@font-face {
  font-family: 'Satoshi';
  src: url('/fonts/satoshi-regular.otf') format('opentype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Satoshi';
  src: url('/fonts/satoshi-medium.otf') format('opentype');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Satoshi';
  src: url('/fonts/satoshi-bold.otf') format('opentype');
  font-weight: 600 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Source Serif 4';
  src: url('/fonts/source-serif-4-regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  color-scheme: light;
  --paper: #f7f7f2;
  --ink: #0a0c0b;
  --charcoal: #1b1e1a;
  --muted: #5d655e;
  --line: #c9cec7;
  --green: #08734d;
  --serif: 'Source Serif 4', Georgia, serif;
  --sans: 'Satoshi', ui-sans-serif, system-ui, sans-serif;
}

* { box-sizing: border-box; }

html { background: var(--paper); scroll-behavior: smooth; }

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; }

:focus-visible { outline: 2px solid var(--green); outline-offset: 4px; }

.skip-link {
  position: fixed;
  left: 1rem;
  top: 1rem;
  z-index: 10;
  transform: translateY(-200%);
  border-radius: .75rem;
  background: var(--paper);
  padding: .75rem 1rem;
  color: var(--ink);
  text-decoration: none;
}

.skip-link:focus { transform: translateY(0); }

.shell { width: min(100% - 2.5rem, 72rem); margin: 0 auto; }

.site-header {
  position: relative;
  z-index: 2;
  margin: 1.25rem auto 0;
  width: min(100% - 2.5rem, 72rem);
  border-radius: 1rem;
  background: var(--ink);
  color: var(--paper);
}

.site-header__inner {
  display: flex;
  min-height: 4.25rem;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .75rem 1rem .75rem 1.25rem;
}

.brand { display: inline-flex; align-items: center; color: var(--paper); text-decoration: none; }
.brand img { width: auto; height: 1.2rem; max-width: min(52vw, 11rem); }

.header-action {
  display: inline-flex;
  min-height: 2.5rem;
  align-items: center;
  justify-content: center;
  border-radius: .75rem;
  background: var(--paper);
  padding: .625rem 1rem;
  color: var(--ink);
  font-size: .78rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform .18s ease, background .18s ease;
}

.header-action:hover { transform: translateY(-1px); background: #fff; }

.hero {
  position: relative;
  isolation: isolate;
  margin-top: -5.5rem;
  min-height: min(44rem, 86vh);
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
}

.hero::before,
.hero::after { content: ''; position: absolute; inset: 0; z-index: -1; }

.hero::before {
  background-image: var(--hero-image);
  background-position: center;
  background-size: cover;
  filter: saturate(.45) contrast(1.04);
  opacity: .7;
}

.hero::after {
  background:
    linear-gradient(90deg, rgb(10 12 11 / .94) 0%, rgb(10 12 11 / .82) 36%, rgb(10 12 11 / .38) 66%, rgb(10 12 11 / .35) 100%),
    linear-gradient(180deg, rgb(10 12 11 / .78) 0%, rgb(10 12 11 / .04) 40%, rgb(10 12 11 / .78) 100%);
}

.hero--scl { --hero-image: url('/images/dark-fusion-particle-wave-1920.jpg'); }
.hero--custody { --hero-image: url('/images/dark-fusion-hero-city-1920.jpg'); }
.hero--tokenization { --hero-image: url('/images/dark-fusion-hero-sunrise.jpg'); }
.hero--orobit { --hero-image: url('/images/dark-fusion-particle-wave-1920.jpg'); }

.hero__content {
  display: flex;
  min-height: min(44rem, 86vh);
  flex-direction: column;
  justify-content: flex-end;
  padding: 9rem 0 clamp(3rem, 7vw, 5.5rem);
}

.eyebrow {
  margin: 0;
  color: rgb(247 247 242 / .62);
  font-size: .69rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
}

h1 {
  max-width: 12ch;
  margin: 1rem 0 0;
  font-size: clamp(2.8rem, 7vw, 6.5rem);
  font-weight: 500;
  letter-spacing: -.055em;
  line-height: .94;
}

.hero__lede {
  max-width: 38rem;
  margin: 2rem 0 0;
  color: rgb(247 247 242 / .86);
  font-family: var(--serif);
  font-size: clamp(1.1rem, 1.8vw, 1.35rem);
  line-height: 1.52;
}

.hero__meta { margin-top: 2rem; color: rgb(247 247 242 / .68); font-size: .84rem; }

.page-main { padding: clamp(4rem, 8vw, 7.5rem) 0; }

.section { border-top: 1px solid var(--line); padding: clamp(3.5rem, 7vw, 6rem) 0; }
.section:first-child { border-top: 0; padding-top: 0; }

.section-grid { display: grid; gap: 2rem; }

.section-label {
  margin: 0;
  color: var(--muted);
  font-size: .69rem;
  font-weight: 600;
  letter-spacing: .15em;
  text-transform: uppercase;
}

h2 {
  max-width: 15ch;
  margin: .85rem 0 0;
  font-size: clamp(2rem, 4vw, 3.65rem);
  font-weight: 500;
  letter-spacing: -.045em;
  line-height: 1;
}

.body-copy { max-width: 43rem; color: #3e4740; font-family: var(--serif); font-size: clamp(1.06rem, 1.5vw, 1.23rem); line-height: 1.66; }
.body-copy p { margin: 0; }
.body-copy p + p { margin-top: 1.1rem; }

.principles { display: grid; gap: .75rem; margin-top: 2.5rem; }

.principle {
  display: grid;
  gap: 1.2rem;
  min-height: 12rem;
  border-radius: 1.25rem;
  background: var(--ink);
  padding: 1.5rem;
  color: var(--paper);
}

.principle__number { color: var(--green); font-size: .78rem; font-weight: 600; letter-spacing: .06em; }
.principle h3 { margin: 0; font-size: clamp(1.45rem, 2.5vw, 2.15rem); font-weight: 500; letter-spacing: -.04em; line-height: 1.03; }
.principle p { max-width: 30ch; margin: 0; color: rgb(247 247 242 / .7); font-family: var(--serif); font-size: 1rem; line-height: 1.55; }

.evidence { margin-top: 2.5rem; border-radius: 1.25rem; background: #e9ece5; padding: clamp(1.5rem, 4vw, 2.5rem); }
.evidence h3 { margin: 0; font-size: 1.1rem; font-weight: 600; letter-spacing: -.025em; }
.evidence p { max-width: 52rem; margin: .85rem 0 0; color: #485049; font-family: var(--serif); line-height: 1.6; }
.evidence a { color: var(--green); font-family: var(--sans); font-size: .88rem; font-weight: 600; text-underline-offset: .25rem; }

.source-list { display: grid; gap: 1rem; margin: 2.5rem 0 0; padding: 0; list-style: none; }
.source-list li { display: grid; grid-template-columns: 2.2rem 1fr; gap: .85rem; align-items: start; border-top: 1px solid var(--line); padding-top: 1rem; }
.source-list b { color: var(--green); font-size: .75rem; }
.source-list span { color: #434b44; font-family: var(--serif); line-height: 1.55; }

.cta-row { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2rem; }
.button {
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  border-radius: .85rem;
  background: var(--ink);
  padding: .75rem 1rem;
  color: var(--paper);
  font-size: .84rem;
  font-weight: 600;
  text-decoration: none;
}
.button--quiet { border: 1px solid var(--line); background: transparent; color: var(--ink); }
.button:hover { background: var(--charcoal); }
.button--quiet:hover { background: #e9ece5; }

.site-footer { border-top: 1px solid rgb(247 247 242 / .2); background: var(--ink); color: var(--paper); }
.site-footer__inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; padding: 2rem 0; }
.site-footer p { margin: 0; color: rgb(247 247 242 / .6); font-size: .78rem; }
.site-footer a { color: var(--paper); font-size: .84rem; font-weight: 600; text-decoration: none; }

@media (min-width: 720px) {
  .site-header { margin-top: 1.5rem; }
  .shell { width: min(100% - 4rem, 72rem); }
  .site-header { width: min(100% - 4rem, 72rem); }
  .site-header__inner { padding-left: 1.75rem; }
  .principles { grid-template-columns: repeat(3, 1fr); }
  .principle { padding: 1.75rem; }
}

@media (min-width: 880px) {
  .section-grid { grid-template-columns: minmax(12rem, .65fr) minmax(0, 1.15fr); gap: 7rem; }
  .section-grid > .body-copy { justify-self: end; }
  .hero__content { padding-left: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .001ms !important; animation-duration: .001ms !important; }
}