:root {
  --color-bg: #050607;
  --color-bg-alt: #0a1014;
  --color-surface: rgba(15, 25, 30, 0.6);
  --color-surface-strong: rgba(18, 32, 39, 0.9);
  --color-text: #f4f7f8;
  --color-text-muted: rgba(244, 247, 248, 0.62);
  --color-accent: #00ffb2;
  --color-accent-strong: #1ef6ff;
  --color-border: rgba(0, 255, 178, 0.24);
  --shadow-soft: 0 25px 60px -30px rgba(0, 255, 178, 0.3);
  --shadow-strong: 0 30px 80px -35px rgba(17, 255, 214, 0.45);
  --radius-base: 14px;
  --radius-pill: 999px;
  --transition: 180ms ease;
  color-scheme: dark;
  font-size: 16px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: radial-gradient(circle at 20% 20%, rgba(0, 255, 178, 0.1), transparent 55%),
    radial-gradient(circle at 80% 15%, rgba(30, 246, 255, 0.12), transparent 60%),
    var(--color-bg);
  color: var(--color-text);
  font-family: "Space Grotesk", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

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

p {
  margin: 0;
}

.container {
  width: min(1120px, calc(100% - 3rem));
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.background-grid {
  position: fixed;
  inset: 0;
  background-image: linear-gradient(
      rgba(0, 255, 178, 0.1) 1px,
      transparent 1px
    ),
    linear-gradient(90deg, rgba(30, 246, 255, 0.1) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.18;
  mask-image: radial-gradient(circle at center, black 40%, transparent 75%);
  pointer-events: none;
  z-index: 0;
}

.background-noise {
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160' viewBox='0 0 160 160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='1.3' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='0.08'/%3E%3C/svg%3E");
  mix-blend-mode: screen;
  pointer-events: none;
  z-index: 1;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem 0 3rem;
  position: relative;
  z-index: 2;
}

.nav__brand {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.95rem;
  letter-spacing: 0.42rem;
  text-transform: uppercase;
  color: var(--color-accent);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font-size: 0.95rem;
}

.nav__links a {
  position: relative;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.nav__links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition);
}

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

.nav__links a:hover::after,
.nav__links a:focus-visible::after {
  transform: scaleX(1);
}

.hero {
  position: relative;
  overflow: hidden;
}

.hero__content {
  padding: clamp(3rem, 5vw, 6rem) 0 clamp(4rem, 7vw, 8rem);
}

.hero__inner {
  max-width: 720px;
  display: grid;
  gap: 1.75rem;
}

.hero__tagline {
  font-family: "IBM Plex Mono", monospace;
  font-size: 1rem;
  letter-spacing: 0.32rem;
  color: var(--color-accent-strong);
  text-transform: uppercase;
}

.hero__title {
  font-size: clamp(2.75rem, 6vw, 4.5rem);
  line-height: 1.1;
  margin: 0;
}

.hero__subtitle {
  font-size: clamp(1.1rem, 2.4vw, 1.35rem);
  color: var(--color-text-muted);
  max-width: 34ch;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.8rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  background: linear-gradient(120deg, var(--color-accent), var(--color-accent-strong));
  color: #02110f;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  font-size: 0.95rem;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  box-shadow: var(--shadow-soft);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  box-shadow: var(--shadow-strong);
}

.button--outline {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text);
  box-shadow: none;
}

.button--outline:hover,
.button--outline:focus-visible {
  background: rgba(0, 255, 178, 0.08);
  border-color: rgba(0, 255, 178, 0.45);
}

.button--ghost {
  padding: 0.65rem 1.4rem;
  font-size: 0.85rem;
  background: rgba(0, 255, 178, 0.08);
  border-color: rgba(0, 255, 178, 0.35);
  color: var(--color-accent);
  text-transform: none;
  letter-spacing: 0.05em;
  box-shadow: none;
}

.button--ghost:hover,
.button--ghost:focus-visible {
  background: rgba(0, 255, 178, 0.18);
  border-color: rgba(30, 246, 255, 0.45);
}

.section {
  padding: clamp(3.5rem, 6vw, 6rem) 0;
  position: relative;
}

.section--what {
  background: rgba(7, 12, 16, 0.65);
  backdrop-filter: blur(32px);
  border-top: 1px solid rgba(0, 255, 178, 0.12);
  border-bottom: 1px solid rgba(30, 246, 255, 0.08);
}

.section__header {
  margin-bottom: clamp(2rem, 3vw, 2.75rem);
}

.section__header--center {
  text-align: center;
}

.section__eyebrow {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.85rem;
  letter-spacing: 0.45rem;
  text-transform: uppercase;
  color: var(--color-accent);
  display: inline-block;
  margin-bottom: 1.25rem;
}

.section__title {
  font-size: clamp(2.2rem, 4vw, 3rem);
  margin: 0;
}

.section__subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 58ch;
  margin-top: 1rem;
}

.section__header--center .section__subtitle {
  margin-left: auto;
  margin-right: auto;
}

.what-header {
  margin-bottom: 2rem;
}

.what-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  align-items: start;
}

.what-grid__copy p {
  margin: 0 0 0.75rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.what-summary {
  margin-top: 2rem;
  font-size: 1.1rem;
  color: var(--color-text);
  max-width: 60ch;
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.75rem;
}

.feature-list li {
  background: rgba(5, 10, 12, 0.65);
  border: 1px solid rgba(0, 255, 178, 0.12);
  padding: 1.5rem;
  border-radius: var(--radius-base);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition);
}

.feature-list li::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 255, 178, 0.15), transparent 55%);
  opacity: 0;
  transition: opacity var(--transition);
  z-index: 0;
}

.feature-list li:hover,
.feature-list li:focus-within {
  transform: translateY(-4px);
  border-color: rgba(0, 255, 178, 0.32);
}

.feature-list li:hover::before,
.feature-list li:focus-within::before {
  opacity: 1;
}

.feature-list__label {
  display: block;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
  letter-spacing: 0.02em;
}

.principles-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
  padding: 2.2rem 2rem;
  background: var(--color-surface);
  border: 1px solid rgba(30, 246, 255, 0.16);
  border-radius: var(--radius-base);
  box-shadow: 0 15px 35px -25px rgba(30, 246, 255, 0.4);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(30, 246, 255, 0.35), transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
}

.card:hover,
.card:focus-within {
  transform: translateY(-6px);
  box-shadow: 0 35px 65px -35px rgba(30, 246, 255, 0.55);
}

.card:hover::after,
.card:focus-within::after {
  opacity: 1;
}

.card h3 {
  margin-top: 0;
  font-size: 1.6rem;
  margin-bottom: 0.75rem;
}

.card p {
  color: var(--color-text-muted);
}

.section--manifesto {
  background: rgba(4, 10, 12, 0.78);
  border-top: 1px solid rgba(30, 246, 255, 0.1);
  border-bottom: 1px solid rgba(0, 255, 178, 0.12);
  backdrop-filter: blur(28px);
}

.manifesto {
  display: grid;
  gap: 2.75rem;
}

.manifesto__lead {
  display: grid;
  gap: 1.2rem;
  max-width: 68ch;
}

.manifesto__title {
  margin: 0;
  font-size: clamp(2.2rem, 4vw, 3rem);
  line-height: 1.1;
}

.manifesto__lead p {
  margin: 0;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.manifesto__intro-copy {
  font-weight: 500;
  color: var(--color-text);
}

.manifesto__bullets {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.manifesto__bullets li {
  position: relative;
  padding-left: 1.6rem;
  color: var(--color-text-muted);
}

.manifesto__bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-strong));
  box-shadow: 0 0 14px rgba(0, 255, 178, 0.35);
}

.manifesto__divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 255, 178, 0.35), transparent);
  opacity: 0.7;
}

.manifesto__commitments {
  display: grid;
  gap: 1.5rem;
}

.manifesto__subtitle {
  margin: 0;
  font-size: 1.35rem;
  text-transform: uppercase;
  letter-spacing: 0.2rem;
  color: var(--color-accent);
}

.manifesto__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.manifesto__list li {
  position: relative;
  padding: 1.5rem 1.6rem;
  background: rgba(5, 12, 14, 0.75);
  border: 1px solid rgba(0, 255, 178, 0.16);
  border-radius: var(--radius-base);
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition);
}

.manifesto__list li::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(30, 246, 255, 0.22), transparent 55%);
  opacity: 0;
  transition: opacity var(--transition);
}

.manifesto__list li:hover,
.manifesto__list li:focus-within {
  transform: translateY(-4px);
  border-color: rgba(0, 255, 178, 0.4);
}

.manifesto__list li:hover::after,
.manifesto__list li:focus-within::after {
  opacity: 1;
}

.manifesto__list-title {
  position: relative;
  z-index: 1;
  display: inline-block;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-accent-strong);
}

.manifesto__list p {
  position: relative;
  z-index: 1;
  margin: 0.65rem 0 0;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.manifesto__closing {
  display: grid;
  gap: 1.2rem;
  max-width: 64ch;
  margin: 0 auto;
}

.manifesto__closing p {
  margin: 0;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.manifesto__closing .manifesto__subtitle {
  color: var(--color-text);
  letter-spacing: 0.14rem;
}

.manifesto__emphasis {
  color: var(--color-text);
  font-size: 1.2rem;
  letter-spacing: 0.08em;
}

.manifesto__emphasis strong {
  display: block;
  margin-top: 0.35rem;
}

.section--community {
  background: linear-gradient(120deg, rgba(0, 255, 178, 0.08), rgba(5, 10, 14, 0.8));
}

.community-content {
  display: grid;
  gap: 2rem;
  max-width: 780px;
}

.community-lede {
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--color-accent-strong);
}

blockquote {
  margin: 0;
  padding-left: 1.5rem;
  border-left: 2px solid rgba(0, 255, 178, 0.45);
  font-size: 1.25rem;
  color: var(--color-text);
}

blockquote p {
  margin-bottom: 0.5rem;
}

blockquote cite {
  font-style: normal;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.community-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer {
  border-top: 1px solid rgba(30, 246, 255, 0.12);
  background: rgba(4, 8, 12, 0.92);
  padding: 2.5rem 0;
  position: relative;
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.footer__brand {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.85rem;
  letter-spacing: 0.4rem;
  text-transform: uppercase;
  color: var(--color-accent);
}

.footer__links {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.footer__links a {
  transition: color var(--transition);
}

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

@media (max-width: 780px) {
  .nav__links {
    gap: 1rem;
    font-size: 0.9rem;
  }

  .hero__inner {
    gap: 1.5rem;
  }

  .what-grid {
    grid-template-columns: 1fr;
  }

  .manifesto__list {
    grid-template-columns: 1fr;
  }

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

  .section__title {
    font-size: clamp(2rem, 5vw, 2.6rem);
  }

  blockquote {
    font-size: 1.15rem;
  }
}

@media (max-width: 520px) {
  .container {
    width: calc(100% - 2.5rem);
  }

  .nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }

  .nav__brand {
    letter-spacing: 0.32rem;
  }

  .nav__links {
    flex-wrap: wrap;
  }

  .hero__tagline {
    letter-spacing: 0.24rem;
    font-size: 0.9rem;
  }

  .manifesto__subtitle {
    letter-spacing: 0.12rem;
    font-size: 1.1rem;
  }

  .manifesto__bullets li {
    padding-left: 1.3rem;
  }

  .manifesto__bullets li::before {
    width: 0.4rem;
    height: 0.4rem;
  }

  .section__eyebrow {
    letter-spacing: 0.32rem;
  }

  .footer__brand {
    letter-spacing: 0.32rem;
  }
}