#sampkai-module-splash {
  --splash-accent: #f59e0b;
  --splash-accent-rgb: 245, 158, 11;
  position: fixed;
  inset: 0;
  z-index: 2147482900;
  display: grid;
  place-items: center;
  box-sizing: border-box;
  padding: max(18px, env(safe-area-inset-top)) max(18px, env(safe-area-inset-right)) max(18px, env(safe-area-inset-bottom)) max(18px, env(safe-area-inset-left));
  overflow: auto;
  background:
    radial-gradient(circle at 50% 12%, rgba(var(--splash-accent-rgb), .18), transparent 34%),
    linear-gradient(180deg, rgba(4, 4, 7, .95), rgba(0, 0, 0, .985));
  color: #fff;
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

#sampkai-module-splash::before,
#sampkai-module-splash::after {
  content: "";
  position: fixed;
  width: min(52vw, 620px);
  aspect-ratio: 1;
  border: 1px solid rgba(var(--splash-accent-rgb), .12);
  border-radius: 50%;
  pointer-events: none;
  filter: blur(1px);
  animation: sampkai-orbit-drift 10s ease-in-out infinite alternate;
}

#sampkai-module-splash::before { top: -28%; right: -13%; }
#sampkai-module-splash::after {
  bottom: -36%; left: -15%;
  animation-delay: -5s;
  animation-direction: alternate-reverse;
}

#sampkai-module-splash[hidden] {
  display: none;
}

.sampkai-splash-card {
  width: min(860px, 100%);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(var(--splash-accent-rgb), .55);
  border-radius: 28px;
  background: linear-gradient(145deg, rgba(28, 28, 34, .98), rgba(8, 8, 11, .99));
  box-shadow: 0 36px 110px rgba(0, 0, 0, .85), 0 0 46px rgba(var(--splash-accent-rgb), .12);
}

#sampkai-module-splash.is-opening .sampkai-splash-card {
  animation: sampkai-card-enter .62s cubic-bezier(.16, 1, .3, 1) both;
}

.sampkai-splash-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .16;
  background-image:
    linear-gradient(rgba(255, 255, 255, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .07) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: linear-gradient(to bottom, #000, transparent 76%);
}

.sampkai-splash-topline {
  position: relative;
  overflow: hidden;
  height: 5px;
  background: linear-gradient(90deg, transparent, var(--splash-accent), transparent);
  box-shadow: 0 0 18px rgba(var(--splash-accent-rgb), .85);
}

.sampkai-splash-topline::after {
  content: "";
  position: absolute;
  inset: 0;
  width: 24%;
  background: #fff;
  box-shadow: 0 0 20px 5px #fff;
  animation: sampkai-topline-scan 2.4s ease-in-out infinite;
}

.sampkai-splash-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(240px, .9fr);
  gap: 34px;
  align-items: center;
  padding: clamp(28px, 5vw, 58px);
}

.sampkai-splash-eyebrow {
  margin: 0 0 15px;
  color: var(--splash-accent);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .22em;
  text-transform: uppercase;
}

.sampkai-splash-title {
  margin: 0;
  max-width: 610px;
  color: #fff;
  font-family: "Orbitron", Inter, system-ui, sans-serif;
  font-size: clamp(34px, 6.7vw, 66px);
  font-weight: 900;
  line-height: .96;
  letter-spacing: -.04em;
  text-transform: uppercase;
  text-shadow: 0 0 30px rgba(var(--splash-accent-rgb), .18);
}

.sampkai-splash-rule {
  width: 76px;
  height: 4px;
  margin: 21px 0;
  border-radius: 999px;
  background: var(--splash-accent);
  box-shadow: 0 0 14px rgba(var(--splash-accent-rgb), .72);
}

.sampkai-splash-subtitle {
  max-width: 560px;
  margin: 0;
  color: #b9b9c2;
  font-family: Inter, system-ui, sans-serif;
  font-size: clamp(14px, 2vw, 17px);
  line-height: 1.62;
}

.sampkai-splash-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.sampkai-splash-chip {
  border: 1px solid rgba(var(--splash-accent-rgb), .35);
  border-radius: 999px;
  background: rgba(var(--splash-accent-rgb), .09);
  color: #dedee5;
  padding: 7px 10px;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.sampkai-splash-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.sampkai-splash-enter,
.sampkai-splash-back {
  min-height: 48px;
  border-radius: 11px;
  padding: 12px 18px;
  font: 900 12px/1.2 "JetBrains Mono", ui-monospace, monospace;
  letter-spacing: .06em;
  cursor: pointer;
  touch-action: manipulation;
}

.sampkai-splash-enter {
  flex: 1 1 220px;
  border: 1px solid var(--splash-accent);
  background: var(--splash-accent);
  color: #08080a;
  box-shadow: 0 8px 30px rgba(var(--splash-accent-rgb), .24);
}

.sampkai-splash-enter:hover,
.sampkai-splash-enter:focus-visible {
  filter: brightness(1.12);
  transform: translateY(-1px);
}

.sampkai-splash-back {
  flex: 0 1 auto;
  border: 1px solid #43434c;
  background: #111116;
  color: #c8c8cf;
}

.sampkai-splash-enter:focus-visible,
.sampkai-splash-back:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 3px;
}

.sampkai-splash-note {
  margin: 13px 0 0;
  color: #777781;
  font-size: 9px;
  line-height: 1.45;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.sampkai-splash-visual {
  position: relative;
  min-height: 300px;
  display: grid;
  place-items: center;
  animation: sampkai-visual-enter .72s .14s cubic-bezier(.16, 1, .3, 1) both;
}

.sampkai-splash-device {
  position: relative;
  width: min(290px, 100%);
  aspect-ratio: 1 / 1;
  box-sizing: border-box;
  display: grid;
  place-items: center;
  padding: 22px;
  border: 3px solid #303039;
  border-radius: 30px;
  background: linear-gradient(145deg, #222229, #0b0b0e);
  box-shadow: inset 0 0 0 1px #050507, 18px 22px 38px rgba(0, 0, 0, .48);
  transform: rotate(2deg);
  animation: sampkai-device-float 4s ease-in-out infinite;
}

.sampkai-splash-device::before,
.sampkai-splash-device::after {
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #070708;
  border: 1px solid #44444d;
}

.sampkai-splash-device::before { top: 23px; left: 15px; }
.sampkai-splash-device::after { right: 15px; bottom: 23px; }

.sampkai-splash-grid {
  position: relative;
  width: 100%;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.sampkai-splash-grid span {
  position: relative;
  z-index: 1;
  aspect-ratio: 1;
  border: 1px solid #40404a;
  border-radius: 7px;
  background: #111116;
  box-shadow: inset 0 -7px 12px rgba(0, 0, 0, .35);
  animation: sampkai-pad-sequence 2.4s ease-in-out infinite;
  animation-delay: calc(var(--pad-index) * .11s);
}

.sampkai-splash-playhead {
  position: absolute;
  z-index: 2;
  top: -5px;
  bottom: -5px;
  left: 0;
  width: calc((100% - 24px) / 4);
  border: 1px solid rgba(var(--splash-accent-rgb), .85);
  border-radius: 9px;
  background: rgba(var(--splash-accent-rgb), .08);
  box-shadow: 0 0 16px rgba(var(--splash-accent-rgb), .32), inset 0 0 12px rgba(var(--splash-accent-rgb), .08);
  pointer-events: none;
  animation: sampkai-playhead 1.6s linear infinite;
}

.sampkai-splash-beat-display {
  width: 100%;
  box-sizing: border-box;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  margin-bottom: 15px;
  padding: 9px 11px;
  border: 1px solid rgba(var(--splash-accent-rgb), .36);
  border-radius: 8px;
  background: #080907;
  box-shadow: inset 0 0 14px rgba(var(--splash-accent-rgb), .08);
}

.sampkai-splash-beat-display span,
.sampkai-splash-beat-display small {
  color: rgba(var(--splash-accent-rgb), .72);
  font-size: 7px;
  letter-spacing: .13em;
}

.sampkai-splash-beat-display b {
  grid-row: span 2;
  color: var(--splash-accent);
  font: 900 16px/1 "Orbitron", sans-serif;
  text-shadow: 0 0 10px rgba(var(--splash-accent-rgb), .6);
  animation: sampkai-display-flicker 3.8s linear infinite;
}

.sampkai-splash-transport {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 7px;
  margin-top: 14px;
  color: #777781;
  font-size: 7px;
  letter-spacing: .12em;
}

.sampkai-splash-transport span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--splash-accent);
  box-shadow: 0 0 9px rgba(var(--splash-accent-rgb), .7);
  animation: sampkai-transport-light .8s ease-in-out infinite alternate;
}

.sampkai-splash-transport span:nth-child(2) { animation-delay: -.4s; }
.sampkai-splash-transport b { margin-left: auto; font-weight: 800; }

.sampkai-splash-device-screen {
  width: 100%;
  box-sizing: border-box;
  margin-bottom: 13px;
  padding: 10px 12px;
  border: 1px solid rgba(var(--splash-accent-rgb), .4);
  border-radius: 9px;
  background: rgba(var(--splash-accent-rgb), .07);
  overflow: hidden;
}

.sampkai-splash-device-screen span,
.sampkai-splash-device-screen b { display: block; }
.sampkai-splash-device-screen span {
  color: var(--splash-accent);
  font-size: 7px;
  letter-spacing: .15em;
}
.sampkai-splash-device-screen b {
  margin-top: 5px;
  color: #f4f4f7;
  font-size: 10px;
  white-space: nowrap;
  animation: sampkai-lesson-title 4.2s ease-in-out infinite;
}

.sampkai-splash-lesson-stack {
  width: 100%;
  display: grid;
  gap: 12px;
}

.sampkai-splash-lesson-row {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 12px;
  align-items: center;
  padding: 14px;
  border: 1px solid #3a3a43;
  border-radius: 12px;
  background: #101015;
  animation: sampkai-lesson-row 3.6s ease-in-out infinite;
  animation-delay: calc(var(--lesson-index) * .55s);
}

.sampkai-splash-check {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border: 2px solid var(--splash-accent);
  border-radius: 7px;
  color: var(--splash-accent);
  font-size: 17px;
  font-weight: 900;
  transform-origin: center;
  animation: sampkai-check-pop 3.6s ease-in-out infinite;
  animation-delay: calc(var(--lesson-index) * .55s);
}

.sampkai-splash-lesson-row b,
.sampkai-splash-lesson-row small {
  display: block;
}

.sampkai-splash-lesson-row b {
  color: #f6f6f8;
  font-size: 11px;
  letter-spacing: .06em;
}

.sampkai-splash-lesson-row small {
  margin-top: 5px;
  color: #777781;
  font-size: 9px;
}

.sampkai-splash-progress {
  width: 100%;
  height: 5px;
  margin-top: 13px;
  overflow: hidden;
  border-radius: 999px;
  background: #08080b;
  box-shadow: inset 0 0 0 1px #303039;
}

.sampkai-splash-progress span {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  background: var(--splash-accent);
  box-shadow: 0 0 12px rgba(var(--splash-accent-rgb), .8);
  transform-origin: left;
  animation: sampkai-lesson-progress 3.6s ease-in-out infinite;
}

.sampkai-splash-record-player {
  position: relative;
  width: min(290px, 100%);
  aspect-ratio: 1;
  box-sizing: border-box;
  padding: 31px 28px 38px;
  border: 3px solid #303039;
  border-radius: 30px;
  background: linear-gradient(145deg, #222229, #0b0b0e);
  box-shadow: inset 0 0 0 1px #050507, 18px 22px 38px rgba(0, 0, 0, .48);
  animation: sampkai-player-float 4.5s ease-in-out infinite;
}

.sampkai-splash-now-spinning {
  position: absolute;
  top: 13px;
  left: 18px;
  display: flex;
  align-items: center;
  gap: 6px;
  color: #92929b;
  font-size: 7px;
  font-weight: 900;
  letter-spacing: .13em;
}

.sampkai-splash-now-spinning i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--splash-accent);
  box-shadow: 0 0 10px rgba(var(--splash-accent-rgb), .9);
  animation: sampkai-splash-pulse .7s ease-in-out infinite alternate;
}

.sampkai-splash-record {
  position: relative;
  width: 86%;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background:
    repeating-radial-gradient(circle, transparent 0 7px, rgba(255,255,255,.055) 8px 9px),
    conic-gradient(from 20deg, #09090b, #24242a, #08080a, #1a1a20, #070709);
  border: 2px solid #34343d;
  box-shadow: 0 20px 42px rgba(0,0,0,.55), 0 0 30px rgba(var(--splash-accent-rgb), .2);
  animation: sampkai-record-spin 8s linear infinite;
}

.sampkai-splash-record::before {
  content: "ANVIL\\A KRAFT\\A RECORDS";
  white-space: pre;
  width: 38%;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--splash-accent);
  color: #09090b;
  text-align: center;
  font-size: 8px;
  font-weight: 900;
  line-height: 1.35;
  letter-spacing: .08em;
}

.sampkai-splash-record::after {
  content: "";
  position: absolute;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #050506;
  border: 2px solid #d7d7dc;
}

.sampkai-splash-tonearm {
  position: absolute;
  top: 32px;
  right: 26px;
  width: 18px;
  height: 138px;
  border-radius: 999px;
  background: linear-gradient(90deg, #a1a1aa, #36363e 45%, #d4d4d8);
  box-shadow: 4px 8px 12px rgba(0,0,0,.5);
  transform: rotate(24deg);
  transform-origin: 50% 9px;
  animation: sampkai-tonearm-drop 5s ease-in-out infinite;
}

.sampkai-splash-tonearm::before {
  content: "";
  position: absolute;
  top: -8px;
  left: -7px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: #101014;
  border: 3px solid #404049;
}

.sampkai-splash-tonearm span {
  position: absolute;
  bottom: -8px;
  left: -5px;
  width: 28px;
  height: 18px;
  border-radius: 4px;
  background: var(--splash-accent);
  box-shadow: 0 0 13px rgba(var(--splash-accent-rgb), .45);
}

.sampkai-splash-eq {
  position: absolute;
  right: 25px;
  bottom: 17px;
  left: 25px;
  height: 17px;
  display: flex;
  align-items: end;
  gap: 4px;
}

.sampkai-splash-eq span {
  flex: 1;
  height: 100%;
  border-radius: 2px 2px 0 0;
  background: var(--splash-accent);
  box-shadow: 0 0 6px rgba(var(--splash-accent-rgb), .5);
  transform-origin: bottom;
  animation: sampkai-eq-bounce .72s ease-in-out infinite alternate;
  animation-delay: calc(var(--bar-index) * -.09s);
}

@keyframes sampkai-splash-pulse {
  from { opacity: .45; transform: scale(.94); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes sampkai-card-enter {
  from { opacity: 0; transform: translateY(24px) scale(.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes sampkai-visual-enter {
  from { opacity: 0; transform: translateX(22px) scale(.94); }
  to { opacity: 1; transform: translateX(0) scale(1); }
}

@keyframes sampkai-orbit-drift {
  from { opacity: .25; transform: translate3d(-3%, -3%, 0) scale(.88); }
  to { opacity: .85; transform: translate3d(6%, 5%, 0) scale(1.12); }
}

@keyframes sampkai-topline-scan {
  0% { transform: translateX(-140%); opacity: 0; }
  15%, 70% { opacity: .9; }
  100% { transform: translateX(520%); opacity: 0; }
}

@keyframes sampkai-device-float {
  0%, 100% { transform: rotate(2deg) translateY(0); }
  50% { transform: rotate(-1deg) translateY(-8px); }
}

@keyframes sampkai-player-float {
  0%, 100% { transform: rotate(-1deg) translateY(0); }
  50% { transform: rotate(1deg) translateY(-7px); }
}

@keyframes sampkai-pad-sequence {
  0%, 13%, 100% { border-color: #40404a; background: #111116; box-shadow: inset 0 -7px 12px rgba(0, 0, 0, .35); transform: scale(1); }
  4%, 9% { border-color: rgba(var(--splash-accent-rgb), .95); background: rgba(var(--splash-accent-rgb), .74); box-shadow: 0 0 18px rgba(var(--splash-accent-rgb), .58); transform: scale(.94); }
}

@keyframes sampkai-playhead {
  0%, 24.99% { transform: translateX(0); }
  25%, 49.99% { transform: translateX(calc(100% + 8px)); }
  50%, 74.99% { transform: translateX(calc(200% + 16px)); }
  75%, 99.99% { transform: translateX(calc(300% + 24px)); }
  100% { transform: translateX(0); }
}

@keyframes sampkai-display-flicker {
  0%, 9%, 11%, 100% { opacity: 1; }
  10% { opacity: .65; }
}

@keyframes sampkai-transport-light {
  from { opacity: .3; transform: scale(.7); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes sampkai-lesson-title {
  0%, 12% { opacity: 0; transform: translateX(-10px); }
  23%, 86% { opacity: 1; transform: translateX(0); }
  100% { opacity: 0; transform: translateX(10px); }
}

@keyframes sampkai-lesson-row {
  0%, 8%, 100% { border-color: #3a3a43; background: #101015; transform: translateX(0); }
  14%, 30% { border-color: rgba(var(--splash-accent-rgb), .72); background: rgba(var(--splash-accent-rgb), .1); transform: translateX(5px); }
  38% { transform: translateX(0); }
}

@keyframes sampkai-check-pop {
  0%, 8%, 100% { color: transparent; background: transparent; transform: scale(.78); }
  16%, 34% { color: #071014; background: var(--splash-accent); transform: scale(1.08) rotate(-5deg); box-shadow: 0 0 13px rgba(var(--splash-accent-rgb), .55); }
  40% { color: var(--splash-accent); background: transparent; transform: scale(1) rotate(0); }
}

@keyframes sampkai-lesson-progress {
  0% { transform: scaleX(.04); }
  72%, 86% { transform: scaleX(1); }
  100% { transform: scaleX(.04); }
}

@keyframes sampkai-record-spin {
  to { transform: rotate(360deg); }
}

@keyframes sampkai-tonearm-drop {
  0%, 12%, 100% { transform: rotate(8deg); }
  24%, 80% { transform: rotate(24deg); }
}

@keyframes sampkai-eq-bounce {
  from { transform: scaleY(.2); opacity: .45; }
  to { transform: scaleY(1); opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .sampkai-splash-grid span,
  .sampkai-splash-record,
  .sampkai-splash-device,
  .sampkai-splash-record-player,
  .sampkai-splash-tonearm,
  .sampkai-splash-eq span,
  .sampkai-splash-lesson-row,
  .sampkai-splash-check,
  .sampkai-splash-progress span,
  .sampkai-splash-playhead,
  .sampkai-splash-card,
  .sampkai-splash-visual,
  .sampkai-splash-beat-display b,
  .sampkai-splash-transport span,
  .sampkai-splash-device-screen b,
  .sampkai-splash-now-spinning i,
  .sampkai-splash-topline::after,
  #sampkai-module-splash::before,
  #sampkai-module-splash::after { animation: none; }
}

@media (max-width: 720px) {
  #sampkai-module-splash { place-items: start center; padding-top: max(14px, env(safe-area-inset-top)); }
  .sampkai-splash-card { border-radius: 20px; margin: auto 0; }
  .sampkai-splash-inner { grid-template-columns: 1fr; gap: 18px; padding: 28px 20px 22px; }
  .sampkai-splash-title { font-size: clamp(34px, 12vw, 52px); }
  .sampkai-splash-visual { min-height: 190px; order: -1; }
  .sampkai-splash-device { width: min(210px, 72vw); padding: 17px; border-radius: 23px; }
  .sampkai-splash-record-player { width: min(210px, 72vw); padding: 28px 20px 34px; border-radius: 23px; }
  .sampkai-splash-tonearm { right: 20px; height: 101px; }
  .sampkai-splash-grid { gap: 6px; }
  .sampkai-splash-record { width: 84%; }
  .sampkai-splash-device-screen { margin-bottom: 8px; padding: 7px 9px; }
  .sampkai-splash-lesson-row { gap: 8px; padding: 9px; }
  .sampkai-splash-lesson-stack { gap: 7px; }
  .sampkai-splash-actions { flex-direction: column; }
  .sampkai-splash-enter, .sampkai-splash-back { width: 100%; flex: none; }
}

@media (max-height: 720px) and (orientation: landscape) {
  #sampkai-module-splash { place-items: start center; }
  .sampkai-splash-card { margin: auto 0; }
  .sampkai-splash-inner { padding: 24px 30px; }
  .sampkai-splash-visual { min-height: 230px; }
  .sampkai-splash-title { font-size: clamp(32px, 6vw, 52px); }
}