:root {
  color-scheme: light;
  --mriya-primary: #052b6a;
  --mriya-secondary: #225da1;
  --mriya-gold: #d4a20c;
  --mriya-ink: #101827;
}

* { box-sizing: border-box; }
html, body { min-height: 100%; }

body.mriya-landing {
  min-height: 100svh;
  margin: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  overflow-x: hidden;
  background: #fff;
  color: var(--mriya-ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.landing-skip {
  position: fixed;
  z-index: 20;
  left: 1rem;
  top: -5rem;
  padding: .7rem 1rem;
  border-radius: .45rem;
  background: var(--mriya-primary);
  color: #fff;
}
.landing-skip:focus { top: 1rem; }

.landing-header,
.landing-footer {
  width: min(100%, 84rem);
  margin: 0 auto;
  padding-inline: clamp(1rem, 4vw, 3.5rem);
}

.landing-header {
  min-height: 4.4rem;
  display: flex;
  align-items: center;
  padding-top: max(.55rem, env(safe-area-inset-top));
}

.landing-platform {
  color: var(--mriya-primary);
  font-size: .82rem;
  font-weight: 760;
  letter-spacing: .1em;
  text-decoration: none;
}

.landing-main {
  min-height: 0;
  display: grid;
  place-items: center;
  padding: .35rem 1rem 1.15rem;
}

.landing-stage {
  width: min(100%, 52rem);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.landing-media {
  position: relative;
  width: min(88vw, 46rem, calc(100svh - 16.5rem));
  aspect-ratio: 1;
  overflow: hidden;
  background: #fff;
}

.landing-poster,
.landing-media video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.landing-poster { padding: 17%; }
.landing-media video { z-index: 1; background: #fff; }
.landing-media.is-fallback video { display: none; }
.landing-media.is-fallback .landing-motion { display: none; }

.landing-motion {
  position: absolute;
  z-index: 3;
  right: .6rem;
  bottom: .6rem;
  width: 2.35rem;
  height: 2.35rem;
  overflow: hidden;
  border: 1px solid rgba(5, 43, 106, .2);
  border-radius: 50%;
  background: rgba(255, 255, 255, .94);
  color: var(--mriya-primary);
  cursor: pointer;
}
.landing-motion::before { content: "Ⅱ"; font-weight: 900; }
.landing-motion[aria-pressed="true"]::before { content: "▶"; font-size: .76rem; }
.landing-motion:focus-visible { outline: 3px solid rgba(34, 93, 161, .35); outline-offset: 2px; }
.landing-motion span {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.landing-statement {
  min-height: 3.7rem;
  margin: .3rem 0 .55rem;
  display: grid;
  place-items: center;
  color: #243348;
  font-size: clamp(1.02rem, 2vw, 1.24rem);
  font-weight: 480;
  line-height: 1.4;
}
.landing-statement span { transition: opacity .18s ease; }
.landing-statement.is-changing span { opacity: 0; }

.landing-login {
  display: inline-flex;
  min-width: 10.5rem;
  min-height: 2.9rem;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--mriya-primary);
  border-radius: 999px;
  padding: .72rem 1.4rem;
  background: var(--mriya-primary);
  color: #fff;
  font-weight: 760;
  text-decoration: none;
  transition: background .18s ease, transform .18s ease;
}
.landing-login:hover,
.landing-login:focus-visible { background: var(--mriya-secondary); transform: translateY(-1px); }

.landing-footer {
  min-height: 3.55rem;
  display: grid;
  grid-template-columns: auto minmax(16rem, 1fr) auto;
  align-items: center;
  gap: 1rem;
  padding-bottom: max(.55rem, env(safe-area-inset-bottom));
  border-top: 1px solid rgba(5, 43, 106, .08);
}
.landing-rights {
  margin: 0;
  color: #536075;
  font-size: .72rem;
  line-height: 1.35;
  text-align: center;
}
.landing-footer nav,
.landing-languages { display: flex; align-items: center; gap: .9rem; }
.landing-footer a,
.landing-languages a {
  color: #536075;
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .07em;
  text-decoration: none;
}
.landing-languages a { padding: .42rem .2rem; border-bottom: 2px solid transparent; }
.landing-languages a.is-active { color: var(--mriya-primary); border-color: var(--mriya-gold); }

@media (max-width: 760px) {
  .landing-header { min-height: 3.8rem; }
  .landing-main { padding-top: 0; padding-bottom: .8rem; }
  .landing-media { width: min(88vw, 38rem, calc(100svh - 15.5rem)); }
  .landing-statement { margin-top: .15rem; }
  .landing-footer { grid-template-columns: 1fr auto; }
  .landing-rights { grid-column: 1 / -1; grid-row: 2; }
}

@media (max-width: 430px) {
  .landing-header,
  .landing-footer { padding-inline: .9rem; }
  .landing-main { padding-inline: .7rem; }
  .landing-media { width: min(91vw, calc(100svh - 16rem)); }
  .landing-statement { min-height: 3.55rem; font-size: 1rem; }
  .landing-footer { min-height: 3.4rem; }
}

@media (prefers-reduced-motion: reduce) {
  .landing-statement span,
  .landing-login { transition: none; }
}