:root {
  --bg: #0a0a0d;
  --panel: #111116;
  --panel-soft: #17171d;
  --line: #303038;
  --text: #ede9df;
  --muted: #a8a39a;
  --accent: #c4955d;
  --accent-bright: #e1b97d;
  --cool: #9aaeb4;
  --max: 1240px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  max-width: var(--max);
  margin: 0 auto;
  padding: 28px 28px 88px;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
}

nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 108px;
  margin: 0 0 72px;
  padding: 0 0 18px;
  border-bottom: 1px solid var(--line);
  background: var(--bg);
  font-size: 14px;
  letter-spacing: .02em;
}

nav .brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-right: auto;
  color: var(--text);
  text-decoration: none;
}

nav .brand img {
  width: 84px;
  height: 84px;
  object-fit: contain;
  mix-blend-mode: screen;
}

nav .brand-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

nav .brand-name {
  color: var(--text);
  font-size: 23px;
  font-weight: 650;
  letter-spacing: .16em;
  line-height: 1.15;
  text-transform: uppercase;
}

nav .brand-description {
  color: #c0b9ad;
  font-size: 15px;
  letter-spacing: .04em;
  line-height: 1.3;
}

nav a:not(.brand) {
  color: var(--muted);
  text-decoration: none;
  transition: color .18s ease;
}

nav a:not(.brand):hover,
nav a:not(.brand):focus-visible { color: var(--accent-bright); }

.scroll-top {
  position: fixed;
  right: clamp(18px, 3vw, 36px);
  bottom: calc(18px + env(safe-area-inset-bottom));
  z-index: 30;
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--panel);
  color: var(--text);
  font-size: 23px;
  line-height: 1;
  text-decoration: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity .2s ease, transform .2s ease, visibility .2s ease, color .2s ease, border-color .2s ease;
}

.scroll-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top:hover,
.scroll-top:focus-visible {
  border-color: var(--accent-bright);
  color: var(--accent-bright);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .scroll-top { transition: none; }
}

main { max-width: 900px; margin: 0 auto; }
main.landing { max-width: 1160px; }

h1, h2, h3 {
  color: var(--text);
  font-weight: 600;
  letter-spacing: -.035em;
  line-height: 1.12;
}

h1 {
  max-width: 920px;
  margin: 0 0 28px;
  font-size: clamp(2.7rem, 7vw, 5.2rem);
}

h2 {
  margin: 72px 0 22px;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
}

h3 { margin-top: 38px; font-size: 1.25rem; }

p { max-width: 780px; margin: 0 0 20px; }

a { color: var(--accent-bright); }
a:hover { color: #f0d29d; }

strong { color: #fff7e8; }

hr {
  margin: 58px 0;
  border: 0;
  border-top: 1px solid var(--line);
}

ul { padding-left: 1.3em; }

main > ul {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  padding: 0;
  list-style: none;
}

main > ul li {
  min-height: 100%;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: linear-gradient(145deg, var(--panel-soft), var(--panel));
}

blockquote {
  margin: 28px 0;
  padding: 16px 20px;
  border-left: 2px solid var(--accent);
  background: var(--panel);
  color: var(--muted);
}

code {
  padding: 2px 5px;
  border: 1px solid #2b2b32;
  border-radius: 3px;
  background: #111116;
  color: var(--accent-bright);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: .88em;
}

pre {
  overflow-x: auto;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: #0d0d12;
  color: #e6edf3;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(280px, .88fr);
  align-items: start;
  gap: 54px;
  min-height: 420px;
  margin-bottom: 80px;
}

.hero > div:first-child { min-width: 0; }
.hero h1 {
  max-width: 100%;
  margin-bottom: 22px;
  font-size: clamp(2.65rem, 5.2vw, 4.5rem);
  overflow-wrap: break-word;
}
.hero p { color: var(--muted); font-size: 1.08rem; }

.hero-art {
  position: relative;
  display: grid;
  place-items: stretch;
  min-height: 300px;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  align-self: start;
  margin-top: 43px;
  background: var(--bg);
}

.hero-carousel,
.carousel-slides,
.carousel-slide {
  width: 100%;
  height: 100%;
}

.hero-carousel {
  cursor: pointer;
  outline: none;
}

.hero-carousel:focus-visible {
  outline: 1px solid var(--accent-bright);
  outline-offset: 4px;
}

.carousel-slide {
  display: none;
  margin: 0;
}

.carousel-slide.is-active { display: block; }

.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  mix-blend-mode: normal;
  opacity: .96;
  transition: opacity .25s ease, transform .25s ease;
}

.carousel-slide--logo img {
  object-fit: contain;
}

.hero-carousel:hover .carousel-slide.is-active img {
  opacity: 1;
  transform: scale(1.01);
}

.eyebrow {
  margin-bottom: 14px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.publication-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 34px 0 28px;
}

.publication-card {
  display: flex;
  flex-direction: column;
  min-height: 214px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: linear-gradient(145deg, var(--panel-soft), var(--panel));
}

.publication-card .eyebrow { margin-bottom: 18px; }

.publication-card h3 {
  margin: 0 0 16px;
  font-size: 1.35rem;
}

.publication-card > p:not(.publication-doi) { color: var(--muted); }

.publication-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: auto 0 18px;
  padding-top: 18px;
  color: var(--cool);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.publication-meta span {
  padding: 4px 7px;
  border: 1px solid #394149;
  border-radius: 3px;
}

.publication-files {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.publication-file {
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 3px;
  color: var(--accent-bright);
  font-size: .82rem;
  text-decoration: none;
}

.publication-file:hover,
.publication-file:focus-visible {
  border-color: var(--accent);
  background: var(--panel-soft);
}

.publication-doi {
  margin-bottom: 16px;
  color: var(--muted);
  font-size: .92rem;
  overflow-wrap: anywhere;
}

.publication-doi span {
  margin-right: 8px;
  color: var(--accent);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.publication-link {
  margin-top: auto;
  width: max-content;
  color: var(--accent-bright);
  font-size: .92rem;
  text-decoration: none;
}

.publication-link:hover,
.publication-link:focus-visible { color: #f0d29d; }

.support-note {
  margin: 32px 0 42px;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--accent);
  background: var(--panel);
}

.support-note p:last-child { margin-bottom: 0; }

.payment-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, .65fr);
  gap: 14px;
  margin: 28px 0 12px;
}

.payment-card {
  padding: 22px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--accent);
  border-radius: 4px;
  background: linear-gradient(145deg, var(--panel-soft), var(--panel));
}

.payment-card h3 { margin: 0 0 12px; }
.payment-card > p { color: var(--muted); }

.payment-logo {
  display: block;
  width: 74px;
  height: 46px;
  margin-bottom: 14px;
  border-radius: 3px;
  background: #fff;
  object-fit: contain;
}

.payment-method {
  display: grid;
  grid-template-columns: 144px minmax(0, 1fr);
  gap: 20px;
  align-items: center;
  margin: 22px 0 16px;
}

.payment-qr {
  display: block;
  width: 144px;
  height: 144px;
  image-rendering: pixelated;
  background: #fff;
}

.payment-details { min-width: 0; }
.payment-label {
  margin-bottom: 7px;
  color: var(--accent);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.payment-address {
  display: block;
  padding: 11px 12px;
  border: 1px solid var(--line);
  color: var(--text);
  font-size: .78rem;
  line-height: 1.55;
  overflow-wrap: anywhere;
  background: rgba(0, 0, 0, .18);
}

.payment-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.payment-button {
  display: inline-block;
  padding: 8px 11px;
  border: 1px solid var(--line);
  border-radius: 3px;
  color: var(--accent-bright);
  font: inherit;
  font-size: .88rem;
  text-decoration: none;
  background: transparent;
  cursor: pointer;
}

.payment-button:hover,
.payment-button:focus-visible { border-color: var(--accent); background: var(--panel-soft); }
.payment-status { min-height: 1.3em; margin-top: 8px; color: var(--accent); font-size: .86rem; }
.payment-note { margin-bottom: 0; font-size: .9rem; }

.payment-card-pending { border-top-color: var(--muted); }
.payment-pending {
  display: inline-block;
  margin-top: 10px;
  padding: 7px 10px;
  border: 1px dashed var(--muted);
  color: var(--muted);
  font-size: .84rem;
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 28px 0 12px;
}

.support-card {
  min-height: 100%;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: linear-gradient(145deg, var(--panel-soft), var(--panel));
}

.support-card h3 { margin: 0 0 12px; }
.support-card p { margin-bottom: 0; }

.support-list {
  display: grid;
  gap: 12px;
  padding: 0;
  list-style: none;
}

.support-list li {
  padding: 18px 20px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.support-placeholder {
  display: block;
  margin-top: 30px;
  padding: 16px 18px;
  border: 1px dashed var(--accent);
  color: var(--muted);
}

.prov { color: var(--muted); font-size: 13px; }

.site-footer {
  max-width: 1160px;
  margin: 104px auto 0;
  padding-top: 30px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(260px, .75fr);
  gap: 56px;
  align-items: start;
}

.footer-brand {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.footer-mark {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  width: 68px;
  height: 68px;
}

.footer-mark img {
  width: 68px;
  height: 68px;
  object-fit: contain;
  mix-blend-mode: screen;
}

.footer-title {
  margin: 2px 0 6px;
  color: var(--text);
  font-size: 16px;
  font-weight: 650;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.footer-description {
  max-width: 330px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}

.footer-label {
  margin-bottom: 9px;
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.footer-nav a {
  display: block;
  width: max-content;
  margin: 0 0 5px;
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
}

.footer-nav a:hover,
.footer-nav a:focus-visible { color: var(--accent-bright); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 34px;
  padding-top: 14px;
  border-top: 1px solid #24242b;
  color: #77746e;
  font-size: 12px;
}

.footer-legal {
  margin-top: 10px;
  color: #77746e;
  font-size: 12px;
}

@media (max-width: 720px) {
  body { padding: 18px 18px 64px; }
  nav { flex-wrap: wrap; gap: 12px 16px; margin-bottom: 48px; }
  nav .brand { flex-basis: 100%; margin-right: 0; }
  nav .brand img { width: 76px; height: 76px; }
  .hero { grid-template-columns: 1fr; gap: 28px; min-height: auto; margin-bottom: 54px; }
  .hero-art { min-height: 220px; margin-top: 0; }
  main > ul { grid-template-columns: 1fr; }
  .publication-list { grid-template-columns: 1fr; }
  .support-grid { grid-template-columns: 1fr; }
  .payment-grid { grid-template-columns: 1fr; }
  .payment-method { grid-template-columns: 1fr; }
  .payment-qr { width: 180px; height: 180px; }
  h2 { margin-top: 54px; }
  .site-footer { margin-top: 72px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-mark, .footer-mark img { width: 52px; height: 52px; }
  .footer-bottom { flex-direction: column; gap: 5px; }
}