/* ============================================================
   EQUALIZER — control-room industrial theme
   ============================================================ */

:root {
  --bg0: #07111a;
  --bg1: #0b1b28;
  --bg2: #102a3d;
  --line: rgba(141, 184, 217, 0.14);
  --line-strong: rgba(141, 184, 217, 0.28);
  --navy: #1e364a;
  --blue: #025995;
  --accent: #4d9fe8;
  --accent-soft: rgba(77, 159, 232, 0.12);
  --ice: #9fd1ff;
  --text: #e8f1f8;
  --muted: #8ba7bc;
  --green: #2ebd85;
  --red: #f0645a;
  --amber: #f5b14c;
  --font-display: "Chakra Petch", "Avenir Next Condensed", sans-serif;
  --font-body: "IBM Plex Sans", "Helvetica Neue", sans-serif;
  --font-mono: "IBM Plex Mono", "SF Mono", monospace;
  --radius: 2px;
  --pad: clamp(20px, 4vw, 48px);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  background: var(--bg0);
  color: var(--text);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* faint engineering grid over the whole page */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(rgba(141, 184, 217, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(141, 184, 217, 0.03) 1px, transparent 1px);
  background-size: 72px 72px;
  pointer-events: none;
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(900px 420px at 80% -5%, rgba(2, 89, 149, 0.28), transparent 70%),
    radial-gradient(700px 500px at -10% 30%, rgba(2, 89, 149, 0.14), transparent 70%);
  pointer-events: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.12;
  font-weight: 700;
  letter-spacing: 0.01em;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--ice); }

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

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 var(--pad);
}

::selection { background: var(--blue); color: #fff; }

/* ---------- equalizer-bar motif (from the logo's E) ---------- */
.eq-mark {
  display: inline-flex;
  flex-direction: column;
  gap: 3px;
  width: 26px;
  flex: none;
}
.eq-mark i {
  height: 4px;
  background: var(--accent);
  animation: eqPulse 2.4s ease-in-out infinite;
}
.eq-mark i:nth-child(1) { width: 100%; animation-delay: 0s; }
.eq-mark i:nth-child(2) { width: 62%;  animation-delay: 0.3s; background: var(--ice); }
.eq-mark i:nth-child(3) { width: 84%;  animation-delay: 0.6s; }
.eq-mark i:nth-child(4) { width: 46%;  animation-delay: 0.9s; background: var(--ice); }
@keyframes eqPulse {
  0%, 100% { transform: scaleX(1); opacity: 1; }
  50% { transform: scaleX(0.55); opacity: 0.55; }
}
.eq-mark i { transform-origin: left; }

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(7, 17, 26, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 64px;
}
.brand img { height: 22px; width: auto; }
.site-nav { display: flex; align-items: center; gap: 28px; }
.site-nav a {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.site-nav a:hover { color: var(--text); }
.site-nav a.nav-cta {
  color: var(--ice);
  border: 1px solid var(--line-strong);
  padding: 8px 16px;
  transition: border-color 0.2s, background 0.2s;
}
.site-nav a.nav-cta:hover { border-color: var(--accent); background: var(--accent-soft); }

/* nav dropdown (Solutions) */
.nav-dropdown { position: relative; display: flex; align-items: center; }
.nav-drop-toggle {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.nav-drop-toggle::after {
  content: "";
  width: 6px;
  height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-1px);
  transition: transform 0.2s;
}
.nav-dropdown:hover .nav-drop-toggle, .nav-drop-toggle:hover, .nav-drop-toggle:focus-visible { color: var(--text); }
.nav-dropdown::after { content: ""; position: absolute; top: 100%; left: 0; right: 0; height: 12px; }
.nav-drop-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  background: var(--bg1);
  border: 1px solid var(--line-strong);
  padding: 8px 0;
  min-width: 188px;
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.18s ease, transform 0.18s ease;
  z-index: 60;
}
.nav-dropdown:hover .nav-drop-menu,
.nav-dropdown:focus-within .nav-drop-menu,
.nav-drop-toggle[aria-expanded="true"] + .nav-drop-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.nav-drop-menu a { padding: 11px 22px; white-space: nowrap; border: none; }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line-strong);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  padding: 8px 12px;
  cursor: pointer;
}

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .site-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--bg1);
    border-bottom: 1px solid var(--line);
    padding: 8px 0;
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 14px var(--pad); border-top: 1px solid var(--line); }
  .site-nav a.nav-cta { border-left: none; border-right: none; margin: 8px var(--pad) 8px; text-align: center; }

  .nav-dropdown { flex-direction: column; align-items: stretch; }
  .nav-dropdown::after { display: none; }
  .nav-drop-toggle {
    padding: 14px var(--pad);
    border-top: 1px solid var(--line);
    justify-content: space-between;
    width: 100%;
    color: var(--muted);
  }
  .nav-drop-menu {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    border: none;
    padding: 0;
    min-width: 0;
    background: rgba(7, 17, 26, 0.45);
  }
  .nav-drop-menu a { padding-left: calc(var(--pad) + 18px); }
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(100deg, rgba(7, 17, 26, 0.92) 30%, rgba(7, 17, 26, 0.55) 70%, rgba(7, 17, 26, 0.75)),
    linear-gradient(180deg, rgba(7, 17, 26, 0.35), var(--bg0) 96%);
}
.hero-inner { padding: 120px 0 96px; max-width: 820px; }
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ice);
  margin-bottom: 28px;
}
.hero h1 {
  font-size: clamp(2.5rem, 6.4vw, 4.6rem);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.hero h1 .accent { color: var(--accent); }
.hero .sub {
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: var(--muted);
  max-width: 580px;
  margin: 20px 0 24px;
}
.hero-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0 0 36px;
  max-width: 560px;
}
.hero-bullets li {
  position: relative;
  padding-left: 28px;
  font-size: 1rem;
  color: var(--text);
}
.hero-bullets li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.42em;
  width: 12px;
  height: 7px;
  border-left: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(-45deg);
}
.hero-ctas { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 56px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 14px 26px;
  border: 1px solid var(--line-strong);
  color: var(--text);
  background: transparent;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, transform 0.15s;
}
.btn:hover { transform: translateY(-1px); color: var(--text); }
.btn-primary { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn-primary:hover { background: #036bb4; border-color: #036bb4; color: #fff; }
.btn-ghost:hover { border-color: var(--accent); background: var(--accent-soft); }

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  border: 1px solid var(--line);
  background: rgba(11, 27, 40, 0.6);
  backdrop-filter: blur(6px);
  max-width: 640px;
}
.hero-stats > div {
  flex: 1 1 0;
  min-width: 150px;
  padding: 18px 22px;
  border-right: 1px solid var(--line);
}
.hero-stats > div:last-child { border-right: none; }
.hero-stats .num {
  display: block;
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--ice);
}
.hero-stats .lbl {
  display: block;
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

/* staggered hero entrance */
.hero-inner > * { animation: rise 0.7s cubic-bezier(0.2, 0.7, 0.2, 1) both; }
.hero-inner > *:nth-child(1) { animation-delay: 0.05s; }
.hero-inner > *:nth-child(2) { animation-delay: 0.15s; }
.hero-inner > *:nth-child(3) { animation-delay: 0.25s; }
.hero-inner > *:nth-child(4) { animation-delay: 0.35s; }
.hero-inner > *:nth-child(5) { animation-delay: 0.5s; }
.hero-inner > *:nth-child(6) { animation-delay: 0.6s; }
@keyframes rise {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- sections ---------- */
.section { padding: clamp(72px, 10vw, 120px) 0; border-bottom: 1px solid var(--line); }
.section-alt { background: rgba(11, 27, 40, 0.45); }

.section-head { margin-bottom: clamp(36px, 5vw, 56px); max-width: 720px; }
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}
.section-label::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--accent);
}
.section-head h2 {
  font-size: clamp(1.7rem, 3.6vw, 2.6rem);
  text-transform: uppercase;
}
.section-head p { color: var(--muted); margin-top: 14px; font-size: 1.05rem; }

/* scroll reveal — only hidden when JS is running (html.js) */
.js .reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.2, 0.7, 0.2, 1); }
.js .reveal.in { opacity: 1; transform: none; }

/* ---------- card grids ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
@media (max-width: 900px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.cell {
  background: var(--bg1);
  padding: 32px 28px;
  position: relative;
  transition: background 0.25s;
}
.cell:hover { background: var(--bg2); }
.cell .idx {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.18em;
  display: block;
  margin-bottom: 22px;
}
.cell h3 { font-size: 1.18rem; text-transform: uppercase; margin-bottom: 10px; }
.cell p { color: var(--muted); font-size: 0.95rem; }

/* pillar cards (why hosting companies use Equalizer) */
.pillar-card { display: flex; flex-direction: column; }
.pillar-card .idx { color: var(--ice); }
.pillar-card .cell-link {
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  transition: color 0.2s, transform 0.2s;
}
.pillar-card:hover .cell-link { color: var(--ice); }

/* ---------- flow diagram (miners → equalizer → pools) ---------- */
.flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: stretch;
  gap: 0;
}
.flow-node {
  border: 1px solid var(--line);
  background: var(--bg1);
  padding: 30px 26px;
  text-align: center;
}
.flow-node .idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted);
  display: block;
  margin-bottom: 14px;
}
.flow-node h3 { font-size: 1.25rem; text-transform: uppercase; }
.flow-node p { color: var(--muted); font-size: 0.88rem; margin-top: 8px; }
.flow-node.core {
  border-color: var(--accent);
  background: linear-gradient(180deg, rgba(2, 89, 149, 0.25), rgba(11, 27, 40, 0.9));
  box-shadow: 0 0 42px rgba(2, 89, 149, 0.35);
}
.flow-node.core .idx { color: var(--accent); }
.flow-link {
  width: clamp(28px, 6vw, 90px);
  align-self: center;
  height: 2px;
  background-image: linear-gradient(90deg, var(--accent) 40%, transparent 40%);
  background-size: 14px 2px;
  animation: flowDash 0.9s linear infinite;
}
@keyframes flowDash { to { background-position: 14px 0; } }
@media (max-width: 720px) {
  .flow { grid-template-columns: 1fr; }
  .flow-link {
    width: 2px;
    height: 34px;
    justify-self: center;
    background-image: linear-gradient(180deg, var(--accent) 40%, transparent 40%);
    background-size: 2px 14px;
    animation-name: flowDashV;
  }
  @keyframes flowDashV { to { background-position: 0 14px; } }
}
.flow-note {
  margin-top: 28px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
  text-align: center;
}
.flow-note b { color: var(--ice); font-weight: 500; }

.flow-checks {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}
.flow-checks span {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--text);
  border: 1px solid var(--line-strong);
  background: var(--bg1);
  padding: 11px 18px;
}
.flow-checks span::before {
  content: "";
  width: 11px;
  height: 6px;
  border-left: 2px solid var(--green);
  border-bottom: 2px solid var(--green);
  transform: rotate(-45deg);
  flex: none;
}

/* shared callout note (smart rack, hash rate sink) */
.callout-note {
  margin-top: 28px;
  border-left: 3px solid var(--accent);
  background: linear-gradient(90deg, var(--accent-soft), transparent);
  padding: 16px 22px;
  font-family: var(--font-mono);
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  color: var(--ice);
}

/* ---------- simulator ---------- */
.sim {
  border: 1px solid var(--line-strong);
  background: var(--bg1);
}
.sim-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
  background: rgba(7, 17, 26, 0.5);
}
.sim-mode { display: flex; border: 1px solid var(--line-strong); }
.sim-mode button {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 11px 18px;
  background: transparent;
  color: var(--muted);
  border: none;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.sim-mode button + button { border-left: 1px solid var(--line-strong); }
.sim-mode button.active { background: var(--blue); color: #fff; }
.sim-readout {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.sim-readout b {
  color: var(--ice);
  font-weight: 600;
  font-size: 16px;
}

.sim-grid {
  display: grid;
  grid-template-columns: 1fr auto 1.3fr;
  gap: clamp(18px, 3vw, 40px);
  padding: clamp(20px, 3.5vw, 40px);
  align-items: center;
}
.sim-col { display: flex; flex-direction: column; gap: 10px; }
.sim-col-title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 4px;
}

.miner {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  padding: 12px 14px;
  background: var(--bg2);
  border: 1px solid var(--line);
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, opacity 0.2s;
}
.miner:hover { border-color: var(--accent); }
.miner .led {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  flex: none;
  animation: blink 2s ease-in-out infinite;
}
@keyframes blink { 50% { opacity: 0.45; } }
.miner .mlabel { flex: 1; }
.miner .mrate { color: var(--ice); }
.miner.off { background: rgba(240, 100, 90, 0.06); border-color: rgba(240, 100, 90, 0.4); }
.miner.off .led { background: var(--red); box-shadow: 0 0 8px var(--red); animation: none; }
.miner.off .mrate { color: var(--red); }
.miner.off .mlabel { color: var(--muted); text-decoration: line-through; }

.sim-core {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 22px 18px;
  border: 1px solid var(--accent);
  background: linear-gradient(180deg, rgba(2, 89, 149, 0.3), rgba(11, 27, 40, 0.85));
  box-shadow: 0 0 36px rgba(2, 89, 149, 0.35);
  transition: opacity 0.3s, filter 0.3s, box-shadow 0.3s;
}
.sim-core .eq-mark { width: 34px; }
.sim-core .core-label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.sim-core .core-sub {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ice);
}
.sim.traditional .sim-core {
  opacity: 0.35;
  filter: grayscale(0.9);
  box-shadow: none;
}

.customer {
  display: grid;
  grid-template-columns: 96px 1fr 86px;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: var(--bg2);
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
}
.customer .bar {
  height: 10px;
  background: rgba(141, 184, 217, 0.1);
  position: relative;
  overflow: hidden;
}
.customer .bar i {
  position: absolute;
  inset: 0 auto 0 0;
  width: 100%;
  background: linear-gradient(90deg, var(--blue), var(--accent));
  transition: width 0.55s cubic-bezier(0.2, 0.7, 0.2, 1), background 0.3s;
}
.customer .crate { text-align: right; color: var(--ice); white-space: nowrap; }
.customer.dead { border-color: rgba(240, 100, 90, 0.4); }
.customer.dead .bar i { background: var(--red); }
.customer.dead .crate { color: var(--red); }
.customer.reduced .bar i { background: linear-gradient(90deg, var(--blue), var(--green)); }

.sim-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
}
.sim-stats > div {
  padding: 16px 22px;
  border-right: 1px solid var(--line);
  font-family: var(--font-mono);
}
.sim-stats > div:last-child { border-right: none; }
.sim-stats .lbl {
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
}
.sim-stats .val { font-size: 1.15rem; color: var(--text); }
.sim-stats .val.good { color: var(--green); }
.sim-stats .val.bad { color: var(--red); }

.sim-hint {
  padding: 14px 22px;
  border-bottom: 1px solid var(--line);
  font-size: 0.85rem;
  color: var(--muted);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}
.sim-hint b { color: var(--ice); font-weight: 500; }

@media (max-width: 860px) {
  .sim-grid { grid-template-columns: 1fr; }
  .sim-core { flex-direction: row; justify-content: center; padding: 14px; }
  .sim-stats { grid-template-columns: 1fr; }
  .sim-stats > div { border-right: none; border-bottom: 1px solid var(--line); }
  .sim-stats > div:last-child { border-bottom: none; }
  .customer { grid-template-columns: 80px 1fr 80px; }
}

/* ---------- smart rack ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 64px); align-items: start; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }

.steps { counter-reset: step; display: flex; flex-direction: column; }
.step {
  position: relative;
  padding: 0 0 32px 56px;
  counter-increment: step;
}
.step::before {
  content: "0" counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid var(--accent);
  color: var(--ice);
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--bg1);
}
.step::after {
  content: "";
  position: absolute;
  left: 19px;
  top: 38px;
  bottom: 0;
  width: 1px;
  background: var(--line-strong);
}
.step:last-child::after { display: none; }
.step h3 { font-size: 1.05rem; text-transform: uppercase; margin-bottom: 6px; }
.step p { color: var(--muted); font-size: 0.93rem; }

.benefit {
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  background: var(--bg1);
  padding: 22px 24px;
}
.benefit + .benefit { margin-top: 14px; }
.benefit h4 { font-size: 1rem; text-transform: uppercase; margin-bottom: 4px; }
.benefit p { color: var(--muted); font-size: 0.92rem; }

/* ---------- hash rate sink (horizontal flow) ---------- */
.sink-flow {
  display: flex;
  align-items: stretch;
  gap: 0;
}
.sink-step {
  flex: 1 1 0;
  background: var(--bg1);
  border: 1px solid var(--line);
  padding: 28px 22px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 8px;
  justify-content: center;
}
.sink-step .sk-big {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.9rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text);
}
.sink-step.pos .sk-big { color: var(--green); }
.sink-step .sk-lbl {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text);
}
.sink-step .sk-note { font-size: 0.82rem; color: var(--muted); }
.sink-arrow {
  flex: none;
  align-self: center;
  width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}
.sink-arrow::before {
  content: "";
  width: 12px;
  height: 12px;
  border-top: 2px solid var(--accent);
  border-right: 2px solid var(--accent);
  transform: rotate(45deg);
}
@media (max-width: 760px) {
  .sink-flow { flex-direction: column; }
  .sink-arrow { width: 100%; height: 34px; }
  .sink-arrow::before { transform: rotate(135deg); }
}

/* ---------- case study teaser / impact ---------- */
.impact-hero {
  border: 1px solid var(--line-strong);
  background: linear-gradient(135deg, rgba(2, 89, 149, 0.2), rgba(11, 27, 40, 0.7));
  padding: clamp(32px, 5vw, 56px);
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
}
@media (max-width: 860px) { .impact-hero { grid-template-columns: 1fr; } }
.impact-hero .delta {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  font-weight: 700;
  color: var(--green);
  line-height: 1;
}
.impact-hero .from-to {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--muted);
  margin-top: 14px;
}
.impact-hero .from-to b { color: var(--text); font-weight: 600; }

.pillar-gains { display: flex; flex-direction: column; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.pillar-gains-title {
  background: rgba(7, 17, 26, 0.5);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 14px 22px;
}
.pillar-gain {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 18px;
  background: var(--bg1);
  padding: 16px 22px;
}
.pillar-gain .name { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.pillar-gain .amt { font-family: var(--font-display); font-weight: 700; font-size: 1.25rem; color: var(--green); white-space: nowrap; }

/* ---------- why equalizer ---------- */
.why-list { display: flex; flex-wrap: wrap; gap: 12px; }
.why-list span {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--line-strong);
  padding: 12px 20px;
  color: var(--text);
  background: var(--bg1);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.why-list span::before { content: "▮"; color: var(--green); font-size: 10px; }

/* ---------- events / social proof ---------- */
.events-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
@media (max-width: 760px) { .events-row { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 420px) { .events-row { grid-template-columns: 1fr; } }
.event-badge {
  background: var(--bg1);
  padding: 30px 26px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
  min-height: 116px;
  transition: background 0.25s;
}
.event-badge:hover { background: var(--bg2); }
.event-badge .ev-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  line-height: 1.15;
  text-transform: uppercase;
  color: var(--text);
}
.event-badge .ev-tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}
.event-badge.next { background: linear-gradient(180deg, rgba(2, 89, 149, 0.22), var(--bg1)); }
.event-badge.next .ev-name { color: var(--ice); }

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
@media (max-width: 720px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-cell { background: var(--bg1); padding: 30px 26px; }
.contact-cell .lbl {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  display: block;
  margin-bottom: 10px;
}
.contact-cell a, .contact-cell .val { font-family: var(--font-mono); font-size: 15px; color: var(--ice); word-break: break-word; }

/* ---------- demo / booking ---------- */
.demo-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: stretch;
}
@media (max-width: 860px) { .demo-grid { grid-template-columns: 1fr; } }
.demo-lead { color: var(--muted); font-size: 1.08rem; margin-bottom: 26px; max-width: 420px; }
.contact-list { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.contact-list .contact-cell { background: var(--bg1); padding: 20px 24px; }

.demo-booking { display: flex; border: 1px solid var(--line-strong); background: var(--bg1); min-height: 380px; }
#calendly-embed { width: 100%; display: flex; }
.calendly-fallback {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 16px;
  padding: 48px 32px;
  width: 100%;
  background: linear-gradient(180deg, rgba(2, 89, 149, 0.18), rgba(11, 27, 40, 0.6));
}
.calendly-fallback .eq-mark { width: 40px; }
.calendly-fallback h3 { font-size: 1.35rem; text-transform: uppercase; }
.calendly-fallback p { color: var(--muted); max-width: 340px; }
.calendly-fallback .btn { margin-top: 6px; }
.calendly-inline-widget { min-width: 320px; width: 100%; height: 640px; }

/* ---------- footer ---------- */
.site-footer { padding: 40px 0 48px; }
.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
  justify-content: space-between;
}
.site-footer img { height: 16px; opacity: 0.7; }
.site-footer p {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.footer-links { display: flex; gap: 22px; }
.footer-links a {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}
.footer-links a:hover { color: var(--ice); }

/* ============================================================
   CASE STUDY PAGE
   ============================================================ */
.page-hero {
  padding: clamp(72px, 9vw, 110px) 0 clamp(40px, 6vw, 64px);
  border-bottom: 1px solid var(--line);
}
.page-hero h1 { font-size: clamp(2rem, 5vw, 3.4rem); text-transform: uppercase; max-width: 800px; }
.page-hero p { color: var(--muted); max-width: 620px; margin-top: 16px; font-size: 1.05rem; }

/* assumptions table */
.spec-table { width: 100%; border-collapse: collapse; border: 1px solid var(--line); }
.spec-table th, .spec-table td { padding: 14px 20px; border-bottom: 1px solid var(--line); text-align: left; }
.spec-table th {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
  background: rgba(7, 17, 26, 0.5);
}
.spec-table td { font-size: 0.95rem; }
.spec-table td:last-child {
  font-family: var(--font-mono);
  color: var(--ice);
  text-align: right;
  white-space: nowrap;
}
.spec-table tr:hover td { background: rgba(141, 184, 217, 0.04); }

/* ---------- calculator ---------- */
.calc-layout {
  display: grid;
  grid-template-columns: minmax(320px, 1.1fr) 1.6fr;
  gap: clamp(20px, 3vw, 36px);
  align-items: start;
}
@media (max-width: 980px) { .calc-layout { grid-template-columns: 1fr; } }

.panel { border: 1px solid var(--line); background: var(--bg1); }
.panel-title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 16px 22px;
  border-bottom: 1px solid var(--line);
  background: rgba(7, 17, 26, 0.5);
}
.panel-body { padding: 22px; }
.panel + .panel { margin-top: 20px; }

/* pillar toggles */
.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  background: var(--bg2);
  transition: border-color 0.25s, background 0.25s;
}
.toggle-row + .toggle-row { margin-top: 10px; }
.toggle-row.active { border-color: var(--accent); background: linear-gradient(90deg, var(--accent-soft), var(--bg2)); }
.toggle-row .t-name { font-family: var(--font-display); font-weight: 600; font-size: 0.95rem; text-transform: uppercase; }
.toggle-row .t-sub { font-size: 0.8rem; color: var(--muted); }

.switch { position: relative; display: inline-block; width: 46px; height: 24px; flex: none; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch .track {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: rgba(141, 184, 217, 0.15);
  transition: background 0.3s, box-shadow 0.3s;
}
.switch .track::before {
  content: "";
  position: absolute;
  height: 16px;
  width: 16px;
  left: 4px;
  bottom: 4px;
  background: var(--muted);
  transition: transform 0.3s, background 0.3s;
}
.switch input:checked + .track { background: var(--blue); box-shadow: 0 0 12px rgba(2, 89, 149, 0.6); }
.switch input:checked + .track::before { transform: translateX(22px); background: #fff; }
.switch input:focus-visible + .track { outline: 2px solid var(--accent); outline-offset: 2px; }

/* sliders */
.field { margin-bottom: 20px; }
.field:last-child { margin-bottom: 0; }
.field label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 8px;
}
.field label output {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--ice);
  white-space: nowrap;
}
.field .help { font-size: 0.78rem; color: var(--muted); margin: -4px 0 8px; line-height: 1.45; }
.field.disabled { opacity: 0.35; pointer-events: none; }

input[type="range"] {
  width: 100%;
  height: 4px;
  appearance: none;
  -webkit-appearance: none;
  background: rgba(141, 184, 217, 0.18);
  outline: none;
  cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  background: var(--accent);
  border: 2px solid var(--bg0);
  box-shadow: 0 0 10px rgba(77, 159, 232, 0.6);
  cursor: pointer;
}
input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 0;
  background: var(--accent);
  border: 2px solid var(--bg0);
  box-shadow: 0 0 10px rgba(77, 159, 232, 0.6);
  cursor: pointer;
}
input[type="range"]:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }

/* machine profitability cards */
.machines { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (max-width: 720px) { .machines { grid-template-columns: 1fr; } }
.machine {
  border: 1px solid var(--line);
  border-top: 3px solid var(--muted);
  background: var(--bg1);
  padding: 18px 16px;
  text-align: center;
  transition: border-color 0.3s;
}
.machine.positive { border-top-color: var(--green); }
.machine.negative { border-top-color: var(--red); }
.machine h4 { font-size: 1rem; text-transform: uppercase; }
.machine .specs { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.08em; color: var(--muted); margin: 4px 0 12px; }
.machine .lines { font-family: var(--font-mono); font-size: 11.5px; text-align: left; background: rgba(7, 17, 26, 0.6); border: 1px solid var(--line); padding: 8px 10px; }
.machine .lines div { display: flex; justify-content: space-between; padding: 2px 0; color: var(--muted); }
.machine .lines div span:last-child { color: var(--text); }
.machine .profit { font-family: var(--font-display); font-weight: 700; font-size: 1.3rem; margin-top: 12px; }
.machine .profit.green { color: var(--green); }
.machine .profit.red { color: var(--red); }

/* results panel */
.results { border: 1px solid var(--accent); background: linear-gradient(170deg, rgba(2, 89, 149, 0.16), var(--bg1) 55%); }
.res-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 18px;
  padding: 15px 22px;
  border-bottom: 1px solid var(--line);
}
.res-row:last-child { border-bottom: none; }
.res-row .r-lbl { font-size: 0.92rem; font-weight: 500; }
.res-row .r-sub { display: block; font-size: 0.76rem; color: var(--muted); font-weight: 400; }
.res-row .r-val { font-family: var(--font-mono); font-size: 1.05rem; white-space: nowrap; }
.res-row .r-val.green { color: var(--green); }
.res-row.indent { padding-left: 40px; background: rgba(7, 17, 26, 0.35); }
.res-row.total .r-val { font-family: var(--font-display); font-weight: 700; font-size: 1.7rem; }
.res-row.highlight {
  background: linear-gradient(90deg, rgba(46, 189, 133, 0.1), transparent);
}
.res-row.highlight .r-lbl { color: var(--green); font-family: var(--font-display); text-transform: uppercase; font-weight: 600; }
.res-row.highlight .r-val { font-family: var(--font-display); font-weight: 700; font-size: 2.1rem; color: var(--green); }

.footnote { font-size: 0.78rem; color: var(--muted); margin-top: 18px; line-height: 1.55; }

/* back link */
.crumb {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  display: flex;
  width: fit-content;
  gap: 8px;
  margin-bottom: 28px;
  color: var(--muted);
}
.crumb:hover { color: var(--ice); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; }
}