:root {
  --bg: #0b1020;
  --bg-soft: #11182d;
  --surface: rgba(255, 255, 255, 0.06);
  --surface-strong: rgba(255, 255, 255, 0.09);
  --card: #ffffff;
  --ink: #0e1322;
  --text: #f3f6ff;
  --muted: rgba(243, 246, 255, 0.72);
  --line: rgba(255, 255, 255, 0.12);
  --accent: #6b7cff;
  --accent-strong: #8190ff;
  --accent-soft: rgba(107, 124, 255, 0.18);
  --shadow: 0 30px 80px rgba(4, 8, 20, 0.45);
  --radius-xl: 32px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Manrope", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(129, 144, 255, 0.22), transparent 28%),
    radial-gradient(circle at 85% 14%, rgba(90, 118, 255, 0.18), transparent 22%),
    linear-gradient(180deg, var(--bg) 0%, #0d1426 48%, var(--bg-soft) 100%);
}

body::before {
  position: fixed;
  inset: 0;
  content: "";
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px) 0 0 / 48px 48px,
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px) 0 0 / 48px 48px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.45), transparent 82%);
}

a {
  color: inherit;
  text-decoration: none;
}

.page-shell {
  position: relative;
  z-index: 1;
  width: min(calc(100% - 2rem), var(--max-width));
  margin: 0 auto;
  padding: 1.1rem 0 3rem;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(13, 20, 38, 0.72);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 16px 40px rgba(4, 8, 20, 0.22);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fff;
}

.site-nav {
  display: inline-flex;
  gap: 1.4rem;
  color: var(--muted);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
}

.nav-cta,
.button,
.contact-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.15rem;
  padding: 0.8rem 1.2rem;
  border-radius: 999px;
  font-weight: 700;
  transition:
    transform 180ms ease,
    background-color 180ms ease,
    border-color 180ms ease,
    color 180ms ease,
    box-shadow 180ms ease;
}

.nav-cta {
  background: var(--text);
  color: var(--ink);
}

.nav-cta:hover,
.nav-cta:focus-visible,
.button:hover,
.button:focus-visible,
.contact-link:hover,
.contact-link:focus-visible {
  transform: translateY(-2px);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 2rem;
  align-items: center;
  padding: 5.5rem 0 2.25rem;
}

.eyebrow,
.diagram-label,
.feature-kicker {
  margin: 0 0 1rem;
  color: #9aa7ff;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2 {
  font-family: "Instrument Serif", serif;
  letter-spacing: -0.05em;
  line-height: 0.92;
}

h1 {
  max-width: 11ch;
  margin-bottom: 1.3rem;
  font-size: clamp(4.2rem, 10vw, 7.5rem);
}

h2 {
  max-width: 12ch;
  margin-bottom: 0;
  font-size: clamp(2.8rem, 6vw, 4.8rem);
}

h3 {
  margin-bottom: 0.7rem;
  color: var(--ink);
  font-size: 1.38rem;
  line-height: 1.18;
  letter-spacing: -0.03em;
}

p {
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.78;
}

.hero-text {
  max-width: 38rem;
  font-size: 1.12rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2rem;
}

.button {
  border: 1px solid transparent;
}

.button-primary,
.contact-link {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fff;
  box-shadow: 0 16px 36px rgba(107, 124, 255, 0.28);
}

.button-secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.hero-diagram {
  display: grid;
  gap: 1rem;
  padding: 1.3rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.03)),
    rgba(13, 20, 38, 0.72);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.diagram-card {
  padding: 1.15rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
}

.diagram-card h2 {
  margin-bottom: 0.8rem;
  font-size: clamp(2.1rem, 4vw, 3rem);
}

.diagram-arrow {
  height: 26px;
  position: relative;
}

.diagram-arrow::before {
  position: absolute;
  inset: 50% 0 auto;
  content: "";
  height: 1px;
  background: linear-gradient(90deg, rgba(154, 167, 255, 0.2), rgba(154, 167, 255, 0.95));
}

.diagram-arrow::after {
  position: absolute;
  top: calc(50% - 5px);
  right: 0;
  content: "";
  width: 11px;
  height: 11px;
  border-top: 1px solid #9aa7ff;
  border-right: 1px solid #9aa7ff;
  transform: rotate(45deg);
}

.section {
  padding-top: 3.5rem;
}

.section-heading {
  max-width: 56rem;
  margin-bottom: 1.75rem;
}

.section-heading-wide h2 {
  max-width: 13ch;
}

.thesis-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 1.2rem;
}

.thesis-copy {
  padding: 1.4rem 0.2rem 0;
}

.thesis-points,
.feature-grid,
.reasons-grid {
  display: grid;
  gap: 1rem;
}

.thesis-points {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.point-card,
.feature-card,
.reason-card,
.contact-card {
  padding: 1.4rem;
  border: 1px solid rgba(14, 19, 34, 0.08);
  border-radius: var(--radius-lg);
  background: var(--card);
  box-shadow: 0 16px 40px rgba(11, 16, 32, 0.08);
}

.point-card p,
.feature-card p,
.reason-card p,
.contact-card p {
  color: #556070;
}

.feature-grid,
.reasons-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature-card h3,
.reason-card h3,
.point-card h3 {
  max-width: 14ch;
}

.vision-card {
  padding: 2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at top right, rgba(129, 144, 255, 0.16), transparent 28%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.04));
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
}

.vision-card p:last-child {
  max-width: 46rem;
  margin-bottom: 0;
}

.contact-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.9fr);
  gap: 1.5rem;
}

.section-heading-compact h2 {
  max-width: 10ch;
}

.contact-card {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.contact-copy {
  margin-bottom: 0;
}

.contact-link {
  width: fit-content;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 4.25rem;
  padding-top: 1.35rem;
  border-top: 1px solid var(--line);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

@media (max-width: 980px) {
  .site-header,
  .hero,
  .thesis-grid,
  .thesis-points,
  .feature-grid,
  .reasons-grid,
  .contact-shell {
    grid-template-columns: 1fr;
  }

  .site-header,
  .site-footer {
    display: grid;
    justify-items: start;
  }

  .site-nav {
    flex-wrap: wrap;
    gap: 0.9rem 1rem;
  }

  .hero {
    padding-top: 4rem;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(calc(100% - 1rem), var(--max-width));
    padding-top: 0.6rem;
  }

  .section {
    padding-top: 2.7rem;
  }

  h1 {
    font-size: clamp(3.15rem, 16vw, 5.2rem);
  }

  h2 {
    font-size: clamp(2.35rem, 12vw, 3.7rem);
  }

  .site-header,
  .hero-diagram,
  .diagram-card,
  .point-card,
  .feature-card,
  .reason-card,
  .vision-card,
  .contact-card {
    border-radius: 24px;
  }

  .button,
  .nav-cta,
  .contact-link {
    width: 100%;
  }

  .hero-actions {
    display: grid;
  }
}