.section {
  position: relative;
  padding-block: var(--pad-section);
}

.section--ink {
  background: var(--ink);
  color: var(--on-ink);
}

.section--paper {
  background: var(--paper);
}

.section--krapp {
  background: var(--krapp);
  color: #fff;
}

.section__head {
  margin-bottom: clamp(2.5rem, 1.6rem + 3.5vw, 5rem);
}

.section__title {
  font-size: var(--t-h2);
  letter-spacing: -0.015em;
  line-height: 0.98;
}

.section__note {
  font-size: var(--t-body);
  line-height: 1.5;
  margin-top: 1.4rem;
  color: var(--on-chalk-dim);
}

.section__note br {
  display: none;
}

@media (min-width: 960px) {
  .section__note br {
    display: inline;
  }
}

.section--ink .section__note,
.section--krapp .section__note {
  color: color-mix(in oklab, currentColor 72%, transparent);
}

.section--ink .eyebrow {
  color: var(--on-ink-dim);
}

.section--krapp .eyebrow {
  color: rgba(255, 255, 255, 0.7);
}

.rule {
  display: flex;
  gap: var(--dot-gap);
  margin-top: 1.5rem;
  flex-wrap: nowrap;
  overflow: hidden;
}

.rule i {
  flex: none;
}

.rule i {
  width: var(--dot);
  height: var(--dot);
  border-radius: 50%;
  background: currentColor;
  transform: scale(0);
  transition: transform var(--dur-2) var(--ease-out);
  transition-delay: calc(var(--i) * 26ms);
}

.rule.is-in i {
  transform: scale(1);
}

.rule i:nth-child(4n + 1) { background: var(--krapp); }
.rule i:nth-child(4n + 2) { background: var(--azur); }
.rule i:nth-child(4n + 3) { background: var(--ohra); }
.rule i:nth-child(4n + 4) { background: var(--zelen); }

.section--krapp .rule i:nth-child(4n + 1) { background: #fff; }

.hero {
  position: relative;
  min-height: min(100svh, 940px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--ink);
  color: var(--on-ink);
  overflow: hidden;
  padding-block: clamp(7rem, 5rem + 8vw, 10rem) 0;
}

.hero__video {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  transition: opacity 900ms var(--ease-out);
}

.hero__video.is-on {
  opacity: 1;
}

.hero__video video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero__video::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      180deg,
      color-mix(in srgb, var(--ink) 55%, transparent),
      transparent 26%,
      transparent 58%,
      color-mix(in srgb, var(--ink) 55%, transparent)
    ),
    color-mix(in srgb, var(--ink) var(--hero-dim, 68%), transparent);
}

.hero__canvas {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 2;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero__inner .wrap {
  container-type: inline-size;
}

.hero__title {
  font-size: var(--t-hero);
  font-weight: 900;
  letter-spacing: -0.06em;
  line-height: 0.82;
  text-transform: uppercase;
}

.hero__title span {
  display: block;
  width: fit-content;
}

.hero__title-accent {
  color: var(--ohra);
  margin-top: 0.15em;
}

.hero__lead {
  margin-top: clamp(3.1rem, 2.4rem + 1.6vw, 4rem);
  font-size: var(--t-lead);
  line-height: 1.42;
  max-width: 100%;
  color: color-mix(in oklab, var(--on-ink) 82%, transparent);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: clamp(1.75rem, 1.3rem + 1.4vw, 2.5rem);
  max-width: 44rem;
}

.hero__link {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  padding: 0.6em 1.05em;
  border-radius: 100px;
  border: 1.5px solid rgba(255, 255, 255, 0.22);
  font-family: var(--font-mono);
  font-size: var(--t-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--on-ink-dim);
  transition: color var(--dur-1) var(--ease),
    border-color var(--dur-1) var(--ease),
    background var(--dur-1) var(--ease),
    transform var(--dur-1) var(--ease);
}

.hero__link::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent, var(--krapp));
  transition: transform var(--dur-2) var(--ease-out);
}

.hero__link:hover {
  color: var(--on-ink);
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.06);
  transform: translateY(-2px);
}

.hero__link:hover::before {
  transform: scale(1.6);
}

.hero__sign {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.9rem;
  padding: clamp(2.5rem, 1.6rem + 3vw, 4.5rem) var(--gutter) 0;
  text-align: center;
}

.hero__org {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin: 0;
}

.hero__logo {
  flex: none;
  width: clamp(38px, 30px + 2vw, 56px);
  height: auto;
}

.hero__orgname {
  font-size: clamp(0.625rem, 0.58rem + 0.2vw, 0.75rem);
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-align: left;
  color: color-mix(in oklab, var(--on-ink) 78%, transparent);
}

.hero__sign:last-child {
  padding-bottom: clamp(2.5rem, 1.6rem + 3vw, 4.5rem);
}

.hero__place {
  color: var(--on-ink-dim);
}

.hero__sign + .ticker {
  margin-top: clamp(2rem, 1.2rem + 2vw, 3rem);
}

.ticker {
  position: relative;
  z-index: 2;
  margin-top: clamp(3rem, 2rem + 4vw, 5rem);
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}

.ticker__track {
  display: flex;
  width: max-content;
  animation: slide 42s linear infinite;
}

.ticker:hover .ticker__track {
  animation-play-state: paused;
}

.ticker__row {
  display: flex;
  align-items: center;
  gap: 2.4rem;
  padding: 0.95rem 1.2rem;
  white-space: nowrap;
  color: var(--on-ink-dim);
}

.ticker b {
  color: var(--ohra);
  font-weight: 700;
}

.ticker__row span::after {
  content: "•";
  margin-left: 2.4rem;
  color: var(--krapp);
}

@keyframes slide {
  to { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
  .ticker__track { animation: none; }
}

.sitebar {
  position: fixed;
  inset: 0 0 auto;
  z-index: 60;
  padding: clamp(0.5rem, 0.35rem + 0.5vw, 0.9rem) var(--gutter);
  opacity: 0;
  translate: 0 -130%;
  pointer-events: none;
  transition: opacity var(--dur-2) var(--ease),
    translate var(--dur-2) var(--ease-out);
}

.sitebar.is-on {
  opacity: 1;
  translate: 0 0;
  pointer-events: auto;
}

.sitebar__in {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  max-width: var(--max);
  margin-inline: auto;
  padding: 0.45rem 0.5rem 0.45rem 1.1rem;
  border-radius: 100px;
  background: color-mix(in oklab, var(--ink) 84%, transparent);
  backdrop-filter: blur(14px);
  box-shadow: 0 18px 40px -26px rgba(0, 0, 0, 0.95);
  color: var(--on-ink);
}

.sitebar__mark {
  flex: none;
  min-width: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(0.75rem, 0.62rem + 0.55vw, 0.9375rem);
  letter-spacing: -0.01em;
  line-height: 1;
  text-transform: uppercase;
  text-decoration: none;
  color: inherit;
}

.sitebar__mark i {
  font-style: normal;
  color: var(--ohra);
}

.sitebar__mark:hover {
  color: var(--ohra);
}

.sitebar__nav {
  display: flex;
  gap: 0.1rem;
  margin-left: auto;
  min-width: 0;
}

.sitebar__nav a {
  padding: 0.55em 0.85em;
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: var(--t-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
  color: var(--on-ink-dim);
  transition: color var(--dur-1) var(--ease),
    background var(--dur-1) var(--ease);
}

.sitebar__nav a:hover {
  color: var(--on-ink);
  background: rgba(255, 255, 255, 0.09);
}

.sitebar__nav a[aria-current="true"] {
  background: var(--ohra);
  color: var(--ink);
}

.burger {
  display: none;
  flex: none;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-left: auto;
  padding: 0;
  border: 0;
  border-radius: 21px;
  background: rgba(255, 255, 255, 0.1);
  color: var(--on-ink);
  cursor: pointer;
  transition: background var(--dur-1) var(--ease);
}

.burger:hover {
  background: var(--ohra);
  color: var(--ink);
}

.burger__box {
  display: grid;
  gap: 3.5px;
  width: 18px;
}

.burger__box i {
  height: 2px;
  border-radius: 2px;
  background: currentColor;
}

@media (max-width: 1280px) {
  .sitebar__nav { display: none; }
  .burger { display: grid; }
  .sitebar__in { padding: 0.4rem 0.4rem 0.4rem 1rem; }
}

.menu {
  position: fixed;
  inset: 0;
  width: 100%;
  max-width: none;
  height: 100%;
  max-height: none;
  margin: 0;
  padding: 0;
  border: 0;
  background: var(--ink);
  color: var(--on-ink);
  overflow-y: auto;
  overscroll-behavior: contain;
}

.menu::backdrop {
  background: rgba(8, 9, 18, 0.8);
}

.menu__head {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem var(--gutter);
  background: var(--ink);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.menu__mark {
  font-family: var(--font-mono);
  font-size: var(--t-mono);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--on-ink-dim);
}

.menu__close {
  flex: none;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: var(--on-ink);
  font-size: 1.05rem;
  cursor: pointer;
  transition: background var(--dur-1) var(--ease);
}

.menu__close:hover {
  background: var(--krapp);
}

.menu__nav {
  display: flex;
  flex-direction: column;
  padding: 0.5rem var(--gutter) 3rem;
}

.menu__nav a {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 1.05rem + 2.2vw, 2.5rem);
  letter-spacing: -0.045em;
  line-height: 1.05;
  text-decoration: none;
  color: inherit;
  transition: color var(--dur-1) var(--ease);
}

.menu__nav a:hover,
.menu__nav a[aria-current="true"] {
  color: var(--ohra);
}

.menu__nav a span {
  flex: none;
  font-family: var(--font-mono);
  font-size: var(--t-mono);
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--on-ink-dim);
}

.totop {
  position: fixed;
  right: clamp(1rem, 0.5rem + 1.2vw, 2.2rem);
  bottom: clamp(1rem, 0.5rem + 1.2vw, 2.2rem);
  z-index: 55;
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 50%;
  background: color-mix(in oklab, var(--ink) 45%, transparent);
  backdrop-filter: blur(10px);
  color: var(--on-ink);
  cursor: pointer;
  opacity: 0;
  translate: 0 12px;
  pointer-events: none;
  transition: opacity var(--dur-2) var(--ease),
    translate var(--dur-2) var(--ease-out),
    background var(--dur-1) var(--ease);
}

.totop svg {
  width: 22px;
  height: 22px;
}

.totop.is-on {
  opacity: 0.55;
  translate: 0 0;
  pointer-events: auto;
}

.totop.is-on:hover,
.totop.is-on:focus-visible {
  opacity: 1;
  background: var(--krapp);
  border-color: var(--krapp);
}

@media (max-width: 1024px) {
  .totop { display: none; }
}

.rise {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity var(--dur-3) var(--ease-out),
    transform var(--dur-3) var(--ease-out);
}

.rise.is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .rise { opacity: 1; transform: none; }
  .rule i { transform: scale(1); }
}