/* =========================================================
   RunSpace · Terms of Service · style.css
   Design system: dark bg #07070d / #080d16, accent #3b7dff
   Fonts: DM Sans (body), JetBrains Mono (mono/eyebrow)
   ========================================================= */

/* ── Reset & base ────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Backgrounds */
  --bg:         #07070d;
  --bg-2:       #080d16;
  --bg-3:       #0d1220;
  --bg-card:    #0b1019;
  --bg-hover:   #111827;

  /* Borders */
  --border:     rgba(59, 125, 255, 0.12);
  --border-2:   rgba(255, 255, 255, 0.06);

  /* Text */
  --text:       #e8eaf0;
  --text-2:     #8892a4;
  --text-3:     #535e72;

  /* Accent */
  --blue:       #3b7dff;
  --blue-dim:   rgba(59, 125, 255, 0.15);
  --blue-glow:  rgba(59, 125, 255, 0.35);

  /* Status */
  --danger:     #ff4d4d;
  --warn:       #f5a623;
  --danger-dim: rgba(255, 77, 77, 0.12);
  --warn-dim:   rgba(245, 166, 35, 0.12);

  /* Sidebar */
  --side-w:     260px;

  /* Easing */
  --ease:       cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.7;
}

a {
  color: var(--blue);
  text-decoration: none;
  transition: opacity 0.15s var(--ease);
}
a:hover { opacity: 0.75; }

code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82em;
  background: var(--bg-3);
  border: 1px solid var(--border);
  color: #7eb8ff;
  padding: 2px 7px;
  border-radius: 5px;
  letter-spacing: 0.01em;
}

ul {
  padding-left: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}
ul li { color: var(--text-2); }
ul li strong { color: var(--text); }

strong { color: var(--text); font-weight: 600; }

/* ── Starfield canvas ────────────────────────────────────── */
.rs-star-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(59,125,255,0.07) 0%, transparent 70%),
    radial-gradient(ellipse 60% 40% at 80% 100%, rgba(30,60,130,0.06) 0%, transparent 60%),
    var(--bg);
}

/* Programmatically rendered stars sit on top via JS canvas */

/* ── Layout shell ────────────────────────────────────────── */
.shell {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ─────────────────────────────────────────────── */
.side {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--side-w);
  height: 100vh;
  background: rgba(8, 13, 22, 0.92);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 28px 20px 20px;
  gap: 2px;
  overflow-y: auto;
  z-index: 100;
  transition: transform 0.3s var(--ease);
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 8px 18px;
  color: var(--text);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  text-decoration: none;
  border-bottom: 1px solid var(--border-2);
  margin-bottom: 10px;
}
.logo:hover { opacity: 1; color: var(--text); }

.logo-icon {
  width: 32px;
  height: 32px;
  background: var(--blue);
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 800;
  font-size: 0.9rem;
  color: #fff;
  box-shadow: 0 0 16px var(--blue-glow);
  flex-shrink: 0;
}

/* Nav labels */
.nav-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  padding: 14px 8px 6px;
}

/* Nav items */
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: 8px;
  color: var(--text-2);
  font-size: 0.9rem;
  font-weight: 500;
  transition: background 0.15s var(--ease), color 0.15s var(--ease);
  text-decoration: none;
}
.nav-item:hover {
  background: var(--bg-hover);
  color: var(--text);
  opacity: 1;
}
.nav-item.active {
  background: var(--blue-dim);
  color: var(--blue);
  font-weight: 600;
}
.nav-item.active:hover { opacity: 1; }

.nav-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Sidebar footer */
.side-footer {
  margin-top: auto;
  padding-top: 20px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  color: var(--text-3);
  border-top: 1px solid var(--border-2);
  padding-top: 14px;
  letter-spacing: 0.04em;
}

/* Mobile close button */
.side-close {
  display: none;
  position: absolute;
  top: 14px;
  right: 14px;
  background: none;
  border: none;
  color: var(--text-2);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
  padding: 4px;
}

/* ── Main content area ───────────────────────────────────── */
.main {
  margin-left: var(--side-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ── Top bar ─────────────────────────────────────────────── */
.top {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 32px;
  height: 56px;
  background: rgba(7, 7, 13, 0.75);
  backdrop-filter: blur(16px) saturate(1.3);
  -webkit-backdrop-filter: blur(16px) saturate(1.3);
  border-bottom: 1px solid var(--border-2);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-2);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
}

.top-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-3);
  flex: 1;
}
.top-title-sep { color: var(--text-3); opacity: 0.5; }

.top-right {
  display: flex;
  align-items: center;
  gap: 6px;
}

.lang-btn {
  background: none;
  border: 1px solid var(--border-2);
  color: var(--text-3);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 4px 9px;
  border-radius: 5px;
  cursor: pointer;
  transition: all 0.15s var(--ease);
}
.lang-btn:hover { border-color: var(--border); color: var(--text-2); }
.lang-btn.active {
  background: var(--blue-dim);
  border-color: rgba(59, 125, 255, 0.3);
  color: var(--blue);
}

/* ── Page container ──────────────────────────────────────── */
.page {
  max-width: 780px;
  width: 100%;
  padding: 52px 40px 80px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* ── Hero ────────────────────────────────────────────────── */
.terms-hero {
  padding-bottom: 52px;
  border-bottom: 1px solid var(--border-2);
  margin-bottom: 52px;
}

.terms-hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 18px;
}

.terms-hero-eyebrow-dot {
  width: 6px;
  height: 6px;
  background: var(--blue);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--blue-glow);
  animation: pulse-dot 2.4s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.7); }
}

.terms-hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: 14px;
}

.terms-hero-meta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-3);
  letter-spacing: 0.03em;
  margin-bottom: 22px;
}

.terms-hero-lede {
  font-size: 1.05rem;
  color: var(--text-2);
  max-width: 600px;
  line-height: 1.75;
}

/* ── Table of contents ───────────────────────────────────── */
.toc {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px 28px 24px;
  margin-bottom: 52px;
}

.toc-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 18px;
}

.toc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 4px 12px;
}

.toc-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 7px;
  color: var(--text-2);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition: background 0.15s var(--ease), color 0.15s var(--ease);
}
.toc-link:hover {
  background: var(--bg-hover);
  color: var(--text);
  opacity: 1;
}

.toc-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--blue);
  letter-spacing: 0.05em;
  min-width: 22px;
}

/* ── Sections ────────────────────────────────────────────── */
.section {
  padding-bottom: 48px;
  margin-bottom: 48px;
  border-bottom: 1px solid var(--border-2);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.section:last-of-type { border-bottom: none; }

.section-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 6px;
}

.section-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--blue);
  letter-spacing: 0.06em;
  flex-shrink: 0;
  padding-top: 6px;
}

.section h2 {
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  line-height: 1.25;
}

.section h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
  margin-top: 6px;
  margin-bottom: -6px;
}

.section p {
  color: var(--text-2);
  font-size: 0.95rem;
}

/* ── Callouts ────────────────────────────────────────────── */
.callout {
  background: var(--blue-dim);
  border: 1px solid rgba(59, 125, 255, 0.22);
  border-left: 3px solid var(--blue);
  border-radius: 10px;
  padding: 16px 20px;
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.65;
}
.callout strong { color: #7eb8ff; }

.callout.danger {
  background: var(--danger-dim);
  border-color: rgba(255, 77, 77, 0.2);
  border-left-color: var(--danger);
}
.callout.danger strong { color: #ff8080; }

.callout.warn {
  background: var(--warn-dim);
  border-color: rgba(245, 166, 35, 0.2);
  border-left-color: var(--warn);
}
.callout.warn strong { color: #f5c16a; }

/* ── Contact card ────────────────────────────────────────── */
.contact-card {
  display: flex;
  align-items: center;
  gap: 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px 28px;
  margin-top: 12px;
  margin-bottom: 52px;
}

.contact-icon {
  width: 44px;
  height: 44px;
  background: var(--blue-dim);
  border: 1px solid rgba(59, 125, 255, 0.25);
  border-radius: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-icon svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: var(--blue);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.contact-label {
  font-size: 0.78rem;
  color: var(--text-3);
  font-weight: 500;
  margin-bottom: 3px;
}
.contact-email {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.92rem;
  color: var(--blue);
  font-weight: 600;
}

/* ── Page footer ─────────────────────────────────────────── */
.page-footer {
  border-top: 1px solid var(--border-2);
  padding-top: 36px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.page-footer-support-head {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 12px;
}
.page-footer-tz {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--text-3);
  font-weight: 400;
}

.page-footer-hours {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-size: 0.85rem;
  color: var(--text-2);
}
.page-footer-hours li {
  display: flex;
  gap: 12px;
  color: var(--text-2);
}
.page-footer-hours li span:first-child {
  min-width: 60px;
  color: var(--text-3);
  font-size: 0.82rem;
}
.page-footer-hours li span:last-child {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
}

.page-footer-support-note {
  margin-top: 12px;
  font-size: 0.82rem;
  color: var(--text-3);
}

.page-footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-3);
  padding-bottom: 8px;
}

.page-footer-tagline {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
}
.page-footer-tagline span:first-child { color: var(--text-2); font-weight: 700; }

.page-footer-dot {
  width: 3px;
  height: 3px;
  background: var(--text-3);
  border-radius: 50%;
}

/* ── Mobile menu overlay ─────────────────────────────────── */
.menu-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  z-index: 90;
}

/* ── Fade-up animations ──────────────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(22px);
  animation: fadeUp 0.55s var(--ease) forwards;
}
.d1 { animation-delay: 0.08s; }
.d2 { animation-delay: 0.16s; }
.d3 { animation-delay: 0.24s; }
.d4 { animation-delay: 0.32s; }

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

/* Intersection-observer driven fade (applied via JS) */
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Scrollbar ───────────────────────────────────────────── */
::-webkit-scrollbar       { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(59,125,255,0.25); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(59,125,255,0.45); }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 900px) {
  .side {
    transform: translateX(-100%);
  }
  .side.open {
    transform: translateX(0);
    box-shadow: 8px 0 40px rgba(0,0,0,0.6);
  }
  .side-close { display: block; }
  .menu-overlay.open { display: block; }
  .menu-toggle { display: block; }

  .main { margin-left: 0; }

  .top { padding: 0 20px; }
}

@media (max-width: 640px) {
  .page { padding: 36px 20px 60px; }

  .terms-hero h1 { font-size: 1.9rem; }

  .toc { padding: 20px; }
  .toc-grid { grid-template-columns: 1fr 1fr; }

  .page-footer-bottom { flex-direction: column; gap: 8px; align-items: flex-start; }

  .contact-card { flex-direction: column; align-items: flex-start; gap: 14px; }
}

@media (max-width: 400px) {
  .toc-grid { grid-template-columns: 1fr; }
}