:root {
  color-scheme: dark;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --bg: #0b0b0c;
  --text: #e8e8ea;
  --muted: #a4a4aa;
  --accent: #d0cb79;
  --border: #1b1b1f;
  --accent-soft: rgba(255, 61, 61, 0.25);
  --highlight: #ff3d3d;
  --radius: 16px;
  --transition: 160ms ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-family: var(--font-sans);
  font-size: 18px;
  background-color: var(--bg);
  color: var(--text);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: radial-gradient(120% 120% at 50% 0%, rgba(255, 61, 61, 0.08), transparent 60%), var(--bg);
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition), opacity var(--transition);
}

a:hover,
a:focus-visible {
  color: var(--accent);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

::selection {
  background: rgba(255, 219, 61, 0.3);
  color: var(--text);
}

.wrap {
  width: min(100%, 960px);
  margin: 0 auto;
  padding: 0 clamp(24px, 4vw, 32px);
}

.site-header {
  display: grid;
  place-items: center;
  gap: 12px;
  padding-top: clamp(32px, 2vw, 72px);
  padding-bottom: clamp(12px, 3vw, 20px);
}

.brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.brand-mark {
  width: clamp(96px, 18vw, 124px);
  height: auto;
  display: block;
}

.language-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(17, 17, 22, 0.72);
  border: 1px solid rgba(208, 203, 121, 0.18);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(10px);
}

.language-toggle a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  line-height: 1;
  transition: transform var(--transition), opacity var(--transition);
}

.language-toggle a[aria-current="page"] {
  opacity: 1;
  transform: translateY(-1px);
  filter: drop-shadow(0 0 6px rgba(208, 203, 121, 0.25));
}

.language-toggle a:not([aria-current="page"]) {
  opacity: 0.6;
}

.language-toggle a:not([aria-current="page"]):hover,
.language-toggle a:not([aria-current="page"]):focus-visible {
  opacity: 1;
  transform: translateY(-2px);
}

.card {
  background: rgba(13, 13, 16, 0.82);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: clamp(24px, 5vw, 48px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(8px);
}

.hero {
  display: grid;
  gap: clamp(24px, 4vw, 32px);
}

.hero-head h1 {
  font-size: clamp(2.2rem, 4vw + 1rem, 3.5rem);
  line-height: 1.05;
  margin: 0 0 16px;
}

.hero-head .lead {
  font-size: 1.05rem;
  line-height: 1.6;
  margin: 0 0 12px;
}

.question-block {
  position: relative;
  margin-top: clamp(12px, 2.6vw, 20px);
  padding: clamp(16px, 3vw, 22px);
  background: linear-gradient(145deg, rgba(208, 203, 121, 0.12), rgba(255, 61, 61, 0.04) 55%), rgba(15, 15, 19, 0.74);
  border: 1px solid rgba(208, 203, 121, 0.24);
  border-radius: calc(var(--radius) - 6px);
  display: grid;
  gap: clamp(14px, 2.4vw, 18px);
  box-shadow: 0 16px 28px rgba(0, 0, 0, 0.34);
  backdrop-filter: blur(9px);
  isolation: isolate;
}

.question-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.question-list li {
  padding: 12px 16px;
  border-radius: 12px;
  background: linear-gradient(125deg, rgba(18, 18, 24, 0.86), rgba(18, 18, 24, 0.68));
  border: 1px solid rgba(208, 203, 121, 0.18);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05), 0 4px 10px rgba(0, 0, 0, 0.26);
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(10px);
  animation: questionFade 420ms ease forwards;
}

.question-list p {
  margin: 0;
  font-style: italic;
  line-height: 1.6;
}

.question-summary {
  margin: 0;
  padding: 14px 16px;
  border-radius: 12px;
  background: linear-gradient(125deg, rgba(17, 17, 22, 0.78), rgba(17, 17, 22, 0.62));
  border: 1px solid rgba(208, 203, 121, 0.18);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  font-size: 1rem;
  line-height: 1.6;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.question-symbol {
  font-size: 1.25rem;
  filter: drop-shadow(0 0 6px rgba(255, 61, 61, 0.18));
}

.question-list li:nth-child(1) {
  animation-delay: 80ms;
}

.question-list li:nth-child(2) {
  animation-delay: 180ms;
}

.question-list li:nth-child(3) {
  animation-delay: 280ms;
}

.signup-notes {
  margin-top: 8px;
  padding: 14px 18px;
  border-radius: 12px;
  background: rgba(18, 18, 24, 0.62);
  border: 1px solid rgba(208, 203, 121, 0.16);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.55;
}

.signup-note-list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
}

.signup-note-list li::marker {
  color: rgba(208, 203, 121, 0.7);
}

@keyframes questionFade {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .question-list li {
    animation: none;
    opacity: 1;
    transform: none;
  }
}

.hero-actions {
  display: grid;
  gap: 12px;
  align-content: start;
}

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: 10px;
  background: var(--accent);
  color: var(--bg);
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
}

.cta:hover,
.cta:focus-visible {
  color: var(--bg);
  opacity: 0.92;
  transform: translateY(-1px);
  box-shadow: 0 12px 30px var(--accent-soft);
}

.cta:active {
  transform: translateY(0);
}

.muted {
  color: var(--muted);
}

.hero-subtext {
  margin: 0;
  font-size: 0.9rem;
}

.site-footer {
  margin-top: auto;
  text-align: center;
  padding: clamp(24px, 5vw, 48px) 0;
  font-size: 0.85rem;
  letter-spacing: 0.01em;
}

.site-footer a {
  color: var(--muted);
}

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

.page-alt {
  --bg: #151518;
  --text: #f4f4f6;
  --muted: #b5b6c4;
  --accent: #d0cb79;
  --border: #2a2a30;
  --accent-soft: rgba(208, 203, 121, 0.28);
  background: #151518;
  color: var(--text);
}

body.page-alt {
  background: radial-gradient(120% 120% at 20% 0%, rgba(208, 203, 121, 0.12), transparent 55%),
    linear-gradient(140deg, #1d1d21 0%, #151518 40%, #0f0f12 100%);
}

.page-alt .site-header {
  position: relative;
}

.page-alt .brand {
  padding: 0;
  border: none;
  background: transparent;
  box-shadow: none;
}

.page-alt .brand-mark {
  width: clamp(200px, 50vw, 280px);
  height: auto;
  display: block;
}

.page-alt .card {
  background: rgba(27, 27, 33, 0.9);
  border: 1px solid rgba(208, 203, 121, 0.2);
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.5);
}

.page-alt .hero {
  border-radius: 28px;
  position: relative;
  overflow: hidden;
}

.page-alt .hero-head h1 {
  text-shadow: 0 6px 24px rgba(0, 0, 0, 0.6);
}

.page-alt .hero-head .lead {
  color: var(--muted);
}

.page-alt .hero-subtext {
  color: rgba(208, 203, 121, 0.82);
}

.page-alt .site-footer a {
  color: var(--accent);
}

@media (max-width: 600px) {
  html {
    font-size: 16px;
  }

  .site-header {
    justify-items: center;
    text-align: center;
    gap: 12px;
  }

  .card {
    padding: 24px;
  }

  .frame iframe {
    height: 70vh;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}