/* Квест-марафон — layout / landing. No frameworks. */

:root {
  --qm-bg: #02050c;
  --qm-bg-elevated: #060b18;
  --qm-line: rgba(255, 255, 255, 0.18);
  --qm-line-soft: rgba(255, 255, 255, 0.1);
  --qm-text: #ffffff;
  --qm-muted: rgba(255, 255, 255, 0.62);
  --qm-accent: #f8c62e;
  --qm-accent-soft: rgba(248, 198, 46, 0.35);
  --qm-highlight: #3a527a;
  --qm-cyan: #5ec8ff;
  --qm-cyan-soft: rgba(94, 200, 255, 0.28);
  --qm-cyan-glow: rgba(94, 200, 255, 0.45);
  --qm-glass: rgba(12, 22, 48, 0.55);
  --qm-glass-strong: rgba(8, 16, 36, 0.78);
  --qm-font-display: "Fixel Display", "Fixel Text", system-ui, sans-serif;
  --qm-font-head: "Fixel Text", "Fixel Display", system-ui, sans-serif;
  --qm-font-body: "Inter", system-ui, sans-serif;
  --qm-radius: 12px;
  --qm-radius-sm: 6px;
  --qm-pad-y: 10px;
  --qm-gap: 8px;
  --qm-header-h: 38px;
  --qm-logo-w: 88px;
  --qm-lang-blue: #153a8c;
  --qm-lang-blue-on-dark: #7ec8ff;
  --qm-lang-w: 64px;
  --qm-lang-h: 40px;
}

* { box-sizing: border-box; }

html {
  height: 100%;
  -webkit-text-size-adjust: 100%;
}

.qm-body {
  --qm-pad-top: max(var(--qm-pad-y), env(safe-area-inset-top));
  margin: 0;
  background: var(--qm-bg);
  color: var(--qm-text);
  font-family: var(--qm-font-body);
  padding: var(--qm-pad-y);
  padding-top: var(--qm-pad-top);
  padding-bottom: max(var(--qm-pad-y), env(safe-area-inset-bottom));
  padding-left: max(var(--qm-pad-y), env(safe-area-inset-left));
  padding-right: max(var(--qm-pad-y), env(safe-area-inset-right));
  display: flex;
  flex-direction: column;
  gap: var(--qm-gap);
  width: 100%;
  max-width: 100%;
  min-width: 0;
  /* Fill viewport via html% chain — avoids Windows 100vh overflow
     (classic scrollbar, DPI scaling, browser chrome). No min-height:100vh:
     it stacked with padding and forced document scroll. */
  height: 100%;
  max-height: 100%;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: hidden;
  position: relative;
  isolation: isolate;
}

@supports (height: 100dvh) {
  .qm-body {
    height: 100dvh;
    max-height: 100dvh;
  }
}

.qm-body--home {
  overflow: hidden;
}

.qm-header {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  overflow: visible;
  height: var(--qm-header-h);
  position: relative;
  z-index: 8;
  padding-left: max(16px, env(safe-area-inset-left));
}

a.qm-header__brand,
a.qm-header__brand:visited,
a.qm-header__brand:hover {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  min-width: 0;
  flex: 0 0 auto;
  width: var(--qm-logo-w);
  height: var(--qm-header-h);
  color: var(--qm-text);
  text-decoration: none;
  -webkit-text-decoration: none;
}

.qm-brand-name {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  line-height: 1;
  text-decoration: none;
  flex-shrink: 0;
  width: 100%;
  max-width: 100%;
  height: auto;
}

.qm-brand-name__text {
  display: block;
  font-family: var(--qm-font-head);
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--qm-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.15;
  width: 100%;
  max-width: 100%;
  text-align: center;
}

.qm-brand-bars {
  display: flex;
  align-items: center;
  gap: 3px;
  width: 100%;
  max-width: 100%;
  height: 3px;
  padding: 0 1px;
}

.qm-brand-bars__seg {
  position: relative;
  flex: 1 1 0;
  min-width: 0;
  height: 100%;
  border-radius: 999px;
  background: rgba(94, 200, 255, 0.16);
  overflow: hidden;
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
}

.qm-brand-bars__fill {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: #2a6f8f;
  box-shadow: 0 0 4px rgba(42, 111, 143, 0.7), 0 0 8px rgba(42, 111, 143, 0.35);
  -webkit-transform: scaleX(0);
  transform: scaleX(0);
  -webkit-transform-origin: left center;
  transform-origin: left center;
  opacity: 0;
  will-change: transform, opacity;
  -webkit-animation: qm-brand-bar-1 8s linear infinite;
  animation: qm-brand-bar-1 8s linear infinite;
}

.qm-brand-bars__seg:nth-child(2) .qm-brand-bars__fill {
  background: #3d8faf;
  box-shadow: 0 0 4px rgba(61, 143, 175, 0.75), 0 0 9px rgba(61, 143, 175, 0.4);
  -webkit-animation-name: qm-brand-bar-2;
  animation-name: qm-brand-bar-2;
}

.qm-brand-bars__seg:nth-child(3) .qm-brand-bars__fill {
  background: #5eb8d8;
  box-shadow: 0 0 5px rgba(94, 184, 216, 0.8), 0 0 10px rgba(94, 184, 216, 0.45);
  -webkit-animation-name: qm-brand-bar-3;
  animation-name: qm-brand-bar-3;
}

.qm-brand-bars__seg:nth-child(4) .qm-brand-bars__fill {
  background: #9ae6ff;
  box-shadow: 0 0 5px rgba(154, 230, 255, 0.9), 0 0 12px rgba(94, 200, 255, 0.5);
  -webkit-animation-name: qm-brand-bar-4;
  animation-name: qm-brand-bar-4;
}

.qm-brand-bars__seg:nth-child(5) .qm-brand-bars__fill {
  background: #f2fbff;
  box-shadow: 0 0 6px rgba(255, 255, 255, 0.95), 0 0 14px rgba(158, 230, 255, 0.65);
  -webkit-animation-name: qm-brand-bar-5;
  animation-name: qm-brand-bar-5;
}

/* Світло йде рискою за рискою; потухання — спільне через opacity */
@-webkit-keyframes qm-brand-bar-1 {
  0% {
    -webkit-transform: scaleX(0); transform: scaleX(0); opacity: 1;
    -webkit-animation-timing-function: cubic-bezier(0.33, 0, 0.15, 1);
    animation-timing-function: cubic-bezier(0.33, 0, 0.15, 1);
  }
  16% {
    -webkit-transform: scaleX(1); transform: scaleX(1); opacity: 1;
    -webkit-animation-timing-function: linear;
    animation-timing-function: linear;
  }
  86% {
    -webkit-transform: scaleX(1); transform: scaleX(1); opacity: 1;
    -webkit-animation-timing-function: ease-out;
    animation-timing-function: ease-out;
  }
  96% {
    -webkit-transform: scaleX(1); transform: scaleX(1); opacity: 0;
    -webkit-animation-timing-function: step-end;
    animation-timing-function: step-end;
  }
  100% { -webkit-transform: scaleX(0); transform: scaleX(0); opacity: 0; }
}

@keyframes qm-brand-bar-1 {
  0% {
    transform: scaleX(0); opacity: 1;
    animation-timing-function: cubic-bezier(0.33, 0, 0.15, 1);
  }
  16% {
    transform: scaleX(1); opacity: 1;
    animation-timing-function: linear;
  }
  86% {
    transform: scaleX(1); opacity: 1;
    animation-timing-function: ease-out;
  }
  96% {
    transform: scaleX(1); opacity: 0;
    animation-timing-function: step-end;
  }
  100% { transform: scaleX(0); opacity: 0; }
}

@-webkit-keyframes qm-brand-bar-2 {
  0%, 16% {
    -webkit-transform: scaleX(0); transform: scaleX(0); opacity: 1;
    -webkit-animation-timing-function: cubic-bezier(0.33, 0, 0.15, 1);
    animation-timing-function: cubic-bezier(0.33, 0, 0.15, 1);
  }
  32% {
    -webkit-transform: scaleX(1); transform: scaleX(1); opacity: 1;
    -webkit-animation-timing-function: linear;
    animation-timing-function: linear;
  }
  86% {
    -webkit-transform: scaleX(1); transform: scaleX(1); opacity: 1;
    -webkit-animation-timing-function: ease-out;
    animation-timing-function: ease-out;
  }
  96% {
    -webkit-transform: scaleX(1); transform: scaleX(1); opacity: 0;
    -webkit-animation-timing-function: step-end;
    animation-timing-function: step-end;
  }
  100% { -webkit-transform: scaleX(0); transform: scaleX(0); opacity: 0; }
}

@keyframes qm-brand-bar-2 {
  0%, 16% {
    transform: scaleX(0); opacity: 1;
    animation-timing-function: cubic-bezier(0.33, 0, 0.15, 1);
  }
  32% {
    transform: scaleX(1); opacity: 1;
    animation-timing-function: linear;
  }
  86% {
    transform: scaleX(1); opacity: 1;
    animation-timing-function: ease-out;
  }
  96% {
    transform: scaleX(1); opacity: 0;
    animation-timing-function: step-end;
  }
  100% { transform: scaleX(0); opacity: 0; }
}

@-webkit-keyframes qm-brand-bar-3 {
  0%, 32% {
    -webkit-transform: scaleX(0); transform: scaleX(0); opacity: 1;
    -webkit-animation-timing-function: cubic-bezier(0.33, 0, 0.15, 1);
    animation-timing-function: cubic-bezier(0.33, 0, 0.15, 1);
  }
  48% {
    -webkit-transform: scaleX(1); transform: scaleX(1); opacity: 1;
    -webkit-animation-timing-function: linear;
    animation-timing-function: linear;
  }
  86% {
    -webkit-transform: scaleX(1); transform: scaleX(1); opacity: 1;
    -webkit-animation-timing-function: ease-out;
    animation-timing-function: ease-out;
  }
  96% {
    -webkit-transform: scaleX(1); transform: scaleX(1); opacity: 0;
    -webkit-animation-timing-function: step-end;
    animation-timing-function: step-end;
  }
  100% { -webkit-transform: scaleX(0); transform: scaleX(0); opacity: 0; }
}

@keyframes qm-brand-bar-3 {
  0%, 32% {
    transform: scaleX(0); opacity: 1;
    animation-timing-function: cubic-bezier(0.33, 0, 0.15, 1);
  }
  48% {
    transform: scaleX(1); opacity: 1;
    animation-timing-function: linear;
  }
  86% {
    transform: scaleX(1); opacity: 1;
    animation-timing-function: ease-out;
  }
  96% {
    transform: scaleX(1); opacity: 0;
    animation-timing-function: step-end;
  }
  100% { transform: scaleX(0); opacity: 0; }
}

@-webkit-keyframes qm-brand-bar-4 {
  0%, 48% {
    -webkit-transform: scaleX(0); transform: scaleX(0); opacity: 1;
    -webkit-animation-timing-function: cubic-bezier(0.33, 0, 0.15, 1);
    animation-timing-function: cubic-bezier(0.33, 0, 0.15, 1);
  }
  64% {
    -webkit-transform: scaleX(1); transform: scaleX(1); opacity: 1;
    -webkit-animation-timing-function: linear;
    animation-timing-function: linear;
  }
  86% {
    -webkit-transform: scaleX(1); transform: scaleX(1); opacity: 1;
    -webkit-animation-timing-function: ease-out;
    animation-timing-function: ease-out;
  }
  96% {
    -webkit-transform: scaleX(1); transform: scaleX(1); opacity: 0;
    -webkit-animation-timing-function: step-end;
    animation-timing-function: step-end;
  }
  100% { -webkit-transform: scaleX(0); transform: scaleX(0); opacity: 0; }
}

@keyframes qm-brand-bar-4 {
  0%, 48% {
    transform: scaleX(0); opacity: 1;
    animation-timing-function: cubic-bezier(0.33, 0, 0.15, 1);
  }
  64% {
    transform: scaleX(1); opacity: 1;
    animation-timing-function: linear;
  }
  86% {
    transform: scaleX(1); opacity: 1;
    animation-timing-function: ease-out;
  }
  96% {
    transform: scaleX(1); opacity: 0;
    animation-timing-function: step-end;
  }
  100% { transform: scaleX(0); opacity: 0; }
}

@-webkit-keyframes qm-brand-bar-5 {
  0%, 64% {
    -webkit-transform: scaleX(0); transform: scaleX(0); opacity: 1;
    -webkit-animation-timing-function: cubic-bezier(0.33, 0, 0.15, 1);
    animation-timing-function: cubic-bezier(0.33, 0, 0.15, 1);
  }
  80% {
    -webkit-transform: scaleX(1); transform: scaleX(1); opacity: 1;
    -webkit-animation-timing-function: linear;
    animation-timing-function: linear;
  }
  86% {
    -webkit-transform: scaleX(1); transform: scaleX(1); opacity: 1;
    -webkit-animation-timing-function: ease-out;
    animation-timing-function: ease-out;
  }
  96% {
    -webkit-transform: scaleX(1); transform: scaleX(1); opacity: 0;
    -webkit-animation-timing-function: step-end;
    animation-timing-function: step-end;
  }
  100% { -webkit-transform: scaleX(0); transform: scaleX(0); opacity: 0; }
}

@keyframes qm-brand-bar-5 {
  0%, 64% {
    transform: scaleX(0); opacity: 1;
    animation-timing-function: cubic-bezier(0.33, 0, 0.15, 1);
  }
  80% {
    transform: scaleX(1); opacity: 1;
    animation-timing-function: linear;
  }
  86% {
    transform: scaleX(1); opacity: 1;
    animation-timing-function: ease-out;
  }
  96% {
    transform: scaleX(1); opacity: 0;
    animation-timing-function: step-end;
  }
  100% { transform: scaleX(0); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .qm-brand-bars__fill {
    -webkit-animation: none;
    animation: none;
    -webkit-transform: scaleX(1);
    transform: scaleX(1);
    opacity: 0.85;
  }
}

.qm-logo {
  display: block;
  line-height: 0;
  text-decoration: none;
  flex-shrink: 0;
  width: var(--qm-logo-w);
  height: 42px;
  overflow: visible;
  position: relative;
}

.qm-logo__img {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 100%;
  height: auto;
  max-height: 42px;
  max-width: none;
  object-fit: contain;
  display: block;
  -webkit-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
}

.qm-nav--desktop {
  display: none;
  align-items: center;
  gap: 22px;
  margin-left: 0;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.qm-nav__link {
  position: relative;
  color: var(--qm-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.08em;
  white-space: nowrap;
  padding: 4px 0;
  border: 0;
  text-transform: uppercase;
  transition: color 0.15s ease;
}

.qm-nav__link:hover {
  color: var(--qm-accent);
}

.qm-nav__link--active {
  color: var(--qm-accent);
}

/* Underline only when active — no transparent border (1px GPU artifact). */
.qm-nav__link--active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--qm-accent);
  pointer-events: none;
}

.qm-header__actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  overflow: visible;
}

.qm-auth-icons {
  display: none;
  align-items: center;
  gap: 8px;
}

.qm-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  color: var(--qm-muted);
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--qm-radius-sm);
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
  -webkit-tap-highlight-color: transparent;
}

.qm-icon-btn:hover {
  color: var(--qm-accent);
  border-color: var(--qm-accent-soft);
  background: rgba(248, 198, 46, 0.06);
}

.qm-icon {
  width: 18px;
  height: 18px;
  display: block;
}

.qm-langs {
  --qm-langs-w: 78px;
  --qm-langs-h: 24px;
  position: relative;
  display: inline-block;
  width: var(--qm-langs-w);
  height: var(--qm-langs-h);
  padding: 0;
  overflow: visible;
  flex: 0 0 auto;
  z-index: 3;
  -webkit-tap-highlight-color: transparent;
}

/* Soft ambient backlight (autumn-card style): feathered, near the edge */
.qm-langs__glow {
  position: absolute;
  top: 50%;
  width: 48%;
  height: 88%;
  border-radius: 10px;
  pointer-events: none;
  z-index: 0;
  -webkit-transform: translateY(-50%);
  transform: translateY(-50%);
  opacity: 0.85;
  -webkit-filter: blur(9px);
  filter: blur(9px);
}

.qm-langs--uk .qm-langs__glow {
  left: 3%;
  background: rgba(94, 200, 255, 0.8);
  box-shadow:
    0 0 14px 4px rgba(94, 200, 255, 0.45),
    0 0 24px 8px rgba(94, 200, 255, 0.25);
}

.qm-langs--ru .qm-langs__glow {
  left: auto;
  right: 3%;
  background: rgba(220, 100, 255, 0.8);
  box-shadow:
    0 0 14px 4px rgba(220, 100, 255, 0.45),
    0 0 24px 8px rgba(220, 100, 255, 0.25);
}

.qm-langs__art {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  pointer-events: none;
  -webkit-user-select: none;
  user-select: none;
  -webkit-filter: brightness(1.1) contrast(1.04) saturate(1.1);
  filter: brightness(1.1) contrast(1.04) saturate(1.1);
  transition: filter 0.18s ease, -webkit-filter 0.18s ease;
}

/* Soft dim on inactive half — feathered toward the join, no hard square */
.qm-langs__dim {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 54%;
  z-index: 1;
  pointer-events: none;
  background: rgba(2, 6, 14, 0.55);
}

.qm-langs--uk .qm-langs__dim {
  left: auto;
  right: 0;
  -webkit-mask-image: linear-gradient(to right, transparent 0%, #000 18%, #000 100%);
  mask-image: linear-gradient(to right, transparent 0%, #000 18%, #000 100%);
}

.qm-langs--ru .qm-langs__dim {
  left: 0;
  right: auto;
  -webkit-mask-image: linear-gradient(to left, transparent 0%, #000 18%, #000 100%);
  mask-image: linear-gradient(to left, transparent 0%, #000 18%, #000 100%);
}

.qm-langs:has(.qm-lang:hover) .qm-langs__art,
.qm-langs:has(.qm-lang:focus-visible) .qm-langs__art {
  -webkit-filter: brightness(1.18) contrast(1.06) saturate(1.14);
  filter: brightness(1.18) contrast(1.06) saturate(1.14);
}

.qm-lang,
.qm-lang:visited,
a.qm-lang,
a.qm-lang:visited,
button.qm-lang {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 52%;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  color: transparent;
  text-decoration: none;
  -webkit-text-decoration: none;
  z-index: 2;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  border-radius: 10px;
}

.qm-lang--ua {
  left: 0;
  right: auto;
}

.qm-lang--ru {
  left: auto;
  right: 0;
}

.qm-lang__code {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.qm-lang:focus-visible {
  outline: 2px solid rgba(94, 200, 255, 0.65);
  outline-offset: 2px;
  border-radius: 8px;
}

.qm-burger {
  position: relative;
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--qm-line);
  border-radius: var(--qm-radius);
  background: transparent;
  color: var(--qm-text);
  cursor: pointer;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

.qm-burger__lines {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.qm-burger__line {
  width: 14px;
  height: 1.5px;
  background: currentColor;
  display: block;
}

.qm-burger__close {
  display: none;
  width: 18px;
  height: 18px;
}

.qm-burger[aria-expanded="true"] .qm-burger__lines {
  display: none;
}

.qm-burger[aria-expanded="true"] .qm-burger__close {
  display: block;
}

.qm-body.qm-menu-open .qm-header {
  z-index: 60;
}

.qm-body.qm-menu-open .qm-header__brand,
.qm-body.qm-menu-open .qm-langs {
  visibility: hidden;
  pointer-events: none;
}

/* ---------- Main / shared frame ---------- */

.qm-main {
  flex: 1;
  min-height: 0;
  min-width: 0;
  width: 100%;
  display: flex;
  flex-direction: column;
}

.qm-frame {
  border: 1px solid var(--qm-line);
  border-radius: var(--qm-radius);
  position: relative;
  padding: 28px 18px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  flex: 1;
  width: 100%;
  min-width: 0;
  min-height: 0;
  align-self: stretch;
  box-sizing: border-box;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

/* Hide classic horizontal scrollbar arrows (1px overflow artifact). */
.qm-frame::-webkit-scrollbar:horizontal {
  height: 0;
}

h1, h2,
.qm-title {
  font-family: var(--qm-font-display);
}

h3, h4, h5, h6 {
  font-family: var(--qm-font-head);
}

.qm-title {
  font-weight: 700;
  font-size: 30px;
  margin: 0;
  letter-spacing: 0.01em;
}

.qm-tagline {
  font-size: 15px;
  color: var(--qm-muted);
  margin: 0;
  line-height: 1.5;
  overflow-wrap: anywhere;
  word-wrap: break-word;
}

.qm-btn {
  font-family: var(--qm-font-body);
  font-weight: 600;
  font-size: 15px;
  text-align: center;
  text-decoration: none;
  border-radius: var(--qm-radius);
  padding: 14px 28px;
  border: 1px solid transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  -webkit-tap-highlight-color: transparent;
  transform: translateZ(0);
  transition:
    border-color 0.15s ease,
    color 0.15s ease,
    background 0.15s ease,
    box-shadow 0.15s ease,
    transform 0.12s ease;
}

.qm-btn--primary {
  color: #1a1408;
  background: linear-gradient(180deg, #ffe27a 0%, var(--qm-accent) 46%, #d4a41c 100%);
  border-color: #c48f10;
  border-top-color: #fff1a8;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.58),
    inset 0 -2px 3px rgba(110, 72, 0, 0.28),
    0 4px 0 #b07d0c,
    0 8px 16px rgba(0, 0, 0, 0.38),
    0 0 18px rgba(248, 198, 46, 0.24);
}

.qm-btn--primary:hover {
  background: linear-gradient(180deg, #ffea96 0%, #ffd040 46%, #e0b020 100%);
  border-color: #d4a41c;
  border-top-color: #fff8d0;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.68),
    inset 0 -2px 3px rgba(110, 72, 0, 0.22),
    0 5px 0 #c48f10,
    0 10px 18px rgba(0, 0, 0, 0.4),
    0 0 22px rgba(248, 198, 46, 0.32);
}

.qm-btn--primary:active {
  transform: translateY(3px);
  box-shadow:
    inset 0 2px 5px rgba(80, 50, 0, 0.38),
    0 1px 0 #b07d0c,
    0 4px 10px rgba(0, 0, 0, 0.32);
}

.qm-btn--outline,
.qm-btn--ghost {
  background: linear-gradient(180deg, rgba(40, 58, 92, 0.55) 0%, rgba(8, 14, 28, 0.72) 100%);
  color: var(--qm-text);
  border-color: var(--qm-line);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.14),
    0 3px 0 rgba(0, 0, 0, 0.38),
    0 7px 14px rgba(0, 0, 0, 0.28);
}

.qm-btn--outline:hover,
.qm-btn--ghost:hover {
  color: var(--qm-accent);
  border-color: var(--qm-accent);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.18),
    0 4px 0 rgba(0, 0, 0, 0.4),
    0 8px 16px rgba(0, 0, 0, 0.32);
}

.qm-btn--outline:active,
.qm-btn--ghost:active {
  transform: translateY(2px);
  box-shadow:
    inset 0 2px 4px rgba(0, 0, 0, 0.35),
    0 1px 0 rgba(0, 0, 0, 0.3);
}

.qm-btn--block { width: 100%; }

.qm-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  color: var(--qm-muted);
  border-color: var(--qm-line-soft);
  background: var(--qm-bg-elevated);
  box-shadow: none;
  transform: none;
  pointer-events: none;
}

/* ---------- Landing home ---------- */

.qm-home {
  border: 0;
  border-radius: 0;
  position: relative;
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  min-width: 0;
  max-width: 100%;
  width: 100%;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  gap: 0;
}

.qm-intro,
.qm-preview {
  position: relative;
  overflow: visible;
  border-bottom: 1px solid var(--qm-line);
  min-height: 0;
  flex-shrink: 0;
  min-width: 0;
  max-width: 100%;
}

.qm-preview {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.qm-preview__stage {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  overflow: hidden;
}

.qm-preview__media {
  position: absolute;
  inset: 0;
  z-index: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 38% 52%;
  -webkit-transform: scale(1.28);
  transform: scale(1.28);
  -webkit-transform-origin: 38% 52%;
  transform-origin: 38% 52%;
  -webkit-filter: brightness(1.12) contrast(1.06) saturate(1.08);
  filter: brightness(1.12) contrast(1.06) saturate(1.08);
  pointer-events: none;
  -webkit-user-select: none;
  user-select: none;
}

.qm-intro__content {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 16px;
  justify-content: flex-start;
  min-width: 0;
  max-width: 100%;
}

.qm-rules-heading {
  font-family: var(--qm-font-head);
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--qm-muted);
  margin: 10px 0 0;
}

.qm-rules-list {
  margin: 0;
  padding: 0 0 0 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.qm-rules-list__item {
  font-size: 14px;
  line-height: 1.5;
  min-width: 0;
}

.qm-rules-list__text {
  min-width: 0;
  overflow-wrap: anywhere;
  word-wrap: break-word;
}

.qm-counter {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2px;
  border-top: 0;
  padding: 14px 16px;
  flex-shrink: 0;
}

.qm-counter__value {
  font-family: var(--qm-font-display);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 0.05em;
  font-variant-numeric: tabular-nums;
  color: var(--qm-accent);
}

.qm-counter__label {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--qm-accent);
  opacity: 0.75;
}

.qm-preview__content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px 16px;
  gap: 20px;
  min-width: 0;
  max-width: 100%;
  flex: 0 0 auto;
  box-sizing: border-box;
  background: transparent;
}

.qm-preview__copy {
  min-width: 0;
  max-width: 100%;
}

.qm-preview__heading {
  font-family: var(--qm-font-head);
  font-size: 18px;
  margin: 0 0 8px;
}

.qm-preview__text {
  font-size: 14px;
  color: var(--qm-muted);
  margin: 0;
  line-height: 1.55;
  overflow-wrap: anywhere;
  word-wrap: break-word;
}

.qm-file-tags {
  display: flex;
  gap: 8px;
  margin-top: 14px;
  flex-wrap: nowrap;
  justify-content: center;
  width: 100%;
}

.qm-file-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  width: 64px;
  height: 32px;
  min-width: 64px;
  min-height: 32px;
  padding: 0;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--qm-muted);
  border: 1px solid var(--qm-line-soft);
  border-radius: 999px;
  line-height: 1;
  text-align: center;
}