/* PROOF Liskov Features — application outcomes above raw compute. */

.features-hero .wrap { min-height: 740px; }
.features-hero .hero-cable { right: -250px; opacity: 0.72; }

.features-hero h1 {
  max-width: 1020px;
  font-size: clamp(54px, 7.2vw, 94px);
  line-height: 0.98;
}

.features-hero h1 em {
  color: var(--beacon);
  font-style: normal;
}

.features-hero-lede {
  max-width: 800px;
  margin: 27px 0 0;
  color: rgba(247, 248, 250, 0.74);
  font-size: 20px;
  line-height: 1.58;
}

/* ---------- Value chain ---------- */

.value-section { background: #fff; }

.value-chain {
  display: grid;
  grid-template-columns: minmax(210px, 0.72fr) 52px minmax(360px, 1.2fr) 52px minmax(230px, 0.78fr);
  align-items: stretch;
}

.value-stage {
  min-height: 360px;
  padding: 30px;
  border: 1px solid var(--smoke);
  border-radius: 20px;
  background: var(--frost);
}

.value-stage--platform {
  border-color: rgba(255, 106, 44, 0.42);
  background: var(--ink);
  color: var(--frost);
  box-shadow: 0 24px 70px rgba(14, 18, 24, 0.13);
}

.value-stage--applications { background: var(--beacon); }

.value-stage-label {
  color: var(--beacon);
  font: 700 10px/1 "JetBrains Mono", monospace;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.value-stage--applications .value-stage-label { color: var(--ink); }

.value-stage h3 {
  margin: 42px 0 10px;
  font: 700 29px/1.05 "Space Grotesk", sans-serif;
  letter-spacing: -0.035em;
}

.value-stage p {
  margin: 0;
  color: var(--steel);
  font-size: 14px;
  line-height: 1.55;
}

.value-stage--platform p { color: rgba(247, 248, 250, 0.62); }
.value-stage--applications p { color: rgba(14, 18, 24, 0.72); }

.value-stage ul {
  display: grid;
  gap: 8px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
}

.value-stage li {
  padding: 9px 11px;
  border: 1px solid var(--smoke);
  border-radius: 9px;
  background: #fff;
  color: var(--steel);
  font: 600 12px/1.25 "Space Grotesk", sans-serif;
}

.value-stage--applications li {
  border-color: rgba(14, 18, 24, 0.14);
  background: rgba(247, 248, 250, 0.18);
  color: var(--ink);
}

.platform-layer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 31px;
}

.platform-layer-grid span {
  display: grid;
  min-height: 50px;
  place-items: center;
  padding: 9px;
  border: 1px solid rgba(247, 248, 250, 0.12);
  border-radius: 10px;
  background: rgba(247, 248, 250, 0.045);
  color: rgba(247, 248, 250, 0.82);
  font: 600 11px/1.25 "Space Grotesk", sans-serif;
  text-align: center;
}

.value-arrow {
  display: grid;
  place-items: center;
}

.value-arrow span {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border-radius: 50%;
  background: var(--beacon-tint);
  color: var(--beacon);
  font: 700 17px/1 "Space Grotesk", sans-serif;
}

/* ---------- Enablers ---------- */

.features-section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 48px;
  align-items: end;
  margin-bottom: 44px;
}

.features-section-head .section-title { margin-bottom: 0; }

.feature-legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 14px;
  padding-bottom: 5px;
}

.feature-legend span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--steel);
  font: 600 11px/1 "Space Grotesk", sans-serif;
}

.legend-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

.legend-dot--available { background: #27b565; }
.legend-dot--advancing { background: var(--beacon); }
.legend-dot--roadmap { background: var(--stone); }

.enabler-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.enabler-card {
  display: flex;
  min-height: 370px;
  flex-direction: column;
  padding: 28px;
  border: 1px solid var(--smoke);
  border-radius: 18px;
  background: #fff;
}

.enabler-card--future { background: var(--frost); }

.enabler-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.enabler-state {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 9px;
  border: 1px solid var(--smoke);
  border-radius: 999px;
  color: var(--steel);
  font: 700 9px/1 "JetBrains Mono", monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.enabler-state i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--stone);
}

.enabler-state--available {
  border-color: rgba(21, 128, 61, 0.22);
  background: rgba(21, 128, 61, 0.07);
  color: #15803d;
}

.enabler-state--available i { background: #27b565; }

.enabler-state--advancing {
  border-color: rgba(255, 106, 44, 0.3);
  background: var(--beacon-tint);
  color: var(--beacon);
}

.enabler-state--advancing i { background: var(--beacon); }

.enabler-index {
  color: var(--stone);
  font: 700 10px/1 "JetBrains Mono", monospace;
  letter-spacing: 0.1em;
}

.enabler-card > svg {
  width: 56px;
  height: 56px;
  margin: 38px 0 24px;
  fill: none;
  stroke: var(--beacon);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.enabler-card h3 {
  margin: 0;
  font: 700 24px/1.08 "Space Grotesk", sans-serif;
  letter-spacing: -0.03em;
}

.enabler-card p {
  margin: 13px 0 22px;
  color: var(--steel);
  font-size: 14.5px;
  line-height: 1.58;
}

.enabler-card small {
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid var(--smoke);
  color: var(--beacon);
  font: 700 10px/1.3 "JetBrains Mono", monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.feature-status-note {
  max-width: 900px;
  margin: 27px 0 0;
  color: var(--steel);
  font-size: 13px;
  line-height: 1.55;
}

.feature-status-note a {
  color: var(--ink);
  font-weight: 700;
  text-underline-offset: 4px;
}

/* ---------- Application patterns ---------- */

.applications-section { background: var(--ink); color: var(--frost); }
.applications-section .section-label { color: var(--frost); }
.applications-section .section-lede { color: rgba(247, 248, 250, 0.67); }

.application-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.application-card {
  display: flex;
  min-height: 390px;
  flex-direction: column;
  padding: 29px;
  border: 1px solid rgba(247, 248, 250, 0.12);
  border-radius: 18px;
  background: rgba(247, 248, 250, 0.035);
}

.application-card--available {
  border-color: rgba(255, 106, 44, 0.34);
  background: rgba(255, 106, 44, 0.055);
}

.application-card-top {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: flex-start;
}

.application-card-top > span {
  color: var(--beacon);
  font: 700 10px/1 "JetBrains Mono", monospace;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.application-card-top svg {
  width: 42px;
  height: 42px;
  fill: none;
  stroke: var(--beacon);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.application-card h3 {
  margin: 38px 0 13px;
  font: 700 26px/1.08 "Space Grotesk", sans-serif;
  letter-spacing: -0.03em;
}

.application-card > p {
  margin: 0;
  color: rgba(247, 248, 250, 0.68);
  font-size: 14.5px;
  line-height: 1.58;
}

.application-examples {
  margin-top: 18px;
  color: rgba(247, 248, 250, 0.9);
  font: 600 12px/1.45 "Space Grotesk", sans-serif;
}

.application-card ul {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: auto 0 0;
  padding: 23px 0 0;
  list-style: none;
}

.application-card li {
  padding: 6px 9px;
  border: 1px solid rgba(247, 248, 250, 0.14);
  border-radius: 999px;
  color: rgba(247, 248, 250, 0.68);
  font: 600 10.5px/1 "Space Grotesk", sans-serif;
}

/* ---------- Value compounding ---------- */

.compounding-section { background: var(--beacon); }

.compounding-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(440px, 1.1fr);
  gap: 80px;
  align-items: center;
}

.compounding-section .section-label::before { background: var(--ink); }
.compounding-section .section-title em { color: var(--frost); }
.compounding-section .section-lede { margin-bottom: 0; color: rgba(14, 18, 24, 0.72); }

.value-ladder {
  overflow: hidden;
  margin: 0;
  padding: 0;
  border: 1px solid rgba(14, 18, 24, 0.17);
  border-radius: 20px;
  background: rgba(247, 248, 250, 0.13);
  list-style: none;
}

.value-ladder li {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 18px;
  padding: 23px 27px;
  border-top: 1px solid rgba(14, 18, 24, 0.14);
}

.value-ladder li:first-child { border-top: 0; }

.value-ladder li > span {
  color: rgba(14, 18, 24, 0.5);
  font: 700 10px/1 "JetBrains Mono", monospace;
  letter-spacing: 0.1em;
}

.value-ladder strong {
  display: block;
  color: var(--ink);
  font: 700 20px/1 "Space Grotesk", sans-serif;
}

.value-ladder p {
  margin: 7px 0 0;
  color: rgba(14, 18, 24, 0.68);
  font-size: 14px;
  line-height: 1.5;
}

.features-cta { background: var(--hull); }

@media (max-width: 1040px) {
  .value-chain { grid-template-columns: minmax(180px, 0.72fr) 38px minmax(300px, 1.2fr) 38px minmax(190px, 0.78fr); }
  .value-stage { padding: 24px; }
  .value-stage h3 { font-size: 25px; }
  .enabler-grid,
  .application-grid { grid-template-columns: repeat(2, 1fr); }
  .compounding-grid { gap: 48px; }
}

@media (max-width: 880px) {
  .features-hero .wrap { min-height: 0; }
  .features-hero .hero-cable { right: -380px; opacity: 0.58; }
  .features-hero h1 { font-size: clamp(42px, 12vw, 58px); }
  .features-hero-lede { font-size: 17px; }
  .value-chain { grid-template-columns: 1fr; gap: 12px; }
  .value-arrow { min-height: 34px; }
  .value-arrow span { transform: rotate(90deg); }
  .value-stage { min-height: 0; }
  .features-section-head,
  .compounding-grid { grid-template-columns: 1fr; }
  .features-section-head,
  .compounding-grid { gap: 34px; }
  .feature-legend { justify-content: flex-start; }
  .enabler-grid,
  .application-grid { grid-template-columns: 1fr; }
  .enabler-card,
  .application-card { min-height: 0; }
}

@media (max-width: 600px) {
  .features-hero h1 { font-size: clamp(38px, 11.5vw, 50px); }
  .value-stage,
  .enabler-card,
  .application-card { padding: 25px; }
  .platform-layer-grid { grid-template-columns: repeat(2, 1fr); }
  .value-stage h3 { margin-top: 32px; }
  .enabler-card > svg { margin-top: 32px; }
  .application-card h3 { margin-top: 30px; }
  .value-ladder li { grid-template-columns: 32px 1fr; padding: 21px; }
}