:root {
  --navy: #07111f;
  --midnight: #0b1628;
  --panel: rgba(16, 19, 24, 0.84);
  --panel-2: rgba(11, 22, 40, 0.80);
  --gold: #d9b45a;
  --soft-gold: #f0d98a;
  --teal: #3dd6d0;
  --text: #f4f1e8;
  --muted: rgba(244, 241, 232, 0.74);
  --line: rgba(217, 180, 90, 0.28);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Inter, Arial, Helvetica, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 50% 0%, rgba(217, 180, 90, 0.18), transparent 28rem),
    radial-gradient(circle at 82% 18%, rgba(61, 214, 208, 0.10), transparent 22rem),
    linear-gradient(180deg, var(--navy), #03070d 78%);
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(217, 180, 90, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(217, 180, 90, 0.04) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, black, transparent 75%);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  padding: 0.45rem clamp(1rem, 4vw, 4rem);
  background: rgba(7, 17, 31, 0.86);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}

.brand {
  color: var(--text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-width: 0;
}

.brand-logo {
  width: 2.15rem;
  height: 2.15rem;
  border-radius: 50%;
  border: 1px solid var(--line);
  object-fit: contain;
  padding: 0.18rem;
  background: #05080e;
  box-shadow: 0 0 18px rgba(217, 180, 90, 0.18);
  flex: 0 0 auto;
}

.brand strong {
  display: block;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--soft-gold);
  font-size: 0.98rem;
}


.brand.symbol-only {
  width: 5.4rem;
  height: 5.4rem;
  justify-content: center;
  border: 0;
  border-radius: 50%;
  background: transparent;
  box-shadow: none;
  flex: 0 0 auto;
}

.brand.symbol-only .brand-logo {
  width: 5.1rem;
  height: 5.1rem;
  border: 0;
  padding: 0;
  background: transparent;
  box-shadow: none;
  object-fit: contain;
  border-radius: 50%;
}

.brand small {
  display: block;
  color: var(--muted);
  font-size: 0.68rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

nav {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.88rem;
}

nav a:hover { color: var(--soft-gold); }

.nav-cta {
  padding: 0.65rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 999px;
}

main { overflow: hidden; }

.hero {
  min-height: 88vh;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(18rem, 0.98fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
  padding: clamp(4rem, 8vw, 8rem) clamp(1rem, 6vw, 6rem);
}

.hero h1,
.section h2 {
  font-family: Georgia, "Times New Roman", serif;
  color: var(--soft-gold);
  line-height: 0.96;
  letter-spacing: -0.045em;
}

.hero h1 {
  font-size: clamp(3.15rem, 8vw, 7.6rem);
  margin: 0.4rem 0 1.25rem;
}

.section h2 {
  font-size: clamp(2.15rem, 5vw, 4.8rem);
  margin: 0.35rem 0 1rem;
}

.lead {
  color: var(--text);
  font-size: clamp(1.18rem, 2vw, 1.7rem);
  line-height: 1.52;
  max-width: 46rem;
}

.plain {
  max-width: 42rem;
}

.eyebrow {
  color: var(--teal);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.78rem;
  font-weight: 700;
}

.microcopy,
p,
li {
  color: var(--muted);
  line-height: 1.75;
  font-size: 1rem;
}

.button-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin: 2rem 0 1rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.85rem 1.15rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
}

.button.primary {
  background: linear-gradient(135deg, var(--gold), var(--soft-gold));
  color: #07111f;
  box-shadow: 0 12px 45px rgba(217, 180, 90, 0.22);
}

.button.secondary,
.button.disabled {
  color: var(--soft-gold);
  border: 1px solid var(--line);
  background: rgba(217, 180, 90, 0.06);
}

.button.disabled {
  cursor: not-allowed;
  opacity: 0.82;
}

.hero-visual {
  margin: 0;
  max-width: 46rem;
  border: 1px solid var(--line);
  border-radius: 2rem;
  background: var(--panel);
  overflow: hidden;
  box-shadow: 0 30px 90px rgba(0,0,0,0.34);
}

.hero-visual img {
  display: block;
  width: 100%;
  height: auto;
}

.hero-visual figcaption {
  color: var(--soft-gold);
  padding: 1rem 1.25rem 1.2rem;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-align: center;
  border-top: 1px solid var(--line);
}

.section {
  padding: clamp(4rem, 8vw, 7rem) clamp(1rem, 6vw, 6rem);
}

.intro-grid,
.math-section,
.demo-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}

.copy-card,
.card,
.boundary,
.contact,
.math-card {
  border: 1px solid var(--line);
  border-radius: 1.4rem;
  background: var(--panel);
  padding: clamp(1.5rem, 3vw, 2.5rem);
}

.benefit-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.benefit-strip article {
  border: 1px solid var(--line);
  border-radius: 1.4rem;
  background: var(--panel-2);
  padding: 1.35rem;
}

.benefit-strip span {
  color: var(--teal);
  font-weight: 800;
  letter-spacing: 0.14em;
}

.benefit-strip h3,
.card h3 {
  color: var(--soft-gold);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.45rem;
}

.math-card {
  background:
    radial-gradient(circle at 80% 20%, rgba(61, 214, 208, 0.08), transparent 15rem),
    var(--panel);
}

.equation {
  display: grid;
  gap: 0.7rem;
  margin-bottom: 1.4rem;
}

.equation strong {
  display: inline-block;
  color: var(--soft-gold);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.8rem, 4vw, 3.4rem);
}

.equation span {
  color: var(--muted);
}

.safe-note {
  font-size: 0.9rem;
  color: rgba(244, 241, 232, 0.62);
  border-top: 1px solid var(--line);
  padding-top: 1rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.1rem;
}

.screen-stack {
  border: 1px solid var(--line);
  border-radius: 1.4rem;
  overflow: hidden;
  background: var(--panel);
  box-shadow: 0 30px 90px rgba(0,0,0,0.30);
}

.screen-stack img {
  display: block;
  width: 100%;
  height: auto;
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 1.4rem 0 0;
}

.check-list li {
  margin: 0.65rem 0;
  padding-left: 1.7rem;
  position: relative;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--teal);
}

.boundary {
  max-width: 62rem;
  margin: 0 auto;
}

.contact {
  max-width: 58rem;
  margin: 0 auto;
  text-align: center;
}

.closing {
  text-align: center;
  padding-top: 2rem;
}

.closing p {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 5vw, 4.2rem);
  color: var(--soft-gold);
  line-height: 1.18;
}

@media (max-width: 960px) {
  .brand.symbol-only {
  width: 5.4rem;
  height: 5.4rem;
  justify-content: center;
  border: 0;
  border-radius: 50%;
  background: transparent;
  box-shadow: none;
  flex: 0 0 auto;
}

.brand.symbol-only .brand-logo {
  width: 5.1rem;
  height: 5.1rem;
  border: 0;
  padding: 0;
  background: transparent;
  box-shadow: none;
  object-fit: contain;
  border-radius: 50%;
}
}


.rhythm-section {
  text-align: center;
  padding-top: clamp(3.5rem, 6vw, 5rem);
  padding-bottom: clamp(3.5rem, 6vw, 5rem);
}

.rhythm-section h2 {
  max-width: 52rem;
  margin-left: auto;
  margin-right: auto;
}

.rhythm-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}

.rhythm-flow article {
  border: 1px solid var(--line);
  border-radius: 1.25rem;
  background: rgba(11, 22, 40, 0.74);
  padding: 1.25rem;
  text-align: left;
}

.rhythm-flow span {
  color: var(--teal);
  font-weight: 800;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
}

.rhythm-flow h3 {
  color: var(--soft-gold);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.35rem;
  margin-bottom: 0.35rem;
}

@media (max-width: 960px) {
  .brand.symbol-only {
    width: 4.4rem;
    height: 4.4rem;
  }

  .brand.symbol-only .brand-logo {
    width: 4.1rem;
    height: 4.1rem;
  }

  .rhythm-flow {
    grid-template-columns: 1fr;
  }
}


/* v2.6 left-brain-to-right-brain narrative path */
.narrative-hero {
  background:
    radial-gradient(circle at 18% 20%, rgba(26, 89, 114, 0.30), transparent 28rem),
    radial-gradient(circle at 82% 22%, rgba(217, 180, 90, 0.16), transparent 26rem);
}

.split-story {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(1rem, 4vw, 2rem);
}

.left-brain-panel,
.right-brain-panel {
  border: 1px solid var(--line);
  border-radius: 1.5rem;
  padding: clamp(1.5rem, 4vw, 2.6rem);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.22);
}

.left-brain-panel {
  background:
    radial-gradient(circle at 12% 15%, rgba(198, 79, 88, 0.12), transparent 14rem),
    rgba(7, 17, 31, 0.82);
}

.right-brain-panel {
  background:
    radial-gradient(circle at 88% 18%, rgba(217, 180, 90, 0.16), transparent 16rem),
    radial-gradient(circle at 70% 82%, rgba(20, 184, 166, 0.12), transparent 14rem),
    rgba(9, 27, 42, 0.82);
}

.soft-line {
  color: rgba(240, 217, 138, 0.88);
  font-size: 1.08rem;
}

.chapter-flow-section {
  text-align: center;
  background:
    linear-gradient(180deg, rgba(7, 17, 31, 0), rgba(20, 184, 166, 0.05), rgba(7, 17, 31, 0));
}

.section-intro {
  max-width: 52rem;
  margin: 0 auto 2rem;
  font-size: 1.08rem;
}

.chapter-flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.9rem;
  margin-top: 2rem;
  text-align: left;
}

.chapter-flow article {
  border: 1px solid var(--line);
  border-radius: 1.35rem;
  padding: 1.25rem;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.025));
}

.chapter-flow span,
.value-proof-card span {
  display: inline-block;
  color: var(--teal);
  font-weight: 800;
  letter-spacing: 0.18em;
  font-size: 0.76rem;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
}

.chapter-flow h3,
.value-proof-card h3 {
  color: var(--soft-gold);
  font-family: Georgia, "Times New Roman", serif;
}

.value-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(1.5rem, 5vw, 4rem);
  align-items: start;
  background:
    radial-gradient(circle at 88% 10%, rgba(217, 180, 90, 0.16), transparent 22rem),
    linear-gradient(180deg, rgba(7, 17, 31, 0.52), rgba(11, 22, 40, 0.72));
}

.value-card {
  border: 1px solid var(--line);
  border-radius: 1.5rem;
  padding: clamp(1.4rem, 4vw, 2.4rem);
  background: rgba(5, 8, 14, 0.55);
  box-shadow: 0 24px 80px rgba(0,0,0,0.25);
}

.value-proof {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  padding-top: 0;
}

.value-proof-card {
  border: 1px solid var(--line);
  border-radius: 1.35rem;
  padding: 1.35rem;
  background: rgba(11, 22, 40, 0.74);
}

.right-brain-close {
  text-align: center;
  max-width: 68rem;
  margin: 0 auto;
}

.right-brain-close h2 {
  max-width: 56rem;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 960px) {
  .split-story,
  .chapter-flow,
  .value-section,
  .value-proof {
    grid-template-columns: 1fr;
  }
}


/* v2.8 public-facing-only copy pass:
   Visible website copy has been reviewed to remove internal website-design commentary. */

/* v2.9 claims-wall cleanup: visible copy softened for public launch readiness. */


.email-callout {
  margin: 1.25rem auto;
  font-size: clamp(1.35rem, 3vw, 2.2rem);
  font-family: Georgia, "Times New Roman", serif;
  color: var(--soft-gold);
}

.email-callout a {
  color: var(--soft-gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(240, 217, 138, 0.45);
}

.email-callout a:hover {
  color: #ffffff;
  border-bottom-color: #ffffff;
}

.contact .safe-note {
  max-width: 48rem;
  margin-left: auto;
  margin-right: auto;
}