:root {
  --paper: #f4f0e8;
  --paper-soft: #e9e2d5;
  --ink: #17130f;
  --muted: #746d61;
  --line: #d8d0c1;
  --accent: #665538;
  --serif: "Cormorant Garamond", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --body-serif: "Source Serif 4", "Adobe Caslon Pro", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: "IBM Plex Sans", "Neue Haas Grotesk Text", Inter, "Helvetica Neue", Arial, ui-sans-serif, system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

section,
.ledger-entry {
  scroll-margin-top: 92px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "kern", "liga";
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(20px, 5vw, 72px);
  border-bottom: 1px solid var(--line);
  background: rgba(245, 242, 235, 0.92);
  backdrop-filter: blur(18px);
}

.brand {
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.08rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.site-header nav {
  margin-left: auto;
}

nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 28px);
}

nav a,
.kicker,
.section-title > p,
figcaption,
.language-toggle {
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  line-height: 1.35;
  text-transform: uppercase;
}

.language-toggle {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding-left: clamp(6px, 1.2vw, 18px);
  white-space: nowrap;
}

.language-toggle button {
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font: inherit;
  letter-spacing: inherit;
  opacity: 0.45;
}

.language-toggle button[aria-pressed="true"] {
  color: var(--ink);
  opacity: 1;
}

.language-toggle button:hover {
  opacity: 1;
}

.section-title > p {
  margin-bottom: clamp(24px, 3vw, 42px);
}

nav a {
  text-decoration: none;
}

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

main {
  max-width: 1520px;
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.46fr);
  gap: clamp(36px, 6vw, 112px);
  align-items: center;
  padding: clamp(32px, 4vw, 56px) clamp(22px, 7vw, 124px) clamp(56px, 6.5vw, 96px);
  border-bottom: 1px solid var(--line);
}

.hero-copy {
  max-width: 1040px;
}

.kicker {
  margin: 0 0 28px;
}

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

h1,
h2,
h3 {
  font-family: var(--serif);
  font-weight: 500;
  letter-spacing: 0;
}

h1 {
  max-width: 1040px;
  margin-bottom: clamp(30px, 4vw, 52px);
  font-size: clamp(4.4rem, 9.5vw, 9.6rem);
  line-height: 0.9;
}

.standfirst {
  max-width: 780px;
  margin: 0;
  color: #302b24;
  font-family: var(--body-serif);
  font-size: clamp(1.34rem, 1.95vw, 2.05rem);
  line-height: 1.42;
}

.aurora-object {
  position: relative;
  width: 100%;
  min-height: clamp(520px, 58vw, 820px);
  isolation: isolate;
  overflow: hidden;
  opacity: 1;
}

.aurora-object::before {
  display: none;
}

.aurora-object::after {
  display: none;
}

.aurora-canvas {
  display: none;
}

.aurora-stars {
  display: none;
}

.aurora-ribbon {
  position: absolute;
  inset: 1% -4% 0 -2%;
  transform: skewX(-7deg);
  transform-origin: 50% 50%;
  -webkit-mask-image:
    linear-gradient(180deg, transparent 0, black 8%, black 91%, transparent 100%),
    radial-gradient(ellipse at 54% 49%, black 0 46%, rgba(0, 0, 0, 0.72) 62%, transparent 83%);
  mask-image:
    linear-gradient(180deg, transparent 0, black 8%, black 91%, transparent 100%),
    radial-gradient(ellipse at 54% 49%, black 0 46%, rgba(0, 0, 0, 0.72) 62%, transparent 83%);
  -webkit-mask-composite: source-in;
  mask-composite: intersect;
}

.aurora-beam {
  position: absolute;
  top: var(--top);
  left: var(--left);
  width: var(--width);
  height: var(--height);
  opacity: var(--opacity);
  transform: translate3d(0, 0, 0) scaleY(1);
  transform-origin: 50% 10%;
  animation:
    aurora-fall var(--duration) cubic-bezier(0.45, 0, 0.24, 1) infinite alternate,
    aurora-glow calc(var(--duration) * 0.78) ease-in-out infinite alternate;
  animation-delay: var(--delay);
}

.aurora-beam::before,
.aurora-beam::after {
  position: absolute;
  inset: 0;
  content: "";
  border-radius: 999px;
}

.aurora-beam::before {
  background:
    linear-gradient(90deg, transparent, rgba(123, 203, 255, 0.2) 18%, rgba(176, 255, 166, 0.72) 45%, rgba(228, 255, 189, 0.86) 55%, rgba(139, 221, 255, 0.18) 78%, transparent),
    linear-gradient(180deg, rgba(200, 255, 170, 0), rgba(184, 255, 154, 0.88) 14%, rgba(94, 225, 170, 0.72) 46%, rgba(78, 204, 172, 0.24) 79%, transparent);
  filter: blur(var(--blur));
}

.aurora-beam::after {
  inset-inline: 35%;
  background: linear-gradient(180deg, transparent, rgba(237, 255, 207, 0.72) 18%, rgba(168, 255, 176, 0.48) 54%, rgba(144, 213, 255, 0.16) 75%, transparent);
  filter: blur(calc(var(--blur) * 0.18));
}

@keyframes aurora-fall {
  0% {
    transform: translate3d(calc(var(--sway) * -0.55), -26px, 0) scaleY(0.86);
  }

  100% {
    transform: translate3d(var(--sway), 30px, 0) scaleY(1.18);
  }
}

@keyframes aurora-glow {
  0% {
    opacity: calc(var(--opacity) * 0.52);
    filter: brightness(0.9);
  }

  100% {
    opacity: var(--opacity);
    filter: brightness(1.18);
  }
}

.statement {
  padding: clamp(56px, 7vw, 96px) clamp(22px, 7vw, 124px);
  border-bottom: 1px solid var(--line);
}

.statement p {
  max-width: 1160px;
  margin: 0;
  font-family: var(--body-serif);
  font-size: clamp(2.1rem, 4vw, 4.35rem);
  line-height: 1.12;
}

.two-column,
.visual-field,
.ledger,
.closing-note {
  display: grid;
  grid-template-columns: minmax(180px, 0.44fr) minmax(0, 1fr);
  gap: clamp(44px, 7vw, 132px);
  padding: clamp(58px, 7vw, 104px) clamp(22px, 7vw, 124px);
  border-bottom: 1px solid var(--line);
}

.section-title h2,
.visual-copy h2 {
  max-width: 700px;
  margin-bottom: 0;
  font-size: clamp(2.05rem, 3.75vw, 4rem);
  line-height: 1.06;
}

.body-copy {
  max-width: 690px;
}

.body-copy p,
.table-list p,
.principles p,
.ledger-list p {
  color: #34302a;
  font-family: var(--body-serif);
  font-size: clamp(1.08rem, 1.3vw, 1.28rem);
  line-height: 1.72;
}

.body-copy p {
  margin-bottom: 32px;
}

.principles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-bottom: 1px solid var(--line);
}

.principles article {
  min-height: 350px;
  padding: clamp(34px, 4.3vw, 64px);
  border-right: 1px solid var(--line);
}

.principles article:last-child {
  border-right: 0;
}

.principles span,
.ledger-list time {
  display: block;
  margin-bottom: 56px;
  color: var(--accent);
  font-family: var(--serif);
  font-size: 1.25rem;
}

h3 {
  margin-bottom: 22px;
  font-size: clamp(1.6rem, 2.55vw, 2.85rem);
  line-height: 1.05;
}

.table-list,
.ledger-list {
  border-top: 1px solid var(--line);
}

.table-list > div,
.ledger-entry {
  display: grid;
  grid-template-columns: 32px 138px minmax(0, 1fr) 112px;
  gap: 30px;
  align-items: baseline;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}

.table-list > div {
  grid-template-columns: 170px minmax(0, 1fr);
}

.table-list strong {
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.46rem;
  font-weight: 500;
}

.table-list p,
.ledger-list p {
  margin: 0;
}

.ledger-list time {
  margin-bottom: 0;
}

.ledger-anchor,
.ledger-entry span {
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1.35;
  text-decoration: none;
  text-transform: uppercase;
}

.ledger-anchor {
  opacity: 0.46;
}

.ledger-anchor:hover {
  opacity: 1;
}

.visual-field {
  grid-template-columns: minmax(260px, 0.5fr) minmax(320px, 0.92fr);
  align-items: center;
  background: #11100e;
  color: var(--paper);
}

.visual-copy {
  max-width: 640px;
}

.visual-copy h2 {
  margin-bottom: 24px;
  color: var(--paper);
}

.visual-copy p:not(.kicker) {
  color: #d5cec0;
  font-size: clamp(1rem, 1.22vw, 1.18rem);
  line-height: 1.7;
}

.signal-field {
  position: relative;
  overflow: hidden;
  background: #080807;
}

.signal-field::before {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  content: "";
}

.signal-field::before {
  background:
    linear-gradient(rgba(245, 242, 235, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 242, 235, 0.04) 1px, transparent 1px),
    radial-gradient(circle at 50% 42%, transparent 0 28%, rgba(0, 0, 0, 0.42) 72%);
  background-size: 14px 14px, 14px 14px, 100% 100%;
  mix-blend-mode: soft-light;
}

figure {
  margin: 0;
}

img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 680px;
  object-fit: cover;
  object-position: top;
  border: 1px solid var(--line);
  filter: grayscale(1) contrast(1.04);
}

.signal-field img {
  max-height: 460px;
  object-fit: contain;
  object-position: center;
  border: 0;
  filter: saturate(0.74) contrast(1.08) brightness(0.62);
}

.visual-field figcaption {
  color: #b7b0a5;
}

figcaption {
  margin-top: 12px;
  text-transform: none;
  letter-spacing: 0.02em;
}

.closing-note {
  grid-template-columns: minmax(180px, 0.44fr) minmax(0, 0.88fr);
  background: var(--paper-soft);
}

.closing-note p:last-child {
  max-width: 840px;
  margin: 0;
  color: #241f18;
  font-family: var(--body-serif);
  font-size: clamp(1.55rem, 2.45vw, 2.8rem);
  line-height: 1.22;
}

footer {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 18px;
  min-height: clamp(360px, 46vw, 620px);
  max-width: 1520px;
  margin: 0 auto;
  padding: clamp(40px, 7vw, 96px) clamp(22px, 7vw, 124px);
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(12, 11, 10, 0.25), rgba(8, 7, 6, 0.78)),
    url("./assets/bitfond-long-duration-capital.jpg") center / cover;
  color: var(--paper);
}

footer p {
  position: relative;
  z-index: 1;
  margin: 0;
  color: rgba(245, 242, 235, 0.82);
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  line-height: 1.35;
  text-transform: uppercase;
}

footer div p:first-child {
  margin-bottom: 10px;
  color: var(--paper);
  font-family: var(--serif);
  font-size: clamp(2.4rem, 5vw, 5.8rem);
  font-weight: 500;
  letter-spacing: 0;
  line-height: 0.94;
  text-transform: none;
}

footer::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  background:
    linear-gradient(rgba(245, 242, 235, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 242, 235, 0.03) 1px, transparent 1px);
  background-size: 18px 18px;
  mix-blend-mode: soft-light;
}

@media (max-width: 900px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .language-toggle {
    position: absolute;
    top: 14px;
    right: clamp(20px, 5vw, 72px);
  }

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

  .aurora-object {
    width: min(100%, 520px);
    min-height: 440px;
    margin: 0 auto;
  }

  .two-column,
  .visual-field,
  .ledger,
  .closing-note {
    grid-template-columns: 1fr;
  }

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

  .principles article {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
}

@media (max-width: 640px) {
  h1 {
    font-size: clamp(3.35rem, 16vw, 5.8rem);
  }

  .statement p {
    font-size: clamp(1.72rem, 8.5vw, 3rem);
  }

  .aurora-object {
    width: min(100%, 360px);
    min-height: 340px;
  }

  .table-list > div,
  .ledger-entry {
    grid-template-columns: 1fr;
    gap: 8px;
  }

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

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

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}