/* =============================================
   Playspace / Another World VR Landing — Styles
   ============================================= */

:root {
  --color-bg: #0a0a0f;
  --color-bg-alt: #12121a;
  --color-bg-card: #1a1a26;
  --color-surface: #222233;
  --color-primary: #6366f1;
  --color-primary-light: #818cf8;
  --color-accent: #22d3ee;
  --color-accent-glow: rgba(34, 211, 238, 0.25);
  --color-primary-glow: rgba(99, 102, 241, 0.3);
  --color-text: #e2e8f0;
  --color-text-muted: #94a3b8;
  --color-text-dim: #64748b;
  --color-border: rgba(255, 255, 255, 0.08);
  --color-disclaimer-bg: #1e1b4b;
  --color-disclaimer-text: #c7d2fe;
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 60px var(--color-primary-glow);
  --container: 1140px;
  --header-h: 72px;
  --transition: 0.2s ease;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--color-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary-light); }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 1.25rem;
}

.container--narrow { max-width: 760px; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ---- Disclaimer ---- */
.disclaimer {
  background: var(--color-disclaimer-bg);
  color: var(--color-disclaimer-text);
  font-size: 0.8125rem;
  line-height: 1.5;
  border-bottom: 1px solid rgba(99, 102, 241, 0.3);
}

.disclaimer__inner {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding-block: 0.625rem;
}

.disclaimer__icon {
  flex-shrink: 0;
  margin-top: 2px;
  opacity: 0.8;
}

.disclaimer a {
  color: #a5b4fc;
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ---- Header ---- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  color: var(--color-text);
  font-weight: 700;
  font-size: 1.05rem;
}

.logo__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: 8px;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.logo__text em {
  font-style: normal;
  color: var(--color-accent);
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav__list a {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  font-weight: 500;
}

.nav__list a:hover { color: var(--color-text); }

.nav__cta {
  background: var(--color-primary) !important;
  color: #fff !important;
  padding: 0.5rem 1.125rem;
  border-radius: 8px;
  font-weight: 600 !important;
}

.nav__cta:hover {
  background: var(--color-primary-light) !important;
  color: #fff !important;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.9375rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-primary), #4f46e5);
  color: #fff;
  box-shadow: 0 4px 20px var(--color-primary-glow);
}

.btn--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 28px var(--color-primary-glow);
  color: #fff;
}

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn--ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary-light);
}

.btn--lg { padding: 1rem 2rem; font-size: 1rem; }
.btn--block { width: 100%; margin-top: 1.25rem; }

/* ---- Hero ---- */
.hero {
  position: relative;
  padding-block: 4rem 5rem;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 20%, var(--color-primary-glow), transparent),
    radial-gradient(ellipse 60% 50% at 20% 80%, var(--color-accent-glow), transparent);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero__eyebrow {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}

.highlight {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
  max-width: 540px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem 2rem;
  list-style: none;
}

.hero__trust li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.hero__trust svg { color: var(--color-accent); flex-shrink: 0; }

.hero__card {
  position: relative;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-glow);
}

.hero__card-glow {
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  opacity: 0.15;
  z-index: -1;
  filter: blur(20px);
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  text-align: center;
}

.stat__value {
  display: block;
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, #fff, var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}

.stat__label {
  display: block;
  font-size: 0.8125rem;
  color: var(--color-text-dim);
  margin-top: 0.375rem;
}

/* ---- Sections ---- */
.section {
  padding-block: 5rem;
}

.section--alt {
  background: var(--color-bg-alt);
}

.section--highlight {
  background: linear-gradient(180deg, var(--color-bg-alt) 0%, rgba(99, 102, 241, 0.06) 50%, var(--color-bg-alt) 100%);
}

.section__header {
  margin-bottom: 3rem;
  max-width: 720px;
}

.section__header--center {
  text-align: center;
  margin-inline: auto;
}

.section__eyebrow {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.section h2 {
  font-size: clamp(1.625rem, 3.5vw, 2.25rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section__lead {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.section__note {
  margin-top: 2rem;
  font-size: 0.8125rem;
  color: var(--color-text-dim);
  font-style: italic;
}

/* ---- Grid & Cards ---- */
.grid {
  display: grid;
  gap: 1.5rem;
}

.grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: border-color var(--transition), transform var(--transition);
}

.card:hover {
  border-color: rgba(99, 102, 241, 0.3);
  transform: translateY(-2px);
}

.card__icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.625rem;
}

.card p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ---- Split layout ---- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.feature-list {
  list-style: none;
  margin-top: 1.5rem;
}

.feature-list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 1rem;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.feature-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
}

.feature-list strong { color: var(--color-text); }

/* Tech diagram */
.tech-diagram__arena {
  position: relative;
  aspect-ratio: 1;
  background: var(--color-bg-card);
  border: 2px dashed rgba(99, 102, 241, 0.4);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.tech-diagram__label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.tech-diagram__player {
  position: absolute;
  width: 16px;
  height: 16px;
  background: var(--color-accent);
  border-radius: 50%;
  box-shadow: 0 0 16px var(--color-accent-glow);
  animation: pulse 2s ease-in-out infinite;
}

.tech-diagram__player--1 { top: 25%; left: 30%; animation-delay: 0s; }
.tech-diagram__player--2 { top: 60%; left: 65%; animation-delay: 0.6s; }
.tech-diagram__player--3 { top: 40%; left: 75%; animation-delay: 1.2s; }

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.7; }
}

/* ---- Comparison ---- */
.comparison {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1.5rem;
  align-items: stretch;
  max-width: 900px;
  margin-inline: auto;
}

.comparison__col {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem;
}

.comparison__col--highlight {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}

.comparison__col h3 {
  font-size: 1.125rem;
  margin-bottom: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.comparison__col ul {
  list-style: none;
}

.comparison__col li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.75rem;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.comparison__col li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-primary-light);
}

.comparison__vs {
  display: flex;
  align-items: center;
  font-weight: 800;
  font-size: 0.875rem;
  color: var(--color-text-dim);
}

.tag {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  background: var(--color-surface);
  color: var(--color-text-dim);
}

.tag--accent {
  background: rgba(99, 102, 241, 0.2);
  color: var(--color-primary-light);
}

/* ---- Experience cards ---- */
.experience-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem;
  position: relative;
  overflow: hidden;
}

.experience-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.experience-card__badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.experience-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.experience-card p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

/* ---- Reviews ---- */
.reviews {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.review {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.review p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  font-style: italic;
  margin-bottom: 1rem;
  line-height: 1.65;
}

.review p::before { content: '\201C'; color: var(--color-primary-light); }

.review footer {
  font-size: 0.8125rem;
  color: var(--color-text-dim);
  font-style: normal;
}

/* ---- FAQ ---- */
.faq__item {
  border-bottom: 1px solid var(--color-border);
  padding-block: 1.25rem;
}

.faq__item summary {
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.faq__item summary::-webkit-details-marker { display: none; }

.faq__item summary::after {
  content: '+';
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--color-primary-light);
  flex-shrink: 0;
  transition: transform var(--transition);
}

.faq__item[open] summary::after {
  transform: rotate(45deg);
}

.faq__item p {
  margin-top: 0.875rem;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  padding-right: 2rem;
}

/* ---- CTA Section ---- */
.cta-section {
  padding-block: 5rem;
  background:
    radial-gradient(ellipse 70% 80% at 50% 100%, var(--color-primary-glow), transparent),
    var(--color-bg);
  border-top: 1px solid var(--color-border);
}

.cta-section__inner {
  text-align: center;
}

.cta-section h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 1rem;
}

.cta-section p {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 560px;
  margin-inline: auto;
  margin-bottom: 2rem;
}

.cta-section__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.cta-section__address {
  font-style: normal;
  font-size: 0.9375rem;
  color: var(--color-text-dim);
  line-height: 1.8;
}

/* ---- Footer ---- */
.footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  padding-block: 3rem;
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
}

.footer__brand p {
  margin-top: 0.75rem;
  font-size: 0.875rem;
  color: var(--color-text-dim);
  max-width: 360px;
}

.footer__nav ul {
  list-style: none;
}

.footer__nav li { margin-bottom: 0.5rem; }

.footer__nav a {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.footer__legal {
  grid-column: 1 / -1;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.footer__legal small {
  font-size: 0.75rem;
  color: var(--color-text-dim);
  line-height: 1.6;
}

/* ---- Responsive ---- */
@media (max-width: 960px) {
  .hero__inner,
  .split,
  .comparison {
    grid-template-columns: 1fr;
  }

  .comparison__vs {
    justify-content: center;
    padding-block: 0.5rem;
  }

  .grid--3,
  .reviews {
    grid-template-columns: 1fr;
  }

  .hero__visual { order: -1; }
  .hero__stats { gap: 1rem; }
  .stat__value { font-size: 2rem; }
}

@media (max-width: 768px) {
  .nav__toggle { display: flex; }

  .nav__list {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.97);
    backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 1.5rem;
    gap: 0;
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s ease, opacity 0.3s ease;
  }

  .nav__list.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav__list li {
    width: 100%;
    border-bottom: 1px solid var(--color-border);
  }

  .nav__list a {
    display: block;
    padding: 0.875rem 0;
  }

  .nav__cta {
    margin-top: 0.5rem;
    text-align: center;
  }

  .footer__inner {
    grid-template-columns: 1fr;
  }

  .hero { padding-block: 2.5rem 3.5rem; }
  .section { padding-block: 3.5rem; }
}