:root {
  --bg: #1c1c1c;
  --ink: #f2f0ea;
  --muted: #9c9a94;
  --orange: #eb6533;
  --gutter: 16px;
  --deck: 1600px;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Montserrat, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 0.2em; }

.bar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  width: min(100% - 2 * var(--gutter), var(--deck));
  margin: 0 auto;
  padding: 28px 0;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
/* Bottom padding keeps the fixed back-to-top button clear of the footer text. */
footer.bar { color: var(--muted); font-weight: 500; font-size: 13px; padding: 40px 0 96px; }
footer.bar a { color: var(--ink); text-transform: none; }

.deck {
  width: min(100% - 2 * var(--gutter), var(--deck));
  margin: 0 auto;
  display: grid;
}

.slide {
  position: relative;
  margin: 0;
  container-type: inline-size;
  overflow: hidden;
}

.slide-media {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  background: #262626;
}

/* Hand-built slides are laid out in Figma's 1920×1080 pixels; --u is one of those pixels. */
.canvas {
  --u: calc(100cqw / 1920);
  position: relative;
  aspect-ratio: 16 / 9;
  color: #000;
}
.canvas > * { position: absolute; margin: 0; }

/* 01 · Cover */
.cover .canvas { background: var(--orange); }
.cover-meta,
.cover-contact {
  font: 600 max(9px, calc(15 * var(--u))) / max(16px, calc(27 * var(--u))) Montserrat, sans-serif;
  text-transform: uppercase;
}
.cover-meta { left: calc(82 * var(--u)); top: calc(62 * var(--u)); }
.cover-contact {
  right: calc(78 * var(--u));
  top: calc(63 * var(--u));
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  font-style: normal;
}
.cover-bird {
  left: calc(594 * var(--u));
  top: calc(144 * var(--u));
  width: calc(732 * var(--u));
  height: calc(519 * var(--u));
  object-fit: cover;
}
.cover-title {
  left: calc(57 * var(--u));
  top: calc(880 * var(--u));
  font: 900 calc(336 * var(--u)) / calc(60 * var(--u)) Roboto, sans-serif;
  text-transform: uppercase;
  white-space: nowrap;
}

/* 02 · Apie */
.about .canvas { background: #e5e6e5; }
.about-title {
  left: calc(80 * var(--u));
  top: calc(119 * var(--u));
  font: 900 calc(210 * var(--u)) / calc(60 * var(--u)) Roboto, sans-serif;
  text-transform: uppercase;
}
.about-text,
.about-contacts {
  font: 500 calc(22 * var(--u)) / calc(29 * var(--u)) Montserrat, sans-serif;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.about-text {
  left: calc(80 * var(--u));
  top: calc(298 * var(--u));
  width: calc(653 * var(--u));
  height: calc(366 * var(--u));
}
.about-rule {
  left: calc(81 * var(--u));
  top: calc(695 * var(--u));
  width: calc(599 * var(--u));
  border: 0;
  border-top: max(1px, calc(2 * var(--u))) solid #aba8a8;
}
.about-contacts-title {
  left: calc(80 * var(--u));
  top: calc(727 * var(--u));
  font: 700 calc(25 * var(--u)) / 1.23 "Instrument Sans", sans-serif;
  letter-spacing: calc(3 * var(--u));
  text-transform: uppercase;
}
.about-contacts {
  left: calc(80 * var(--u));
  top: calc(760 * var(--u));
  height: calc(116 * var(--u));
  font-weight: 400;
  font-style: normal;
  text-transform: lowercase;
}
.about-photo {
  left: calc(979 * var(--u));
  top: 0;
  width: calc(941 * var(--u));
  height: 100%;
  background: #020202;
}
.about-photo img {
  position: absolute;
  left: calc(8 * var(--u));
  width: calc(933 * var(--u));
  height: 100%;
}
.about-ring {
  position: absolute;
  left: calc(-138 * var(--u));
  top: calc(296 * var(--u));
  width: calc(304 * var(--u));
  height: calc(304 * var(--u));
  overflow: visible;
  animation: spin 6s linear infinite;
}
.about-ring text {
  fill: var(--orange);
  font: 400 18px Montserrat, sans-serif;
}
.about-ring .b { font-weight: 700; }

@keyframes spin { to { transform: rotate(1turn); } }

/* Phones: the two HTML slides reflow instead of shrinking to unreadable 16:9. */
@container (max-width: 760px) {
  .canvas { aspect-ratio: auto; display: flex; flex-direction: column; padding: 20px 16px; }
  .canvas > * { position: static; }

  .cover .canvas { min-height: 125cqw; gap: 6px; }
  .cover-meta, .cover-contact { font-size: 10px; line-height: 1.7; align-items: flex-start; }
  .cover-contact { order: -1; }
  .cover-bird { width: 82%; height: auto; margin: auto auto 0; }
  .cover-title { margin-top: auto; font-size: calc((100cqw - 32px) / 5.45); line-height: 0.82; }

  .about .canvas { padding: 32px 16px 0; gap: 18px; }
  .about-title { font-size: 64px; line-height: 0.8; }
  .about-text, .about-contacts { width: auto; height: auto; font-size: 15px; line-height: 1.55; }
  .about-rule { width: 100%; border-top-width: 1px; }
  .about-contacts-title { font-size: 15px; letter-spacing: 2px; margin-bottom: -10px; }
  .about-photo { position: relative; left: auto; width: calc(100% + 32px); height: auto; margin: 36px -16px 0; background: transparent; }
  .about-photo img { position: static; width: 100%; height: auto; }
  .about-ring { left: auto; right: 5%; top: -16cqw; width: 34cqw; height: 34cqw; }
}

.to-top {
  --p: 0;
  position: fixed;
  right: max(20px, env(safe-area-inset-right));
  bottom: max(20px, env(safe-area-inset-bottom));
  z-index: 10;
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgb(28 28 28 / 0.72);
  -webkit-backdrop-filter: blur(12px) saturate(1.4);
  backdrop-filter: blur(12px) saturate(1.4);
  color: var(--ink);
  box-shadow: 0 8px 24px rgb(0 0 0 / 0.35), inset 0 0 0 1px rgb(255 255 255 / 0.08);
  transition: opacity 0.35s ease, translate 0.35s cubic-bezier(0.2, 0.9, 0.3, 1.2), background-color 0.25s ease, color 0.25s ease;
}
.to-top > svg { grid-area: 1 / 1; }
.to-top-ring {
  rotate: -90deg;
  fill: none;
  stroke: var(--orange);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-dasharray: 1;
  stroke-dashoffset: calc(1 - var(--p));
}
.to-top-arrow { transition: translate 0.25s ease; }
.to-top:hover { background: var(--orange); color: #000; text-decoration: none; }
.to-top:hover .to-top-arrow { translate: 0 -2px; }
.to-top:hover .to-top-ring { stroke: #000; }
.to-top:focus-visible { outline: 2px solid var(--orange); outline-offset: 4px; }
.js .to-top:not(.is-shown) { opacity: 0; translate: 0 16px; pointer-events: none; }

@media (max-width: 600px) {
  .to-top { width: 48px; height: 48px; }
  .to-top-ring { width: 48px; height: 48px; }
  .to-top-arrow { width: 20px; height: 20px; }
}

/* Slides ease in as they scroll into view; JS adds .js so no-JS visitors see everything. */
.js .slide { opacity: 0; translate: 0 24px; transition: opacity 0.7s ease, translate 0.7s ease; }
.js .slide.is-in { opacity: 1; translate: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .about-ring { animation: none; }
  .js .slide { opacity: 1; translate: none; transition: none; }
  .to-top { transition: none; }
}

@media (min-width: 900px) {
  :root { --gutter: 32px; }
}