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

:root {
  --ink: #e9e8e4;
  --ink-muted: #8a8a95;
  --ink-dim: #63636e;
  --accent: #ffd24a;
  --accent-warm: #a49470;
  --accent-12: rgba(255, 210, 74, .12);
  --accent-16: rgba(255, 210, 74, .16);
  --accent-28: rgba(255, 210, 74, .28);
  --twitch: #9146ff;
  --twitch-hover: #a370ff;
  --surface: rgba(8, 8, 10, 0.72);
  --surface-sunken: rgba(0, 0, 0, 0.35);
  --hairline: rgba(255, 255, 255, .09);
  --hairline-soft: rgba(255, 255, 255, .06);
}

html, body {
  width: 100%;
  min-height: 100%;
  overflow-x: hidden;
  background: #0a0a0c;
  color: var(--ink);
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

#bg {
  position: fixed;
  top: 0; left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
}

#bg-dom {
  position: fixed;
  top: 0; left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  display: none;
  overflow: hidden;
  background: #000;
}

#bg-dom iframe {
  position: absolute;
  top: 50%; left: 50%;
  width: 100vw;
  height: 56.25vw;
  min-height: 100vh;
  min-width: 177.77vh;
  transform: translate(-50%, -50%);
  pointer-events: none;
  border: 0;
}

#bg.crt-dom-overlay {
  mix-blend-mode: multiply;
  pointer-events: none;
}

#content {
  position: relative;
  z-index: 10;
  width: 100%;
  max-width: 860px;
  margin: 0 auto;
  padding: 40px 24px 72px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

/* ---- shared surfaces ---- */

.panel {
  background: var(--surface);
  backdrop-filter: blur(16px) saturate(1.15);
  -webkit-backdrop-filter: blur(16px) saturate(1.15);
  border: 1px solid var(--hairline);
  border-radius: 10px;
  padding: 28px 30px;
}

.eyebrow {
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-size: 0.68rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--ink-muted);
  margin-bottom: 14px;
}

/* ---- top bar ---- */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-size: 0.75rem;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-muted);
  text-decoration: none;
  padding: 7px 12px;
  border: 1px solid var(--hairline-soft);
  border-radius: 6px;
  background: var(--surface);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: color .2s ease, border-color .2s ease;
}

.back-link:hover { color: var(--accent); border-color: var(--accent-28); }
.back-link svg { width: 14px; height: 14px; }

/* ---- hero ---- */

.hero { text-align: left; }

.hero h1 {
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  font-size: clamp(2rem, 6vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.hero h1 .mark { color: var(--accent); }

.hero .lede {
  margin-top: 14px;
  font-size: clamp(1rem, 2.4vw, 1.12rem);
  color: var(--ink);
  max-width: 62ch;
}

.hero .sub {
  margin-top: 10px;
  color: var(--ink-muted);
  max-width: 62ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-size: 0.78rem;
  letter-spacing: .02em;
  text-decoration: none;
  padding: 10px 16px;
  border-radius: 6px;
  border: 1px solid var(--hairline);
  color: var(--ink);
  background: transparent;
  transition: border-color .2s ease, background .2s ease, color .2s ease;
}

.btn svg { width: 16px; height: 16px; }

.btn:hover { border-color: var(--accent-28); color: var(--accent); }

.btn-twitch {
  border-color: rgba(145, 70, 255, .45);
  color: #c9b4ff;
  background: rgba(145, 70, 255, .12);
}

.btn-twitch:hover {
  border-color: var(--twitch-hover);
  color: #fff;
  background: rgba(145, 70, 255, .24);
}

/* ---- feature list ---- */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1px;
  background: var(--hairline-soft);
  border: 1px solid var(--hairline-soft);
  border-radius: 9px;
  overflow: hidden;
}

.feature {
  background: rgba(10, 10, 13, 0.6);
  padding: 20px 22px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.feature svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--accent);
  stroke-width: 1.6;
}

.feature h3 {
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--ink);
  margin-bottom: 6px;
}

.feature p {
  font-size: 0.9rem;
  color: var(--ink-muted);
}

.feature code, .inline-code {
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-size: 0.85em;
  color: var(--accent-warm);
}

/* ---- privacy policy modal ---- */

body.modal-open { overflow: hidden; }

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(0, 0, 0, .72);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  animation: modal-fade .18s ease;
}

.modal-overlay[hidden] { display: none; }

.modal {
  position: relative;
  width: 100%;
  max-width: 780px;
  max-height: calc(100vh - 48px);
  display: flex;
  flex-direction: column;
  background: rgba(10, 10, 13, 0.97);
  border: 1px solid var(--hairline);
  border-radius: 10px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .6);
  overflow: hidden;
  animation: modal-rise .2s cubic-bezier(.22, 1, .36, 1);
}

.modal-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 28px 18px;
  border-bottom: 1px solid var(--hairline-soft);
  background: rgba(10, 10, 13, 0.97);
}

.modal-head .eyebrow { margin-bottom: 8px; }

.modal-close {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 6px;
  border: 1px solid var(--hairline);
  background: var(--surface-sunken);
  color: var(--ink-muted);
  cursor: pointer;
  transition: color .2s ease, border-color .2s ease, background .2s ease;
}

.modal-close svg { width: 16px; height: 16px; }

.modal-close:hover {
  color: var(--accent);
  border-color: var(--accent-28);
  background: var(--accent-12);
}

.modal-body {
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 22px 28px 28px;
}

.modal-body::-webkit-scrollbar { width: 6px; }
.modal-body::-webkit-scrollbar-thumb { background: var(--accent-28); border-radius: 3px; }

@keyframes modal-fade { from { opacity: 0; } to { opacity: 1; } }

@keyframes modal-rise {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

/* ---- privacy policy content ---- */

.policy h2 {
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.policy h3 {
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
  margin: 26px 0 8px;
}

.policy h4 {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--accent-warm);
  margin: 18px 0 6px;
}

.policy p { color: var(--ink-muted); margin-bottom: 12px; font-size: 0.94rem; }
.policy p strong, .policy li strong { color: var(--ink); font-weight: 600; }

.policy ul { list-style: none; margin: 0 0 12px; }

.policy li {
  position: relative;
  padding-left: 18px;
  color: var(--ink-muted);
  font-size: 0.94rem;
  margin-bottom: 8px;
}

.policy li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 6px;
  height: 1px;
  background: var(--accent-28);
}

.policy a { color: var(--accent); text-decoration: none; border-bottom: 1px solid var(--accent-28); }
.policy a:hover { border-bottom-color: var(--accent); }

.policy hr {
  border: 0;
  border-top: 1px solid var(--hairline-soft);
  margin: 26px 0;
}

.policy-meta {
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-size: 0.72rem;
  color: var(--ink-dim);
  letter-spacing: .03em;
  margin: 6px 0 20px;
}

.table-scroll {
  overflow-x: auto;
  border: 1px solid var(--hairline-soft);
  border-radius: 8px;
  margin-bottom: 16px;
}

.policy table {
  border-collapse: collapse;
  width: 100%;
  min-width: 560px;
  font-size: 0.88rem;
}

.policy th, .policy td {
  text-align: left;
  padding: 11px 14px;
  border-bottom: 1px solid var(--hairline-soft);
  vertical-align: top;
  color: var(--ink-muted);
}

.policy th {
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  font-size: 0.68rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--ink-dim);
  background: var(--surface-sunken);
  white-space: nowrap;
}

.policy tbody tr:last-child td { border-bottom: 0; }
.policy td strong { color: var(--ink); }

/* ---- background switcher ---- */

#effect-switcher {
  position: fixed;
  bottom: 18px;
  right: 18px;
  z-index: 100;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
}

#effect-switcher .switcher-toggle {
  background: rgba(8, 8, 10, 0.9);
  backdrop-filter: blur(10px) saturate(1.2);
  -webkit-backdrop-filter: blur(10px) saturate(1.2);
  border: 1px solid var(--hairline);
  color: var(--ink-muted);
  padding: 8px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.68rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  transition: all .2s ease;
  user-select: none;
}

#effect-switcher .switcher-toggle:hover { border-color: var(--accent-28); color: var(--accent); }

#effect-switcher .switcher-panel {
  background: rgba(8, 8, 10, 0.94);
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  border: 1px solid var(--hairline);
  border-radius: 8px;
  padding: 10px;
  display: none;
  flex-direction: column;
  gap: 4px;
  max-height: 60vh;
  overflow-y: auto;
  min-width: 180px;
}

#effect-switcher.open .switcher-panel { display: flex; }

#effect-switcher .effect-btn {
  background: var(--surface-sunken);
  border: 1px solid var(--hairline-soft);
  color: var(--ink-muted);
  padding: 6px 10px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 0.66rem;
  letter-spacing: .04em;
  text-align: left;
  transition: all .15s ease;
}

#effect-switcher .effect-btn:hover {
  background: var(--accent-12);
  border-color: var(--accent-28);
  color: var(--ink);
}

#effect-switcher .switcher-panel::-webkit-scrollbar { width: 4px; }
#effect-switcher .switcher-panel::-webkit-scrollbar-thumb { background: var(--accent-28); border-radius: 2px; }

@media (max-width: 620px) {
  #content { padding: 28px 16px 64px; gap: 18px; }
  .panel { padding: 22px 20px; }
  .feature { padding: 18px 20px; }
  .modal-overlay { padding: 12px; }
  .modal { max-height: calc(100vh - 24px); }
  .modal-head { padding: 18px 20px 14px; }
  .modal-body { padding: 18px 20px 22px; }
  .policy h2 { font-size: 1.15rem; }
  #effect-switcher { bottom: 10px; right: 10px; }
  #effect-switcher .switcher-panel { max-height: 50vh; min-width: 150px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}