/* ============================================================
   ALIVE — Rasmus Proof Page
   Extends alive.css brand tokens
   ============================================================ */

body.alive-proof-page {
  margin: 0;
  background: var(--alive-bg);
  color: var(--alive-paper);
  font-family: var(--alive-sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.alive-proof-page h1,
.alive-proof-page h2,
.alive-proof-page h3 {
  font-family: var(--alive-serif);
  font-weight: 500;
  margin: 0;
  letter-spacing: -0.02em;
}

.alive-proof-page .mono {
  font-family: var(--alive-mono);
  letter-spacing: 0.06em;
}

.alive-proof-page .wrap {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 clamp(24px, 5vw, 48px);
}

.alive-proof-page a { color: inherit; }

/* ── Nav ── */
.alive-proof-page nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 10, 12, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--alive-line);
}

.alive-proof-page nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.alive-proof-page .brand {
  font-family: var(--alive-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--alive-dim);
  text-transform: uppercase;
  text-decoration: none;
}

.alive-proof-page .brand b {
  color: var(--alive-paper);
  font-weight: 500;
}

/* ── Hero ── */
.alive-proof-page .hero {
  position: relative;
  padding: clamp(100px, 14vh, 140px) 0 40px;
  overflow: hidden;
}

.alive-proof-page .eyebrow {
  font-family: var(--alive-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--alive-dim);
  margin-bottom: 28px;
  display: block;
}

.alive-proof-page .hero h1 {
  font-size: clamp(38px, 5.2vw, 68px);
  line-height: 1.06;
  max-width: 920px;
}

.alive-proof-page .hero h1 em {
  font-style: italic;
  font-weight: 500;
}

.alive-proof-page .hero p.lede {
  max-width: 600px;
  font-size: 17px;
  line-height: 1.65;
  color: var(--alive-dim);
  margin-top: 28px;
}

.alive-proof-page .hero-cta {
  margin-top: 40px;
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}

.alive-proof-page .btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 24px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background 0.2s, border-color 0.2s;
}

.alive-proof-page .btn-primary {
  background: var(--alive-ignition);
  color: var(--alive-paper);
}

.alive-proof-page .btn-primary:hover { background: #e84e22; }

.alive-proof-page .btn-ghost {
  border-color: var(--alive-line-dim);
  color: var(--alive-paper);
}

.alive-proof-page .btn-ghost:hover {
  border-color: var(--alive-dim);
}

/* ── Wave visual: SEARCH → IDENTIFY → RESOLVE ── */
.alive-proof-page .wave-stage {
  position: relative;
  height: 300px;
  margin-top: 72px;
  border-top: 1px solid var(--alive-line);
}

.alive-proof-page .wave-stage svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.alive-proof-page .wave-label {
  position: absolute;
  font-family: var(--alive-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--alive-dim);
  z-index: 2;
}

.alive-proof-page .wl-post { left: 6%; top: 18%; }
.alive-proof-page .wl-boundary { left: 47%; top: 8%; color: var(--alive-signal); }
.alive-proof-page .wl-pool { right: 6%; top: 18%; text-align: right; }

.alive-proof-page .signal-point {
  fill: var(--alive-dim);
  opacity: 0.5;
}

.alive-proof-page .signal-line-draw {
  stroke: var(--alive-signal);
  stroke-width: 1.5;
  fill: none;
  stroke-dasharray: 600;
  stroke-dashoffset: 600;
  transition: stroke-dashoffset 1.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.alive-proof-page .wave-stage.in-view .signal-line-draw {
  stroke-dashoffset: 0;
}

.alive-proof-page .pool-fill {
  opacity: 0;
  transition: opacity 1s cubic-bezier(0.22, 1, 0.36, 1) 0.6s;
}

.alive-proof-page .wave-stage.in-view .pool-fill { opacity: 1; }

.alive-proof-page .pool-edge {
  fill: none;
  stroke: var(--alive-signal);
  stroke-width: 1.5;
  opacity: 0.6;
}

.alive-proof-page .entry-point {
  fill: var(--alive-signal);
}

/* ── Sections ── */
.alive-proof-page section {
  padding: clamp(80px, 11vh, 120px) 0;
}

.alive-proof-page .section-head {
  max-width: 640px;
  margin-bottom: 56px;
}

.alive-proof-page .kicker {
  font-family: var(--alive-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--alive-dim);
  display: block;
  margin-bottom: 16px;
}

.alive-proof-page .kicker.on-dark { color: var(--alive-signal); }

.alive-proof-page .section-head h2 {
  font-size: clamp(26px, 3vw, 38px);
  line-height: 1.2;
  color: var(--alive-paper);
}

.alive-proof-page .section-head p {
  color: var(--alive-dim);
  font-size: 15px;
  line-height: 1.65;
  margin-top: 16px;
}

.alive-proof-page .text-signal { color: var(--alive-signal); }

/* ── Architecture ── */
.alive-proof-page .arch {
  display: flex;
  align-items: stretch;
  flex-wrap: wrap;
  border: 1px solid var(--alive-line);
  overflow: hidden;
}

.alive-proof-page .arch-step {
  flex: 1 1 0;
  min-width: 190px;
  padding: 28px 24px;
  border-right: 1px solid var(--alive-line);
  position: relative;
}

.alive-proof-page .arch-step:last-child { border-right: none; }

.alive-proof-page .arch-step.highlight {
  background: var(--alive-signal-dim);
  border-color: var(--alive-signal);
}

.alive-proof-page .arch-step .num {
  font-family: var(--alive-mono);
  font-size: 10px;
  color: var(--alive-dim);
  letter-spacing: 0.1em;
}

.alive-proof-page .arch-step h3 {
  font-size: 17px;
  margin-top: 14px;
  color: var(--alive-paper);
  font-weight: 500;
}

.alive-proof-page .arch-step.highlight h3 { color: var(--alive-signal); }

.alive-proof-page .arch-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  color: var(--alive-dim);
  font-size: 16px;
  background: var(--alive-bg-2);
}

/* ── Proof / stats ── */
.alive-proof-page .proof {
  background: var(--alive-bg-2);
  border-top: 1px solid var(--alive-line);
  border-bottom: 1px solid var(--alive-line);
}

.alive-proof-page .stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--alive-line);
  border: 1px solid var(--alive-line);
  overflow: hidden;
}

.alive-proof-page .stat {
  background: var(--alive-surface);
  padding: 32px 26px;
}

.alive-proof-page .stat .n {
  font-family: var(--alive-serif);
  font-size: clamp(36px, 4vw, 48px);
  color: var(--alive-paper);
  font-weight: 500;
  letter-spacing: -0.02em;
}

.alive-proof-page .stat .l {
  font-family: var(--alive-mono);
  font-size: 10px;
  color: var(--alive-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 8px;
}

.alive-proof-page .meta-row {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 24px;
  font-size: 13px;
  color: var(--alive-dim);
  line-height: 1.55;
}

/* ── Funnel ── */
.alive-proof-page .funnel {
  display: flex;
  align-items: flex-end;
  gap: 14px;
  margin-top: 56px;
}

.alive-proof-page .fcol {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.alive-proof-page .badge-slot {
  height: 104px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
}

.alive-proof-page .pct-badge {
  background: var(--alive-ignition);
  color: var(--alive-paper);
  padding: 14px 20px 10px;
  text-align: center;
}

.alive-proof-page .pct-badge .num {
  font-family: var(--alive-serif);
  font-weight: 600;
  font-size: 28px;
  line-height: 1;
}

.alive-proof-page .pct-badge .lbl {
  font-family: var(--alive-mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: 5px;
}

.alive-proof-page .pct-arrow {
  color: var(--alive-dim);
  font-size: 16px;
  margin-top: 8px;
}

.alive-proof-page .fbar {
  flex: 1;
  width: 100%;
  background: var(--alive-surface);
  border: 1px solid var(--alive-line);
  border-bottom: none;
  padding: 16px 14px;
  text-align: center;
  margin-top: 14px;
}

.alive-proof-page .fbar .q {
  font-family: var(--alive-mono);
  font-size: 10px;
  color: var(--alive-dim);
  letter-spacing: 0.08em;
}

.alive-proof-page .fbar .v {
  font-family: var(--alive-serif);
  font-size: 26px;
  margin-top: 6px;
  color: var(--alive-paper);
}

.alive-proof-page .fbar .s {
  font-size: 10px;
  color: var(--alive-dim);
  margin-top: 2px;
}

/* ── Position cards ── */
.alive-proof-page .cards3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--alive-line);
  border: 1px solid var(--alive-line);
  overflow: hidden;
}

.alive-proof-page .pcard {
  background: var(--alive-surface);
  padding: 36px 28px;
  min-height: 180px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.alive-proof-page .pcard.hero-card {
  background: var(--alive-signal-dim);
  border-left: 1px solid var(--alive-signal);
}

.alive-proof-page .pcard h3 {
  font-size: 20px;
  color: var(--alive-paper);
}

.alive-proof-page .pcard span {
  font-size: 13px;
  color: var(--alive-dim);
  font-style: italic;
  margin-top: 12px;
  display: block;
}

.alive-proof-page .pcard.hero-card span { color: var(--alive-signal); }

.alive-proof-page .flow-final {
  margin-top: 28px;
  border: 1px solid var(--alive-line);
  padding: 26px 30px;
  background: var(--alive-bg-2);
  text-align: center;
  font-family: var(--alive-serif);
  font-size: 17px;
  color: var(--alive-paper);
}

/* ── Closing ── */
.alive-proof-page .closing { text-align: left; }

.alive-proof-page .closing h2 {
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.18;
  max-width: 820px;
}

.alive-proof-page .closing h2 .accent { color: var(--alive-paper); font-style: italic; }

.alive-proof-page .closing .rule {
  width: 48px;
  height: 2px;
  background: var(--alive-ignition);
  margin: 30px 0;
}

.alive-proof-page .closing p {
  max-width: 640px;
  color: var(--alive-dim);
  font-size: 15px;
  line-height: 1.65;
}

.alive-proof-page .closing-cta {
  margin-top: 44px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  border-top: 1px solid var(--alive-line);
  padding-top: 34px;
}

.alive-proof-page .closing-brand h3 { font-size: 22px; }

.alive-proof-page .closing-brand p {
  margin-top: 6px;
  color: var(--alive-dim);
  font-size: 14px;
  font-style: italic;
}

.alive-proof-page footer {
  padding: 32px 0;
  border-top: 1px solid var(--alive-line);
  font-family: var(--alive-mono);
  font-size: 11px;
  color: var(--alive-dim);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.alive-proof-page footer a { transition: color 0.2s; }
.alive-proof-page footer a:hover { color: var(--alive-paper); }

/* ── Principle / strategy ── */
.alive-proof-page .principle-quote {
  border: 1px solid var(--alive-line);
  background: var(--alive-surface);
  padding: 34px 38px;
  font-family: var(--alive-serif);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(19px, 2.2vw, 24px);
  color: var(--alive-paper);
  line-height: 1.4;
  margin-bottom: 28px;
}

.alive-proof-page .principle-note {
  max-width: 760px;
  color: var(--alive-dim);
  font-size: 15px;
  line-height: 1.65;
  margin-bottom: 44px;
}

.alive-proof-page .chiprow {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: stretch;
}

.alive-proof-page .chip {
  flex: 1 1 150px;
  background: var(--alive-surface);
  border: 1px solid var(--alive-line);
  padding: 18px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--alive-paper);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  line-height: 1.35;
}

.alive-proof-page .chip.cap {
  background: var(--alive-ignition);
  color: var(--alive-paper);
  font-weight: 600;
  border-color: transparent;
}

.alive-proof-page .chip.dim { background: transparent; }

.alive-proof-page .chip-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--alive-dim);
  font-size: 14px;
  padding: 0 2px;
}

.alive-proof-page .footnote-line {
  font-family: var(--alive-serif);
  font-style: italic;
  font-size: 16px;
  color: var(--alive-paper);
  margin-top: 26px;
}

.alive-proof-page .strategy-flow { margin: 36px 0; }

.alive-proof-page .strategy-flow .row-label {
  font-family: var(--alive-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--alive-dim);
  margin-bottom: 10px;
}

.alive-proof-page .strategy-flow .row-label.on { color: var(--alive-signal); }

.alive-proof-page .strategy-row {
  display: flex;
  gap: 8px;
  margin-bottom: 26px;
  flex-wrap: wrap;
}

.alive-proof-page .strategy-row .chip {
  flex: 1 1 110px;
  padding: 14px 10px;
  font-size: 12px;
}

.alive-proof-page .wave-callout {
  border-left: 2px solid var(--alive-signal);
  padding: 20px 28px;
  font-family: var(--alive-serif);
  font-style: italic;
  font-size: 16px;
  color: var(--alive-paper);
  margin-top: 8px;
  background: var(--alive-signal-dim);
}

.alive-proof-page .equation {
  display: flex;
  align-items: stretch;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 44px;
}

.alive-proof-page .eq-box {
  flex: 1 1 200px;
  background: var(--alive-surface);
  border: 1px solid var(--alive-line);
  padding: 24px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 14px;
  font-weight: 500;
  color: var(--alive-paper);
}

.alive-proof-page .eq-box.result {
  background: var(--alive-signal-dim);
  border-color: var(--alive-signal);
  flex: 1.4 1 260px;
  font-weight: 600;
}

.alive-proof-page .eq-sym {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--alive-serif);
  font-size: 24px;
  color: var(--alive-dim);
  padding: 0 4px;
  flex: 0 0 auto;
}

.alive-proof-page .hypothesis-tag {
  font-family: var(--alive-mono);
  font-size: 10px;
  color: var(--alive-dim);
  font-style: normal;
  margin-top: 14px;
  line-height: 1.5;
}

.alive-proof-page .positioning-box {
  margin-top: 36px;
  border: 1px solid var(--alive-line);
  padding: 30px 34px;
  background: var(--alive-bg-2);
}

.alive-proof-page .positioning-box .kicker { margin-bottom: 14px; }

.alive-proof-page .positioning-box p {
  font-family: var(--alive-serif);
  font-style: italic;
  font-size: 17px;
  color: var(--alive-paper);
  line-height: 1.5;
  margin: 0;
}

.alive-proof-page .proof-lead {
  max-width: 760px;
  color: var(--alive-dim);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 36px;
  padding: 20px 0 20px 22px;
  border-left: 1px solid var(--alive-signal);
}

/* ── Responsive ── */
@media (max-width: 820px) {
  .alive-proof-page .stat-row { grid-template-columns: repeat(2, 1fr); }
  .alive-proof-page .cards3 { grid-template-columns: 1fr; }
  .alive-proof-page .arch { flex-direction: column; }
  .alive-proof-page .arch-arrow { width: 100%; height: 28px; }
  .alive-proof-page .arch-step { border-right: none; border-bottom: 1px solid var(--alive-line); }
  .alive-proof-page .funnel { flex-wrap: wrap; }
  .alive-proof-page .chiprow { flex-direction: column; }
  .alive-proof-page .chip-arrow { transform: rotate(90deg); }
  .alive-proof-page .equation { flex-direction: column; }
  .alive-proof-page .eq-sym { transform: rotate(90deg); padding: 6px 0; }
}

@media (prefers-reduced-motion: reduce) {
  .alive-proof-page .signal-line-draw,
  .alive-proof-page .pool-fill {
    transition: none !important;
    stroke-dashoffset: 0 !important;
    opacity: 1 !important;
  }
}