.launch-msg { position: absolute; inset: 0; display: grid; place-content: center; gap: 8px; text-align: center; }
.launch-msg strong { text-transform: uppercase; letter-spacing: .14em; font: 500 14px var(--mono); color: var(--mint); }
.launch-msg span { color: var(--muted); font: 400 11.5px var(--mono); letter-spacing: .05em; }

/* live market stats under the chart */
.mkt-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; margin-top: 8px; }
.mkt-row article { border: 1px solid var(--line); border-radius: 6px; background: #050807; padding: 10px 12px; }
.mkt-row small { display: block; color: var(--muted); font: 500 9px var(--mono); letter-spacing: .12em; text-transform: uppercase; margin-bottom: 4px; }
.mkt-row strong { font: 500 14.5px var(--mono); }
.mkt-up { color: var(--mint); } .mkt-down { color: #ff8a7a; }
@media (max-width: 650px) { .mkt-row { grid-template-columns: repeat(2, 1fr); } .mkt-row article:last-child { grid-column: span 2; } }

/* live hashrate chart: hover layer + heartbeat */
.hash-live { position: relative; margin-top: 8px; }
.hash-live svg { display: block; }
.hash-cross { position: absolute; top: 0; bottom: 0; width: 1px; background: rgba(183,216,189,.35); pointer-events: none; }
.hash-dot { position: absolute; width: 9px; height: 9px; border-radius: 50%; background: var(--mint); border: 2px solid #0a0d0b; transform: translate(-50%, -50%); pointer-events: none; }
.hash-now { box-shadow: 0 0 0 0 rgba(183,216,189,.55); animation: hash-pulse 2.2s ease-out infinite; }
@keyframes hash-pulse { 0% { box-shadow: 0 0 0 0 rgba(183,216,189,.55); } 70% { box-shadow: 0 0 0 11px rgba(183,216,189,0); } 100% { box-shadow: 0 0 0 0 rgba(183,216,189,0); } }
.hash-tip { position: absolute; transform: translate(-50%, -130%); background: #0a0d0b; border: 1px solid #4e5b51; border-radius: 6px; padding: 7px 11px; pointer-events: none; white-space: nowrap; z-index: 5; }
.hash-tip strong { display: block; font: 500 13px var(--mono); font-variant-numeric: tabular-nums; color: var(--mint); }
.hash-tip span { font: 400 10px var(--mono); color: var(--muted); letter-spacing: .06em; }