:root {
  --bg: #F2EDE4;
  --paper: #ECE5D7;
  --paper-2: #E4DCC9;
  --ink: #161311;
  --ink-2: #2B2520;
  --muted: #7A6F62;
  --muted-2: #A89C8B;
  --rule: #2B2520;
  --rule-soft: rgba(22,19,17,0.16);
  --red: #C8312B;
  --red-deep: #8E1F1B;
  --red-glow: #FF4136;
  --amber: #E2A03F;

  --serif: "Instrument Serif", "Times New Roman", serif;
  --sans: "Söhne", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "JetBrains Mono", "SF Mono", ui-monospace, Menlo, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--ink); }
body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01", "ss02", "cv11";
}

::selection { background: var(--red); color: var(--bg); }

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 0; }

.mono { font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; }
.serif { font-family: var(--serif); font-weight: 400; }
.tiny { font-size: 11px; letter-spacing: 0.06em; }

.container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 40px;
}
@media (max-width: 720px) { .container { padding: 0 20px; } }

/* ---------- top status bar ---------- */
.topbar {
  border-bottom: 1px solid var(--rule);
  background: var(--bg);
  position: sticky; top: 0; z-index: 50;
}
.topbar-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: 44px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.topbar .left, .topbar .right { display: flex; gap: 28px; align-items: center; }
.topbar .right { justify-content: flex-end; }
.topbar .center { display: flex; align-items: center; gap: 10px; font-family: var(--serif); font-size: 18px; text-transform: none; letter-spacing: 0; }
.topbar .dot { width: 8px; height: 8px; background: var(--red); border-radius: 50%; box-shadow: 0 0 12px var(--red-glow); animation: pulse 1.6s infinite; }
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.7); }
}
.topbar .live { color: var(--red); }
.topbar a:hover { color: var(--red); }

/* ---------- masthead ---------- */
.masthead {
  border-bottom: 1px solid var(--rule);
  padding: 28px 0 18px;
}
.masthead-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 32px;
  align-items: baseline;
}
.wordmark {
  font-family: var(--serif);
  font-size: 34px;
  line-height: 1;
  letter-spacing: -0.015em;
}
.wordmark sup { font-size: 12px; vertical-align: top; font-family: var(--mono); letter-spacing: 0.1em; }
.masthead-meta {
  display: flex;
  gap: 36px;
  justify-content: center;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.masthead-meta span b { color: var(--ink); font-weight: 500; }
.masthead-meta span i { color: var(--muted); font-style: normal; }
.masthead-actions { display: flex; gap: 14px; align-items: center; }
.iconbtn {
  width: 36px; height: 36px; border: 1px solid var(--rule); border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  transition: background .2s, color .2s;
}
.iconbtn:hover { background: var(--ink); color: var(--bg); }

/* ---------- hero ---------- */
.hero {
  padding: 64px 0 56px;
  border-bottom: 1px solid var(--rule);
}
.hero-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 64px;
  align-items: end;
}
.hero h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(56px, 8.2vw, 124px);
  line-height: 0.94;
  letter-spacing: -0.02em;
  margin: 0;
}
.hero h1 em { font-style: italic; color: var(--red); }
.hero h1 .small { display: block; font-size: 0.42em; letter-spacing: 0; margin-top: 14px; color: var(--muted); font-style: italic; }
.hero-left { padding-right: 12px; }
.hero-eyebrow {
  display: flex; align-items: center; gap: 14px;
  font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--muted); margin-bottom: 36px;
}
.hero-eyebrow .num { color: var(--red); }
.hero-lede {
  font-family: var(--serif);
  font-size: 28px;
  line-height: 1.2;
  letter-spacing: -0.005em;
  margin: 28px 0 0;
  max-width: 30ch;
  text-wrap: pretty;
}
.hero-lede em { font-style: italic; }

/* device viewer placeholder */
.device-viewer {
  position: relative;
  aspect-ratio: 4/3;
  background: var(--ink);
  border-radius: 2px;
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  isolation: isolate;
}
.device-viewer::before {
  content: "";
  position: absolute; inset: 0;
  background: repeating-linear-gradient(45deg, transparent 0 18px, rgba(255,255,255,0.025) 18px 19px);
}
.device-disc {
  width: 56%; aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(circle at 50% 45%, #FF4A40 0%, #C8312B 32%, #6B1614 70%, #2A0808 100%);
  box-shadow: 0 0 120px 40px rgba(200,49,43,var(--flicker, 0.55)), 0 0 240px 80px rgba(200,49,43,0.18);
  transition: box-shadow 0.012s linear;
  position: relative;
}
.device-disc::after {
  content: "";
  position: absolute; inset: 8%;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 40%, rgba(255,180,170,0.5), transparent 60%);
  mix-blend-mode: screen;
}
.device-meta {
  position: absolute; bottom: 16px; left: 16px; right: 16px;
  display: flex; justify-content: space-between;
  font-family: var(--mono); font-size: 10px;
  color: rgba(242,237,228,0.55); letter-spacing: 0.08em; text-transform: uppercase;
}
.device-meta .red { color: var(--red-glow); }
.device-cap {
  position: absolute; top: 16px; left: 16px;
  font-family: var(--mono); font-size: 10px;
  color: rgba(242,237,228,0.55); letter-spacing: 0.08em; text-transform: uppercase;
}

/* ---------- funding bar ---------- */
.funding {
  padding: 28px 0;
  border-bottom: 1px solid var(--rule);
}
.funding-grid {
  display: grid;
  grid-template-columns: 2fr 1.2fr 1fr 1fr 1fr auto;
  gap: 24px;
  align-items: end;
}
.funding-progress { grid-column: 1 / 2; }
.bar {
  height: 6px; background: rgba(22,19,17,0.12); position: relative; margin-top: 12px;
}
.bar > div {
  position: absolute; left: 0; top: 0; bottom: 0; background: var(--ink);
}
.bar > div::after {
  content: ""; position: absolute; right: -2px; top: -4px; width: 2px; height: 14px; background: var(--red);
}
.stat { line-height: 1.1; }
.stat .v {
  font-family: var(--serif);
  font-size: 40px;
  letter-spacing: -0.01em;
  display: block;
  font-feature-settings: "tnum";
}
.stat .v.red { color: var(--red); }
.stat .l {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--muted); margin-top: 6px; display: block;
}
.pledge-cta {
  display: inline-flex; align-items: center; gap: 12px;
  background: var(--ink); color: var(--bg);
  padding: 16px 22px;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
  border-radius: 999px;
  transition: background .2s;
}
.pledge-cta:hover { background: var(--red); }
.pledge-cta .arrow { width: 22px; height: 1px; background: currentColor; position: relative; }
.pledge-cta .arrow::after { content: ""; position: absolute; right: 0; top: -3px; width: 7px; height: 7px; border-right: 1px solid currentColor; border-top: 1px solid currentColor; transform: rotate(45deg); }

/* ---------- section base ---------- */
section.block {
  padding: 96px 0;
  border-bottom: 1px solid var(--rule);
}
.section-head {
  display: grid;
  grid-template-columns: 1fr 4fr;
  gap: 64px;
  align-items: baseline;
  margin-bottom: 56px;
}
.section-head .label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.section-head .label .num { color: var(--red); margin-right: 10px; }
.section-head h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(36px, 5vw, 64px);
  line-height: 1;
  letter-spacing: -0.015em;
  margin: 0;
  max-width: 22ch;
  text-wrap: balance;
}
.section-head h2 em { font-style: italic; color: var(--red); }

/* ---------- story block ---------- */
.story-grid {
  display: grid;
  grid-template-columns: 1fr 4fr;
  gap: 64px;
}
.story-grid .aside {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  line-height: 1.6;
}
.story-grid .aside hr { border: 0; border-top: 1px solid var(--rule-soft); margin: 18px 0; }
.story-body {
  font-family: var(--serif);
  font-size: 22px;
  line-height: 1.42;
  letter-spacing: -0.003em;
  max-width: 38ch;
  text-wrap: pretty;
}
.story-body p + p { margin-top: 1em; }
.story-body em { font-style: italic; }
.story-body .lift {
  font-size: 32px; line-height: 1.2; color: var(--red); display: block; margin: 24px 0;
}
.story-body strong { font-weight: 400; background: linear-gradient(transparent 65%, rgba(200,49,43,0.18) 65%); }

/* ---------- science / data ---------- */
.science-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}
.fact {
  border-top: 1px solid var(--rule);
  padding-top: 18px;
  grid-column: span 3;
}
.fact .big {
  font-family: var(--serif);
  font-size: 72px;
  line-height: 0.95;
  letter-spacing: -0.02em;
  display: block;
}
.fact .big sup { font-size: 0.4em; vertical-align: top; }
.fact .big.red { color: var(--red); }
.fact .cap {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--muted); margin-top: 14px;
  max-width: 22ch;
  line-height: 1.5;
}
.fact .cap b { color: var(--ink); font-weight: 500; }

/* color comparison */
.color-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 64px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.color-cell {
  background: var(--paper);
  padding: 28px 22px 26px;
  display: flex; flex-direction: column; gap: 18px;
  min-height: 280px;
  position: relative;
}
.color-cell.winner { background: var(--ink); color: var(--bg); }
.color-cell.winner .swatch { box-shadow: 0 0 0 1px rgba(255,255,255,0.1) inset; }
.color-cell.winner .mono { color: var(--red-glow); }
.color-cell.winner .efficacy-bar { background: rgba(255,255,255,0.1); }
.color-cell.winner .efficacy-bar > div { background: var(--red-glow); }
.swatch {
  height: 92px; width: 100%; border-radius: 2px; position: relative; overflow: hidden;
}
.swatch.white { background: #F6F2EA; }
.swatch.blue { background: linear-gradient(135deg, #2B4F8E, #4C7BC9); }
.swatch.green { background: linear-gradient(135deg, #2F6E4B, #5BAA7E); }
.swatch.red { background: linear-gradient(135deg, #8E1F1B, #FF4A40); box-shadow: 0 0 24px rgba(255,74,64,0.4); }
.cell-name { font-family: var(--serif); font-size: 28px; line-height: 1; }
.cell-name em { font-style: italic; color: var(--red); }
.color-cell.winner .cell-name em { color: var(--red-glow); }
.cell-stat { font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }
.color-cell.winner .cell-stat { color: rgba(242,237,228,0.55); }
.efficacy-bar { height: 4px; background: rgba(22,19,17,0.1); position: relative; }
.efficacy-bar > div { position: absolute; left: 0; top: 0; bottom: 0; background: var(--ink); transition: width 0.6s ease; }
.winner-tag {
  position: absolute; top: 14px; right: 14px;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--red-glow);
  display: flex; align-items: center; gap: 6px;
}
.winner-tag::before { content: ""; width: 6px; height: 6px; background: var(--red-glow); border-radius: 50%; box-shadow: 0 0 8px var(--red-glow); }

/* ---------- pathway diagram ---------- */
.pathway {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}
.path-node {
  border: 1px solid var(--rule);
  padding: 28px;
  background: var(--paper);
  position: relative;
  min-height: 220px;
  display: flex; flex-direction: column; justify-content: space-between;
}
.path-node .n { font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--red); }
.path-node h4 { font-family: var(--serif); font-size: 36px; font-weight: 400; line-height: 1; letter-spacing: -0.01em; margin: 14px 0 0; }
.path-node h4 em { font-style: italic; }
.path-node .desc { font-size: 14px; line-height: 1.5; color: var(--ink-2); margin-top: 16px; max-width: 32ch; }
.path-node + .path-node::before {
  content: "→"; position: absolute; left: -16px; top: 50%; transform: translateY(-50%);
  font-family: var(--serif); font-size: 22px; color: var(--red);
}

/* ---------- 40hz flicker demo ---------- */
.flicker-demo {
  margin-top: 56px;
  border: 1px solid var(--rule);
  background: var(--paper);
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  min-height: 380px;
}
.flicker-controls {
  padding: 36px;
  display: flex; flex-direction: column; gap: 24px;
  border-right: 1px solid var(--rule);
}
.flicker-controls h3 { font-family: var(--serif); font-size: 32px; font-weight: 400; line-height: 1.05; margin: 0; letter-spacing: -0.01em; }
.flicker-controls h3 em { font-style: italic; color: var(--red); }
.flicker-controls p { font-size: 13px; line-height: 1.55; color: var(--ink-2); margin: 0; max-width: 32ch; }
.knob {
  display: flex; flex-direction: column; gap: 10px;
}
.knob .row { display: flex; justify-content: space-between; align-items: baseline; }
.knob .row .name { font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.knob .row .val { font-family: var(--serif); font-size: 22px; font-feature-settings: "tnum"; }
.knob .row .val em { color: var(--red); font-style: italic; }
input[type="range"] {
  -webkit-appearance: none; appearance: none;
  background: transparent; width: 100%; height: 18px;
}
input[type="range"]::-webkit-slider-runnable-track {
  height: 1px; background: var(--rule);
}
input[type="range"]::-moz-range-track {
  height: 1px; background: var(--rule);
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 14px; height: 14px; border-radius: 50%; background: var(--ink); margin-top: -7px; cursor: grab;
  transition: background .2s, transform .15s;
}
input[type="range"]:active::-webkit-slider-thumb { background: var(--red); transform: scale(1.2); cursor: grabbing; }
input[type="range"]::-moz-range-thumb { width: 14px; height: 14px; border-radius: 50%; background: var(--ink); border: 0; cursor: grab; }
.color-pick { display: flex; gap: 8px; }
.color-pick button {
  width: 28px; height: 28px; border-radius: 50%; border: 1px solid var(--rule); position: relative;
}
.color-pick button.active::after { content: ""; position: absolute; inset: -5px; border: 1px solid var(--ink); border-radius: 50%; }
.color-pick button[data-c="white"] { background: #F6F2EA; }
.color-pick button[data-c="blue"]  { background: #4C7BC9; }
.color-pick button[data-c="green"] { background: #5BAA7E; }
.color-pick button[data-c="red"]   { background: #C8312B; }

.flicker-stage {
  background: var(--ink);
  position: relative;
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.flicker-stage::before {
  content: "";
  position: absolute; inset: 0;
  background: repeating-linear-gradient(0deg, transparent 0 24px, rgba(255,255,255,0.018) 24px 25px);
}
.flicker-orb {
  width: 70%; aspect-ratio: 1; border-radius: 50%;
  transition: opacity 0.01s linear, background 0.4s, box-shadow 0.3s;
  position: relative;
}
.flicker-orb::after {
  content: ""; position: absolute; inset: 12%; border-radius: 50%;
  background: radial-gradient(circle at 50% 35%, rgba(255,255,255,0.4), transparent 55%);
  mix-blend-mode: screen;
}
.flicker-readout {
  position: absolute; top: 24px; left: 24px; right: 24px;
  display: flex; justify-content: space-between;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase;
  color: rgba(242,237,228,0.5);
}
.flicker-readout .live-dot { color: var(--red-glow); display: flex; align-items: center; gap: 6px; }
.flicker-readout .live-dot::before { content: ""; width: 6px; height: 6px; background: var(--red-glow); border-radius: 50%; box-shadow: 0 0 8px var(--red-glow); animation: pulse 1.6s infinite; }
.flicker-warning {
  position: absolute; bottom: 24px; left: 24px; right: 24px;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase;
  color: rgba(242,237,228,0.4);
}

/* ---------- timeline of effects ---------- */
.timeline {
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: 64px;
  margin-top: 56px;
}
.timeline ol { list-style: none; margin: 0; padding: 0; }
.timeline li {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  align-items: baseline;
  padding: 22px 0;
  border-top: 1px solid var(--rule-soft);
  gap: 32px;
}
.timeline li:last-child { border-bottom: 1px solid var(--rule-soft); }
.timeline .time { font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--red); }
.timeline .event { font-family: var(--serif); font-size: 26px; line-height: 1.15; letter-spacing: -0.005em; }
.timeline .event em { font-style: italic; }
.timeline .meta { font-family: var(--mono); font-size: 10px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); white-space: nowrap; }

/* ---------- hardware ---------- */
.hardware {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 64px;
}
.hw-img {
  aspect-ratio: 4/5;
  background: var(--ink);
  position: relative;
  overflow: hidden;
}
.hw-img::before {
  content: "";
  position: absolute; inset: 0;
  background: repeating-linear-gradient(45deg, transparent 0 22px, rgba(255,255,255,0.022) 22px 23px);
}
.hw-img-cap { position: absolute; top: 16px; left: 16px; font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; color: rgba(242,237,228,0.55); }
.hw-img-cap-r { position: absolute; bottom: 16px; right: 16px; font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; color: rgba(242,237,228,0.55); }
.hw-visor {
  position: absolute; left: 12%; right: 12%; top: 38%;
  height: 22%;
  background: linear-gradient(180deg, #C8312B, #6B1614);
  border-radius: 80px;
  box-shadow: 0 0 80px 12px rgba(200,49,43,0.45);
}
.hw-visor::before, .hw-visor::after {
  content: ""; position: absolute; top: 50%; transform: translateY(-50%);
  width: 30%; height: 60%; background: rgba(255,255,255,0.08); border-radius: 40px;
}
.hw-visor::before { left: 6%; }
.hw-visor::after { right: 6%; }
.hw-band {
  position: absolute; left: 28%; right: 28%; top: 30%; height: 4px;
  background: rgba(255,255,255,0.05);
}

.hw-specs { display: flex; flex-direction: column; gap: 0; }
.hw-specs h3 { font-family: var(--serif); font-weight: 400; font-size: 44px; line-height: 1; letter-spacing: -0.015em; margin: 0 0 28px; max-width: 14ch; }
.hw-specs h3 em { font-style: italic; color: var(--red); }
.spec-row {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  border-top: 1px solid var(--rule-soft);
  padding: 18px 0;
  gap: 24px;
  align-items: baseline;
}
.spec-row:last-child { border-bottom: 1px solid var(--rule-soft); }
.spec-row .k { font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.spec-row .v { font-family: var(--serif); font-size: 22px; line-height: 1.15; letter-spacing: -0.005em; }
.spec-row .v small { font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin-left: 8px; }

/* ---------- pledges ---------- */
.pledges {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}
.pledge {
  grid-column: span 4;
  border: 1px solid var(--rule);
  background: var(--paper);
  padding: 28px 26px 24px;
  display: flex; flex-direction: column; gap: 18px;
  position: relative;
  cursor: pointer;
  transition: background .2s, color .2s, transform .25s;
}
.pledge:hover { transform: translateY(-3px); }
.pledge.selected { background: var(--ink); color: var(--bg); }
.pledge.selected .mono { color: rgba(242,237,228,0.55); }
.pledge.selected .price-row .price { color: var(--red-glow); }
.pledge.selected .perk-list li { border-color: rgba(255,255,255,0.1); }
.pledge.selected .pledge-meta { background: rgba(255,255,255,0.04); }
.pledge.sold-out { opacity: 0.55; cursor: not-allowed; }
.pledge .tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--muted);
}
.pledge .tag.red { color: var(--red); }
.pledge.selected .tag.red { color: var(--red-glow); }
.pledge h3 { font-family: var(--serif); font-size: 32px; font-weight: 400; line-height: 1; letter-spacing: -0.01em; margin: 0; }
.pledge h3 em { font-style: italic; }
.pledge .price-row {
  display: flex; align-items: baseline; gap: 14px;
  border-top: 1px solid var(--rule-soft); border-bottom: 1px solid var(--rule-soft);
  padding: 14px 0;
}
.pledge.selected .price-row { border-color: rgba(255,255,255,0.1); }
.pledge .price-row .price { font-family: var(--serif); font-size: 44px; line-height: 1; letter-spacing: -0.02em; }
.pledge .price-row .currency { font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.pledge .price-row .strike { text-decoration: line-through; color: var(--muted); font-family: var(--serif); font-size: 18px; }
.perk-list { list-style: none; margin: 0; padding: 0; }
.perk-list li {
  padding: 10px 0;
  border-top: 1px solid var(--rule-soft);
  font-size: 13px;
  display: grid; grid-template-columns: 14px 1fr; gap: 12px;
  line-height: 1.45;
}
.perk-list li:first-child { border-top: 0; }
.perk-list li::before { content: "·"; color: var(--red); font-size: 22px; line-height: 0.5; }
.pledge-meta {
  display: flex; justify-content: space-between;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.06em; text-transform: uppercase;
  background: rgba(22,19,17,0.04);
  padding: 10px 12px;
  margin: 0 -26px -24px;
  border-top: 1px solid var(--rule-soft);
}
.pledge.selected .pledge-meta { border-color: rgba(255,255,255,0.1); }
.pledge-meta .left { color: var(--muted); }
.pledge-meta .right { color: var(--ink); }
.pledge.selected .pledge-meta .right { color: var(--bg); }
.pledge-availability {
  height: 2px; background: rgba(22,19,17,0.08); margin-top: 4px;
  position: relative;
}
.pledge-availability > div { position: absolute; left: 0; top: 0; bottom: 0; background: var(--red); }

.pledge.span-6 { grid-column: span 6; }
.pledge.span-12 { grid-column: span 12; }

.pledge-confirm {
  margin-top: 28px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 22px 28px;
  background: var(--ink); color: var(--bg);
  border-radius: 2px;
}
.pledge-confirm .label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: rgba(242,237,228,0.55); }
.pledge-confirm .name { font-family: var(--serif); font-size: 26px; margin-top: 4px; }
.pledge-confirm .total { font-family: var(--serif); font-size: 36px; letter-spacing: -0.01em; }
.pledge-confirm button {
  background: var(--red); color: var(--bg);
  padding: 14px 22px;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
  border-radius: 999px;
  transition: background .2s;
}
.pledge-confirm button:hover { background: var(--red-glow); }

/* ---------- stretch goals ---------- */
.stretch {
  display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap: 24px; margin-top: 24px;
}
.stretch-item {
  border-top: 1px solid var(--rule);
  padding-top: 18px;
  position: relative;
}
.stretch-item.locked { opacity: 0.45; }
.stretch-item .amt { font-family: var(--serif); font-size: 28px; letter-spacing: -0.01em; }
.stretch-item .name { font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; margin-top: 8px; max-width: 24ch; line-height: 1.5; }
.stretch-item .status { font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--red); margin-top: 14px; }
.stretch-item.locked .status { color: var(--muted); }

/* ---------- team ---------- */
.team {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.member {
  border: 1px solid var(--rule);
  background: var(--paper);
  padding: 24px;
}
.member-photo {
  aspect-ratio: 1/1;
  background: var(--ink);
  margin: -24px -24px 20px;
  position: relative;
  overflow: hidden;
}
.member-photo::before {
  content: "";
  position: absolute; inset: 0;
  background: repeating-linear-gradient(45deg, transparent 0 14px, rgba(255,255,255,0.03) 14px 15px);
}
.member-photo .ph {
  position: absolute; top: 16px; left: 16px;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; color: rgba(242,237,228,0.5);
}
.member h4 { font-family: var(--serif); font-size: 26px; font-weight: 400; line-height: 1; margin: 0; letter-spacing: -0.01em; }
.member .role { font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--red); margin-top: 8px; }
.member .bio { font-size: 13px; line-height: 1.5; color: var(--ink-2); margin-top: 14px; }

/* ---------- faq ---------- */
.faq-list { border-top: 1px solid var(--rule); }
.faq-item { border-bottom: 1px solid var(--rule); }
.faq-q {
  width: 100%;
  display: grid;
  grid-template-columns: 60px 1fr 30px;
  text-align: left;
  padding: 24px 0;
  align-items: baseline;
  gap: 24px;
  transition: color .2s;
}
.faq-q:hover { color: var(--red); }
.faq-q .num { font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; color: var(--muted); }
.faq-q .q { font-family: var(--serif); font-size: 26px; line-height: 1.15; letter-spacing: -0.005em; }
.faq-q .q em { font-style: italic; }
.faq-q .sign { font-family: var(--serif); font-size: 28px; line-height: 1; justify-self: end; transition: transform .25s; }
.faq-item.open .faq-q .sign { transform: rotate(45deg); color: var(--red); }
.faq-a {
  display: grid; grid-template-columns: 60px 1fr 30px; gap: 24px;
  max-height: 0; overflow: hidden;
  transition: max-height .35s ease, padding .35s ease;
}
.faq-item.open .faq-a { max-height: 400px; padding: 0 0 28px; }
.faq-a > div:nth-child(2) {
  font-size: 15px; line-height: 1.6; color: var(--ink-2); max-width: 64ch; text-wrap: pretty;
}

/* ---------- risks ---------- */
.risks-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 64px;
}
.risks-body { font-family: var(--serif); font-size: 22px; line-height: 1.45; max-width: 50ch; text-wrap: pretty; }
.risks-body p + p { margin-top: 1em; }
.risks-body em { font-style: italic; }
.risks-list { font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); line-height: 1.6; }
.risks-list hr { border: 0; border-top: 1px solid var(--rule-soft); margin: 14px 0; }
.risks-list b { color: var(--ink); font-weight: 500; }

/* ---------- footer ---------- */
footer {
  padding: 80px 0 40px;
  background: var(--ink);
  color: var(--bg);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 80px;
}
footer .wordmark { color: var(--bg); }
footer .tagline { font-family: var(--serif); font-style: italic; color: rgba(242,237,228,0.55); margin-top: 8px; }
.footer-col h5 { font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; color: rgba(242,237,228,0.5); font-weight: 500; margin: 0 0 18px; }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; font-size: 14px; }
.footer-col a:hover { color: var(--red-glow); }
.footer-bottom {
  display: flex; justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid rgba(242,237,228,0.12);
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase;
  color: rgba(242,237,228,0.4);
}
.footer-bottom .right { display: flex; gap: 24px; }

/* ---------- sticky pledge sidebar ---------- */
.sticky-pledge {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--ink); color: var(--bg);
  padding: 18px 22px;
  border-radius: 2px;
  display: flex; flex-direction: column; gap: 6px;
  z-index: 40;
  width: 280px;
  transform: translateY(120%);
  transition: transform .4s cubic-bezier(.2,.7,.2,1);
  box-shadow: 0 30px 60px -20px rgba(22,19,17,0.4);
}
.sticky-pledge.show { transform: translateY(0); }
.sticky-pledge .top { display: flex; justify-content: space-between; align-items: baseline; font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; color: rgba(242,237,228,0.55); }
.sticky-pledge .mid { font-family: var(--serif); font-size: 22px; line-height: 1.1; }
.sticky-pledge .bar { height: 3px; background: rgba(255,255,255,0.1); margin-top: 6px; }
.sticky-pledge .bar > div { height: 100%; background: var(--red); }
.sticky-pledge .row { display: flex; justify-content: space-between; align-items: center; margin-top: 8px; }
.sticky-pledge .row a {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase;
  background: var(--red); padding: 8px 12px; border-radius: 999px;
  transition: background .2s;
}
.sticky-pledge .row a:hover { background: var(--red-glow); }

/* ---------- therapeutic session (fullscreen) ---------- */
.session-trigger {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bg);
  background: rgba(22,19,17,0.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,180,170,0.45);
  padding: 14px 22px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: background .25s, color .25s, border-color .25s, transform .25s;
  z-index: 3;
  cursor: pointer;
}
.session-trigger:hover {
  background: var(--red);
  border-color: var(--red);
  color: var(--bg);
  transform: translate(-50%, -50%) scale(1.04);
}
.session-trigger::before {
  content: "";
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--red-glow);
  box-shadow: 0 0 10px var(--red-glow);
  animation: pulse 1.6s infinite;
}

/* secondary CTA below hero device */
.session-cta-row {
  display: flex; align-items: center; gap: 14px;
  margin-top: 20px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.session-cta-row a {
  color: var(--ink);
  border-bottom: 1px solid var(--red);
  padding-bottom: 1px;
  transition: color .2s;
}
.session-cta-row a:hover { color: var(--red); }

.session {
  position: fixed; inset: 0;
  background: #050000;
  z-index: 100;
  display: flex; align-items: center; justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.6s ease;
}
.session.show { opacity: 1; pointer-events: auto; }

.session-disc {
  width: min(62vmin, 720px);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 45%, #FF4A40 0%, #C8312B 28%, #6B1614 65%, #2A0808 100%);
  box-shadow:
    0 0 200px 60px rgba(200,49,43,0.35),
    0 0 400px 120px rgba(200,49,43,0.12);
  position: relative;
  transition: opacity 0.01s linear;
}
.session-disc::after {
  content: "";
  position: absolute; inset: 10%;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 35%, rgba(255,200,190,0.55), transparent 55%);
  mix-blend-mode: screen;
  pointer-events: none;
}

.session-top {
  position: absolute;
  top: 36px; left: 36px; right: 36px;
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,120,110,0.6);
}
.session-top .live { display: flex; align-items: center; gap: 8px; }
.session-top .live::before {
  content: "";
  width: 6px; height: 6px; border-radius: 50%;
  background: #FF4A40;
  box-shadow: 0 0 8px #FF4A40;
  animation: pulse 1.6s infinite;
}
.session-top .right { display: flex; gap: 28px; }

.session-bottom {
  position: absolute;
  bottom: 36px; left: 36px; right: 36px;
  display: flex; justify-content: space-between; align-items: flex-end;
  color: rgba(255,120,110,0.55);
}
.session-time {
  font-family: var(--serif);
  font-size: 64px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: #FF4A40;
  font-feature-settings: "tnum";
}
.session-time .small {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,120,110,0.45);
  display: block;
  margin-top: 8px;
}
.session-instruction {
  font-family: var(--serif);
  font-style: italic;
  font-size: 22px;
  line-height: 1.3;
  color: rgba(255,180,170,0.7);
  max-width: 26ch;
  text-align: right;
  text-wrap: pretty;
}

.session-exit {
  position: absolute;
  top: 36px;
  right: 36px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,120,110,0.5);
  border: 1px solid rgba(255,120,110,0.25);
  padding: 8px 14px;
  border-radius: 999px;
  transition: color .2s, border-color .2s;
}
.session-exit:hover { color: #FF4A40; border-color: rgba(255,74,64,0.5); }

@media (max-width: 720px) {
  .session-top, .session-bottom { left: 20px; right: 20px; }
  .session-top, .session-bottom { font-size: 9px; }
  .session-top .right { gap: 14px; }
  .session-time { font-size: 44px; }
  .session-instruction { font-size: 16px; }
}

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .hero-grid, .story-grid, .timeline, .hardware, .risks-grid, .section-head, .pledge-confirm { grid-template-columns: 1fr; gap: 32px; }
  .funding-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .funding-progress { grid-column: 1 / -1; }
  .pledge, .stretch-item, .member, .fact { grid-column: span 12 !important; }
  .pledges, .science-grid { grid-template-columns: 1fr; }
  .color-row, .pathway, .stretch, .team, .footer-grid { grid-template-columns: 1fr 1fr; }
  .flicker-demo { grid-template-columns: 1fr; }
  .masthead-meta { display: none; }
  .topbar .left, .topbar .right { gap: 14px; }
  .topbar .right span:not(.live) { display: none; }
  section.block { padding: 56px 0; }
  .sticky-pledge { display: none; }
}