:root {
  --brain-pink: #ff62bf;
  --brain-blue: #55d9ff;
  --brain-ink: #151226;
}

.hero h1 span {
  background: linear-gradient(100deg, var(--p) 0%, #9b45ef 48%, var(--brain-pink) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero { isolation: isolate; }

.hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  width: 420px;
  height: 420px;
  right: -130px;
  top: -140px;
  border-radius: 50%;
  background: conic-gradient(from 120deg, #7357f52b, #ff62bf24, #55d9ff22, #7357f52b);
  filter: blur(1px);
  animation: brain-gradient-spin 18s linear infinite;
}

@keyframes brain-gradient-spin { to { transform: rotate(360deg); } }

.brain-stock-chip {
  color: #5c2d9b;
  box-shadow: inset 0 0 0 1px #9d5cff36, 0 8px 20px #4c2c8610;
}

.hero-live-badge {
  position: absolute;
  z-index: 4;
  left: 2%;
  bottom: 12%;
  min-width: 170px;
  padding: 11px 14px 11px 40px;
  border: 1px solid #ffffffbd;
  border-radius: 15px;
  background: #ffffffd9;
  backdrop-filter: blur(13px);
  box-shadow: 0 18px 40px #261a5a24;
}

.hero-live-badge > span {
  position: absolute;
  left: 15px;
  top: 17px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #2ed889;
  box-shadow: 0 0 0 6px #2ed8891c;
  animation: live-pulse 1.6s ease-in-out infinite;
}

.hero-live-badge b,
.hero-live-badge small { display: block; }
.hero-live-badge b { font-size: 11px; }
.hero-live-badge small { margin-top: 2px; color: var(--muted); font-size: 9px; }
@keyframes live-pulse { 50% { box-shadow: 0 0 0 10px #2ed88900; } }

.brain-drop {
  position: relative;
  margin-top: 24px;
  padding: 22px 25px;
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 18px;
  overflow: hidden;
  border: 1px solid #dcd5ff;
  border-radius: 22px;
  background:
    radial-gradient(circle at 83% 20%, #ff62bf24, transparent 26%),
    radial-gradient(circle at 10% 80%, #55d9ff20, transparent 25%),
    linear-gradient(115deg, #171329, #29204c 58%, #4e2e8d);
  color: #fff;
  box-shadow: 0 24px 55px #25194928;
}

.brain-drop::after {
  content: "BRAIN DROP · BRAIN DROP · BRAIN DROP";
  position: absolute;
  right: -50px;
  top: 6px;
  color: #ffffff09;
  font-size: 36px;
  font-weight: 900;
  letter-spacing: .1em;
  transform: rotate(-5deg);
  white-space: nowrap;
  pointer-events: none;
}

.drop-icon {
  position: relative;
  z-index: 2;
  width: 67px;
  height: 67px;
  display: grid;
  place-items: center;
  border: 1px solid #ffffff2b;
  border-radius: 21px;
  background: #ffffff12;
  font-size: 37px;
  box-shadow: inset 0 0 25px #d6b6ff1e;
}

.brain-drop > div,
.brain-drop > button { position: relative; z-index: 2; }
.brain-drop span,
.brain-drop strong,
.brain-drop small { display: block; }
.brain-drop > div:nth-child(2) > span {
  color: #c9b9ff;
  font-size: 9px;
  font-weight: 900;
  letter-spacing: .15em;
}
.brain-drop strong { margin: 2px 0; font-size: 20px; }
.brain-drop small { color: #c8c2d7; font-size: 10px; }
.drop-stock { min-width: 67px; text-align: center; }
.drop-stock b { display: block; font-size: 30px; line-height: 1; }
.drop-stock span {
  margin-top: 4px;
  color: #c9c3d5;
  font-size: 8px;
  text-transform: uppercase;
  letter-spacing: .1em;
}

.brain-lab {
  padding-top: 88px;
  scroll-margin-top: 125px;
}

.lab-grid {
  position: relative;
  padding: clamp(28px, 5vw, 58px);
  display: grid;
  grid-template-columns: .78fr 1.22fr;
  gap: clamp(30px, 5vw, 70px);
  align-items: center;
  overflow: hidden;
  border: 1px solid #ded8f4;
  border-radius: 32px;
  background:
    linear-gradient(#ffffff09 1px, transparent 1px),
    linear-gradient(90deg, #ffffff09 1px, transparent 1px),
    radial-gradient(circle at 70% 28%, #8f63ff33, transparent 28%),
    linear-gradient(135deg, #161326, #211a3b 52%, #2f1d55);
  background-size: 27px 27px, 27px 27px, auto, auto;
  color: #fff;
  box-shadow: 0 35px 80px #22174732;
}

.lab-grid::before {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  left: -250px;
  bottom: -280px;
  border: 70px solid #7357f514;
  border-radius: 50%;
}

.lab-copy,
.brain-builder { position: relative; z-index: 2; }
.lab-kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: #cbbdff;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .16em;
}
.lab-kicker i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #5de5a5;
  box-shadow: 0 0 0 6px #5de5a51a;
}
.lab-copy h2 {
  margin: 12px 0 16px;
  font-size: clamp(38px, 5vw, 62px);
  line-height: .98;
  letter-spacing: -.055em;
}
.lab-copy h2 em { color: #a78bff; font-style: normal; }
.lab-copy > p { max-width: 470px; margin: 0; color: #bbb5cb; font-size: 13px; }
.lab-stats {
  margin: 30px 0 18px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.lab-stats div {
  padding: 13px;
  border: 1px solid #ffffff12;
  border-radius: 14px;
  background: #ffffff08;
}
.lab-stats strong,
.lab-stats span { display: block; }
.lab-stats strong { font-size: 17px; }
.lab-stats span,
.lab-copy > small { color: #aaa4bb; font-size: 8px; }

.brain-builder {
  padding: 26px;
  border: 1px solid #ffffff18;
  border-radius: 26px;
  background: #ffffff0d;
  backdrop-filter: blur(15px);
  box-shadow: inset 0 1px #ffffff14, 0 20px 50px #00000020;
}
.brain-visual {
  position: relative;
  min-height: 170px;
  display: grid;
  place-items: center;
}
.brain-core {
  position: relative;
  z-index: 4;
  width: 112px;
  height: 112px;
  display: grid;
  place-items: center;
  border: 1px solid #ffffff26;
  border-radius: 38px;
  background: radial-gradient(circle at 35% 20%, #ffffff22, #7554cf25 60%, #211636);
  font-size: 65px;
  filter: drop-shadow(0 18px 25px #00000055);
  animation: brain-float 3.3s ease-in-out infinite;
}
@keyframes brain-float { 50% { transform: translateY(-8px) rotate(2deg); } }
.brain-orbit {
  position: absolute;
  border: 1px dashed #a58bff55;
  border-radius: 50%;
}
.orbit-a { width: 165px; height: 165px; animation: orbit-spin 12s linear infinite; }
.orbit-b {
  width: 235px;
  height: 120px;
  transform: rotate(-17deg);
  animation: orbit-spin-wide 9s linear infinite reverse;
}
@keyframes orbit-spin { to { transform: rotate(360deg); } }
@keyframes orbit-spin-wide { to { transform: rotate(343deg); } }
.neuron {
  position: absolute;
  z-index: 3;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--brain-blue);
  box-shadow: 0 0 14px var(--brain-blue);
  animation: neuron-blink 1.8s ease-in-out infinite alternate;
}
.n1 { left: 21%; top: 31%; }
.n2 { right: 22%; top: 27%; animation-delay: .3s; background: var(--brain-pink); }
.n3 { left: 31%; bottom: 19%; animation-delay: .7s; }
.n4 { right: 31%; bottom: 17%; animation-delay: 1s; background: var(--brain-pink); }
@keyframes neuron-blink { to { opacity: .25; transform: scale(.65); } }

.brain-controls { display: grid; gap: 14px; }
.brain-controls label > span {
  margin-bottom: 7px;
  display: flex;
  justify-content: space-between;
  color: #d5cfdf;
  font-size: 10px;
}
.brain-controls output { color: #a991ff; font-weight: 900; }
.brain-controls input[type="range"] {
  --range-progress: 50%;
  width: 100%;
  height: 5px;
  appearance: none;
  border-radius: 99px;
  background: linear-gradient(90deg, #8c68ff var(--range-progress), #ffffff16 var(--range-progress));
  outline: 0;
}
.brain-controls input[type="range"]::-webkit-slider-thumb {
  width: 18px;
  height: 18px;
  appearance: none;
  border: 4px solid #fff;
  border-radius: 50%;
  background: var(--p);
  box-shadow: 0 0 0 4px #7357f538;
}
.brain-controls input[type="range"]::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border: 4px solid #fff;
  border-radius: 50%;
  background: var(--p);
  box-shadow: 0 0 0 4px #7357f538;
}
.brain-result {
  margin-top: 20px;
  padding: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  border: 1px solid #9476ff42;
  border-radius: 17px;
  background: linear-gradient(120deg, #7357f51d, #ff62bf0e);
}
.brain-result span {
  color: #aca6bb;
  font-size: 8px;
  text-transform: uppercase;
  letter-spacing: .1em;
}
.brain-result h3 { margin: 3px 0; font-size: 15px; }
.brain-result p { max-width: 430px; margin: 0; color: #aaa4b8; font-size: 9px; }
.brain-result > strong { min-width: max-content; color: #fff; font-size: 20px; }
.lab-actions {
  margin-top: 15px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.lab-actions .ghost {
  color: #d9d0ff;
  background: #ffffff0d;
  box-shadow: inset 0 0 0 1px #ffffff17;
}
.brain-builder.scanning .brain-core { animation: brain-scan 1.1s linear infinite; }
.brain-builder.scanning::after {
  content: "";
  position: absolute;
  z-index: 8;
  left: 20px;
  right: 20px;
  top: 20px;
  height: 2px;
  background: linear-gradient(90deg, transparent, #64e7ff, transparent);
  box-shadow: 0 0 15px #64e7ff;
  animation: scanner 1.2s ease-in-out infinite;
}
@keyframes brain-scan { to { transform: rotate(360deg); } }
@keyframes scanner { 50% { top: calc(100% - 22px); } }

.brain-card {
  border-color: #8a6aff4a;
  background: radial-gradient(circle at 80% 2%, #8b67ff14, transparent 31%), #fff;
  transform: perspective(900px) rotateX(var(--tilt-x, 0deg)) rotateY(var(--tilt-y, 0deg));
  transform-style: preserve-3d;
}
.brain-card:hover {
  border-color: #7c5df0a3;
  box-shadow: 0 28px 60px #5d3fe72b;
  transform: perspective(900px) translateY(-7px) rotateX(var(--tilt-x, 0deg)) rotateY(var(--tilt-y, 0deg));
}
.brain-card .card-pic { position: relative; }
.brain-card .card-pic::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(135deg, transparent 55%, #7555f32b);
  pointer-events: none;
}
.brain-card-chip {
  position: absolute;
  z-index: 4;
  right: 9px;
  bottom: 9px;
  padding: 6px 8px;
  border: 1px solid #ffffffa8;
  border-radius: 99px;
  background: #171329d9;
  color: #dcd3ff;
  backdrop-filter: blur(8px);
  font-size: 7px;
  font-weight: 900;
  letter-spacing: .08em;
}
.brain-card .add { position: relative; overflow: hidden; }
.brain-card .add::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 25%, #ffffff50 48%, transparent 72%);
  transform: translateX(-120%);
  animation: button-shine 3.5s ease-in-out infinite;
}
@keyframes button-shine { 55%, 100% { transform: translateX(130%); } }
.brain-confetti {
  position: fixed;
  z-index: 9999;
  font-size: 14px;
  font-weight: 900;
  pointer-events: none;
  animation: brain-confetti-fly 1s cubic-bezier(.12, .72, .19, 1) forwards;
}
@keyframes brain-confetti-fly {
  to { opacity: 0; transform: translate(var(--x), var(--y)) rotate(var(--r)) scale(.6); }
}

@media (max-width: 900px) {
  .brain-drop { grid-template-columns: auto 1fr auto; }
  .drop-stock { display: none; }
  .lab-grid { grid-template-columns: 1fr; }
  .lab-copy { text-align: center; }
  .lab-copy > p { margin-inline: auto; }
}

@media (max-width: 760px) {
  .hero-live-badge { left: 0; bottom: 5%; min-width: 150px; }
  .brain-drop { padding: 20px; grid-template-columns: auto 1fr; }
  .brain-drop .btn { grid-column: 1 / -1; width: 100%; }
  .drop-icon { width: 55px; height: 55px; border-radius: 17px; font-size: 30px; }
  .brain-drop strong { font-size: 15px; }
  .brain-lab { padding-top: 64px; scroll-margin-top: 80px; }
  .lab-grid { padding: 27px 20px; border-radius: 25px; }
  .lab-copy h2 { font-size: 42px; }
  .lab-stats { grid-template-columns: 1fr 1fr 1fr; }
  .lab-stats div { padding: 10px 7px; }
  .lab-stats strong { font-size: 14px; }
  .brain-builder { padding: 19px 15px; border-radius: 21px; }
  .brain-visual { min-height: 145px; }
  .brain-core { width: 95px; height: 95px; border-radius: 31px; font-size: 54px; }
  .orbit-a { width: 145px; height: 145px; }
  .orbit-b { width: 205px; height: 105px; }
  .brain-result { align-items: flex-start; flex-direction: column; gap: 8px; }
  .lab-actions { grid-template-columns: 1fr; }
  .brain-card { transform: none !important; }
}

@media (prefers-reduced-motion: reduce) {
  .hero::after,
  .brain-core,
  .brain-orbit,
  .neuron,
  .brain-card .add::before { animation: none !important; }
}