:root {
  --bg: #f6f5fb;
  --bg-soft: #eeeff8;
  --surface: rgba(255, 255, 255, 0.86);
  --surface-strong: #ffffff;
  --surface-tint: #f5f4fb;
  --ink: #16211d;
  --muted: #5c6d65;
  --line: rgba(22, 33, 29, 0.1);
  --line-strong: rgba(22, 33, 29, 0.16);
  --accent: #4f6cf4;
  --accent-deep: #5c33b8;
  --accent-soft: rgba(92, 51, 184, 0.1);
  --link-blue: #1d5fd1;
  --link-blue-deep: #174aa3;
  --shadow: 0 24px 70px rgba(28, 55, 45, 0.08);
  --shadow-soft: 0 10px 30px rgba(28, 55, 45, 0.05);
  --radius: 32px;
  --radius-sm: 22px;
  --max-width: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Manrope", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(92, 51, 184, 0.08), transparent 28%),
    radial-gradient(circle at 100% 0, rgba(51, 197, 220, 0.08), transparent 24%),
    linear-gradient(180deg, #fdfdff 0%, var(--bg) 42%, #f2f3fb 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(22, 33, 29, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 33, 29, 0.025) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.55), transparent 88%);
}

a {
  color: inherit;
}

.site-shell {
  width: min(calc(100% - 40px), var(--max-width));
  margin: 0 auto;
  padding: 24px 0 64px;
}

.topbar {
  position: sticky;
  top: 16px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.76);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-soft);
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
}

.brand-lockup img {
  width: 42px;
  height: 42px;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: var(--shadow-soft);
}

.launch-banner {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  font-size: 0.95rem;
  font-weight: 700;
  text-align: center;
}

.section {
  margin-top: 32px;
  padding: 48px;
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: var(--radius);
  background: var(--surface);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: 28px;
  align-items: stretch;
  min-height: 74vh;
}

.hero-copy,
.hero-panel-copy,
.band-copy,
.band-quote,
.prose-card,
.reading-card,
.founder-prose {
  display: grid;
  gap: 18px;
}

.hero-copy {
  align-content: center;
}

.brand-mark,
.hero-kicker,
.toc-label,
.reading-kicker {
  margin: 0;
  color: var(--accent-deep);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero h1,
.section h2,
.reading-card h3,
.footer-title {
  margin: 0;
  font-family: "Cormorant Garamond", serif;
  line-height: 0.96;
  letter-spacing: -0.035em;
}

.hero h1 {
  max-width: 10ch;
  font-size: clamp(3.8rem, 8vw, 6.7rem);
}

.hero-panel {
  position: relative;
  overflow: hidden;
  min-height: 100%;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) - 4px);
  background:
    radial-gradient(circle at top right, rgba(79, 108, 244, 0.12), transparent 32%),
    linear-gradient(180deg, #fffefe 0%, #f4f3fb 100%);
}

.hero-panel::before,
.founder-card-art::before,
.founder-card-art::after {
  content: "";
  position: absolute;
  border-radius: 50%;
}

.hero-panel::before {
  inset: auto -12% -28% auto;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle at center, rgba(92, 51, 184, 0.16), rgba(92, 51, 184, 0.02) 66%, transparent 72%);
}

.hero-panel-copy {
  position: relative;
  z-index: 1;
}

.hero-panel-copy h2,
.band-copy h2,
.band-quote h2,
.section h2 {
  font-size: clamp(2.5rem, 4vw, 4.4rem);
}

.hero-panel-copy p,
.band-copy p,
.band-quote p,
.prose-card p,
.innovation-card p,
.founder-prose p,
.reading-card p,
.section-lede,
.footer-copy,
.footer-links a {
  margin: 0;
  color: var(--muted);
  line-height: 1.78;
}

.social-links,
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-figure,
.editorial-figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) - 6px);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(242, 248, 244, 0.96));
  box-shadow: var(--shadow-soft);
}

.hero-figure img,
.editorial-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-figure-inline {
  max-width: 540px;
  min-height: 220px;
}

.editorial-figure {
  margin-top: 24px;
  min-height: 280px;
}

.social-links a {
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-weight: 700;
  color: var(--muted);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  padding: 14px 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  color: #fff;
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-deep) 100%);
  box-shadow: 0 14px 28px rgba(92, 51, 184, 0.18);
}

.button-secondary {
  border-color: var(--line-strong);
  background: #fff;
  color: var(--ink);
}

.section-heading {
  margin-bottom: 28px;
}

.section h2 {
  margin-bottom: 8px;
}

.prose-section,
.toc-section,
.reading-links-section,
.founder-section {
  background: rgba(255, 255, 255, 0.78);
}

.prose-stack {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 20px;
}

.prose-card,
.innovation-card,
.toc-column,
.interest-form,
.reading-card,
.founder-card,
.band-quote {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-strong);
}

.prose-card-dark {
  background:
    radial-gradient(circle at top right, rgba(79, 108, 244, 0.18), transparent 26%),
    linear-gradient(180deg, #2a2554 0%, #181436 100%);
  border-color: rgba(255, 255, 255, 0.06);
}

.prose-card-dark p {
  color: rgba(244, 252, 248, 0.9);
}

.innovation-grid,
.toc-grid,
.appendix-grid,
.reading-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.innovation-card {
  background: linear-gradient(180deg, #ffffff 0%, var(--surface-tint) 100%);
}

.toc-column ul {
  margin: 0;
  padding-left: 0;
  list-style: none;
}

.toc-inline-link {
  color: var(--link-blue);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 0.18em;
  text-decoration-color: rgba(29, 95, 209, 0.4);
  transition:
    color 180ms ease,
    text-decoration-color 180ms ease;
}

.toc-inline-link::after {
  content: " ↗";
  font-size: 0.9em;
}

.toc-inline-link:hover,
.toc-inline-link:focus-visible {
  color: var(--link-blue-deep);
  text-decoration-color: rgba(23, 74, 163, 0.72);
}

.toc-group + .toc-group,
.toc-list + .toc-list,
.toc-label + .toc-list {
  margin-top: 14px;
}

.toc-group-title {
  margin: 0 0 10px;
  color: var(--ink);
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.toc-list-root {
  display: grid;
  gap: 8px;
}

.toc-list-children {
  display: grid;
  gap: 8px;
  margin-left: 14px;
  padding-left: 10px;
}

.toc-item {
  color: var(--muted);
  line-height: 1.6;
}

.toc-item-featured,
.toc-item-chapter {
  color: var(--ink);
  font-weight: 700;
}

.toc-item-featured a {
  font-weight: 800;
}

.toc-item-chapter {
  font-size: 1rem;
}

.toc-item-child {
  position: relative;
  padding-left: 14px;
  font-size: 0.95rem;
}

.toc-item-child::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(92, 51, 184, 0.28);
}

.appendix-grid .toc-column {
  display: grid;
  align-content: start;
  gap: 18px;
}

.appendix-grid {
  margin-top: 32px;
}

.image-break-section {
  padding-top: 12px;
  padding-bottom: 12px;
  background: transparent;
  border: 0;
  box-shadow: none;
  backdrop-filter: none;
}

.editorial-figure-break {
  min-height: clamp(300px, 42vw, 460px);
}

.reading-links-section {
  background:
    radial-gradient(circle at top left, rgba(79, 108, 244, 0.08), transparent 28%),
    #fcfcff;
}

.reading-card {
  align-content: start;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(244, 250, 247, 0.96));
}

.reading-card h3 {
  font-size: clamp(1.95rem, 2.7vw, 2.6rem);
}

.narrative-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.9fr);
  gap: 20px;
  align-items: stretch;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(247, 252, 249, 0.9));
}

.band-copy,
.band-quote {
  align-content: start;
}

.band-quote {
  background:
    radial-gradient(circle at top right, rgba(51, 197, 220, 0.12), transparent 34%),
    linear-gradient(180deg, #fffefe 0%, #f2f4fb 100%);
}

.band-quote::before {
  content: "∞";
  position: absolute;
  top: 18px;
  right: 24px;
  font-family: "Cormorant Garamond", serif;
  font-size: 5rem;
  color: rgba(92, 51, 184, 0.1);
}

.cta-paragraph {
  position: relative;
  z-index: 1;
}

.cta-section {
  display: grid;
  grid-template-columns: minmax(220px, 0.5fr) minmax(0, 1fr);
  gap: 20px;
  align-items: start;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(242, 249, 245, 0.86));
}

.interest-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.interest-form input,
.interest-form textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  color: var(--ink);
  font: inherit;
}

.interest-form textarea {
  min-height: 132px;
  resize: vertical;
  grid-column: 1 / -1;
}

.interest-form button {
  grid-column: 1 / -1;
}

.interest-form-compact {
  background: rgba(255, 255, 255, 0.74);
}

.founder-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1.28fr);
  gap: 20px;
}

.founder-card-accent {
  position: relative;
  min-height: 100%;
  overflow: hidden;
  background:
    radial-gradient(circle at top left, rgba(92, 51, 184, 0.14), transparent 32%),
    linear-gradient(180deg, #fffefe 0%, #f1f2fb 100%);
}

.founder-card-art::before {
  inset: 12% 14% auto auto;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle at center, rgba(51, 197, 220, 0.16), rgba(51, 197, 220, 0.02) 68%, transparent 72%);
}

.founder-card-art::after {
  inset: auto auto 12% 10%;
  width: 230px;
  height: 230px;
  border: 1px solid rgba(22, 33, 29, 0.12);
}

.pps {
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  margin-top: 32px;
  padding: 16px 8px 0;
}

.footer-title {
  font-size: 2rem;
}

.footer-meta {
  max-width: 34rem;
}

.footer-links a {
  text-decoration: none;
}

@media (max-width: 1080px) {
  .hero,
  .prose-stack,
  .innovation-grid,
  .toc-grid,
  .appendix-grid,
  .reading-grid,
  .narrative-band,
  .cta-section,
  .founder-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .interest-form {
    grid-template-columns: 1fr;
  }

  .topbar,
  .site-footer {
    position: static;
    border-radius: 24px;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 720px) {
  .site-shell {
    width: min(calc(100% - 24px), var(--max-width));
    padding-top: 12px;
  }

  .section {
    padding: 30px 22px;
    border-radius: 26px;
  }

  .hero h1 {
    font-size: clamp(3rem, 16vw, 4.5rem);
  }

  .hero-panel,
  .prose-card,
  .innovation-card,
  .toc-column,
  .interest-form,
  .reading-card,
  .founder-card,
  .band-quote {
    padding: 22px;
  }

  .launch-banner,
  .social-links,
  .footer-links {
    justify-content: flex-start;
  }

  .topbar {
    flex-direction: column;
    gap: 14px;
    align-items: flex-start;
  }

  .button {
    width: 100%;
  }
}