/* ============================================================
   SplatXR shared theme — orange/red palette, used by home + docs
   ============================================================ */

:root {
  --sx-orange: #ff6a3d;
  --sx-orange-dark: #e8501f;
  --sx-red: #e0293e;
  --sx-red-dark: #b71c2b;
  --sx-gradient: linear-gradient(135deg, #ff9558 0%, #ff5f3d 45%, #e0293e 100%);
  --sx-bg-gradient: linear-gradient(180deg, #ffffff 0%, #fffaf6 35%, #fff2e6 100%);
  --sx-text: #2b1c14;
  --sx-text-light: #6b5a4e;
  --sx-border: #ffe1cc;
  --sx-card-bg: rgba(255, 255, 255, 0.85);
  --sx-code-bg: #2b1c14;
}

* { box-sizing: border-box; }

html, body {
  background: var(--sx-bg-gradient);
  color: var(--sx-text);
  font-family: 'Inter', 'Noto Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  min-height: 100vh;
}

a { color: var(--sx-red-dark); }
a:hover { color: var(--sx-orange-dark); }

::selection { background: var(--sx-orange); color: #fff; }

/* ---------- Top nav ---------- */
.sx-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.75rem;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--sx-border);
}

.sx-nav-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: 0.02em;
  color: var(--sx-text) !important;
}

.sx-nav-brand img { height: 28px; width: 28px; }

.sx-nav-links {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  font-weight: 600;
  font-size: 0.95rem;
}

.sx-nav-links a {
  color: var(--sx-text) !important;
  opacity: 0.85;
  transition: opacity 0.15s, color 0.15s;
}

.sx-nav-links a:hover { opacity: 1; color: var(--sx-orange-dark) !important; }

.sx-nav-links a.is-active { color: var(--sx-red-dark) !important; opacity: 1; }

.sx-nav-links .sx-nav-cta {
  background: var(--sx-gradient);
  color: #fff !important;
  padding: 0.45rem 1rem;
  border-radius: 999px;
  opacity: 1;
}

.sx-nav-links .sx-nav-cta:hover { color: #fff !important; }

.sx-nav-burger {
  display: none;
  cursor: pointer;
  background: none;
  border: none;
  font-size: 1.4rem;
  color: var(--sx-text);
}

@media screen and (max-width: 768px) {
  .sx-nav-burger { display: block; }
  .sx-nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.9rem;
    padding: 1rem 1.75rem 1.4rem;
    background: var(--sx-card-bg);
    border-bottom: 1px solid var(--sx-border);
    display: none;
  }
  .sx-nav-links.is-active { display: flex; }
}

/* ---------- Buttons ---------- */
.sx-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 1.7rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 1.05rem;
  border: 2px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  cursor: pointer;
}

.sx-btn:hover { transform: translateY(-2px); }

.sx-btn:focus { outline: none; }
.sx-btn:focus-visible { outline: 2px solid var(--sx-red-dark); outline-offset: 3px; }

.sx-btn-primary {
  background: var(--sx-gradient);
  color: #fff !important;
  box-shadow: none;
  border: none;
  padding: calc(0.9rem + 2px) calc(1.7rem + 2px);
}

.sx-btn-outline {
  background: var(--sx-card-bg);
  color: var(--sx-red-dark) !important;
  border-color: rgba(224, 41, 62, 0.28);
  box-shadow: none;
}

.sx-btn-outline:hover { border-color: var(--sx-red-dark); box-shadow: 0 4px 14px 0 rgba(224, 41, 62, 0.14); }

.sx-btn-small { padding: 0.5rem 1.1rem; font-size: 0.9rem; }

.sx-btn-disabled { cursor: default; }
.sx-btn-disabled:hover { transform: none; border-color: rgba(224, 41, 62, 0.28); box-shadow: none; }

/* ---------- Tooltip ---------- */
.sx-tooltip { position: relative; }

/* Lift the hovered element so its tooltip isn't hidden by later siblings
   (the hover transform on .sx-btn traps the pseudo-element's z-index). */
.sx-tooltip:hover,
.sx-tooltip:focus-visible { z-index: 30; }

.sx-tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  top: calc(100% + 0.55rem);
  left: 50%;
  transform: translateX(-50%) translateY(-4px);
  background: var(--sx-text);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  padding: 0.35rem 0.7rem;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.15s ease, transform 0.15s ease;
  z-index: 30;
}

.sx-tooltip::before {
  content: '';
  position: absolute;
  top: calc(100% + 0.25rem);
  left: 50%;
  transform: translateX(-50%) translateY(-4px);
  border: 5px solid transparent;
  border-bottom-color: var(--sx-text);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.15s ease, transform 0.15s ease;
  z-index: 30;
}

.sx-tooltip:hover::after,
.sx-tooltip:hover::before,
.sx-tooltip:focus-visible::after,
.sx-tooltip:focus-visible::before {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* ---------- Cards / sections ---------- */
.sx-card {
  background: var(--sx-card-bg);
  border: 1px solid var(--sx-border);
  border-radius: 18px;
  box-shadow: 0 4px 24px 0 rgba(224, 41, 62, 0.07);
  padding: 1.5rem;
}

.sx-eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--sx-red-dark);
  margin-bottom: 0.5rem;
}

.sx-title-gradient {
  background: var(--sx-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Placeholder media ---------- */
.sx-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 14px;
  border: 2px dashed var(--sx-border);
  background: repeating-linear-gradient(
    135deg,
    rgba(255, 106, 61, 0.06),
    rgba(255, 106, 61, 0.06) 10px,
    rgba(224, 41, 62, 0.06) 10px,
    rgba(224, 41, 62, 0.06) 20px
  );
  color: var(--sx-text-light);
  text-align: center;
  padding: 1rem;
}

.sx-placeholder i { font-size: 2rem; color: var(--sx-orange); opacity: 0.8; }
.sx-placeholder .sx-placeholder-title { font-weight: 700; color: var(--sx-text); }
.sx-placeholder .sx-placeholder-path {
  font-family: 'SFMono-Regular', Consolas, monospace;
  font-size: 0.78rem;
  background: rgba(0, 0, 0, 0.06);
  padding: 0.15rem 0.5rem;
  border-radius: 6px;
}

.sx-placeholder.sx-placeholder-square { aspect-ratio: 1 / 1; }

/* ---------- Code ---------- */
code, pre {
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
}

pre {
  background: var(--sx-code-bg);
  color: #ffe7d9;
  border-radius: 12px;
  padding: 1rem 1.2rem;
  overflow-x: auto;
  font-size: 0.88rem;
  line-height: 1.55;
}

:not(pre) > code {
  background: rgba(224, 41, 62, 0.09);
  color: var(--sx-red-dark);
  border-radius: 5px;
  padding: 0.1rem 0.4rem;
  font-size: 0.88em;
}

/* ---------- Footer ---------- */
.sx-footer {
  margin-top: 3rem;
  padding: 2.2rem 1.75rem 2.5rem;
  background: linear-gradient(90deg, #ffceb0 0%, #ffe3d1 100%);
  border-top: 1px solid var(--sx-border);
  color: #3a241a;
}

.sx-footer a { color: inherit; font-weight: 600; text-decoration: underline; }

.sx-footer p {
  font-size: 0.8rem;
  font-weight: 400;
  opacity: 0.85;
}

.sx-footer p a { font-weight: 400; }

.sx-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}