:root {
  --bg: #ffffff;
  --ink: #111827;
  --muted: #5b6575;
  --line: #dfe6ef;
  --soft: #f5f8fc;
  --soft-blue: #eef6ff;
  --blue: #2563eb;
  --blue-dark: #1746b8;
  --purple: #7657d8;
  --cyan: #10b9c9;
  --green: #13a77d;
  --shadow: 0 18px 60px rgba(30, 41, 59, 0.11);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Inter", Arial, sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
}

.shell {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.86);
  border-bottom: 1px solid rgba(223, 230, 239, 0.78);
  backdrop-filter: blur(16px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  position: relative;
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid rgba(37, 99, 235, 0.24);
  border-radius: 8px;
  background:
    radial-gradient(circle at 28% 24%, rgba(16, 185, 201, 0.28), transparent 30%),
    linear-gradient(135deg, #f7fbff, #ffffff);
  box-shadow: 0 10px 24px rgba(37, 99, 235, 0.12);
}

.brand-mark::before,
.brand-mark::after,
.brand-mark span {
  position: absolute;
  content: "";
  border: 2px solid var(--blue);
  border-radius: 999px;
}

.brand-mark::before {
  width: 17px;
  height: 22px;
  border-right-color: transparent;
  transform: rotate(-22deg);
}

.brand-mark::after {
  width: 15px;
  height: 19px;
  border-left-color: transparent;
  transform: translate(5px, 1px) rotate(20deg);
}

.brand-mark span {
  width: 4px;
  height: 4px;
  border: 0;
  background: var(--cyan);
  transform: translate(-6px, -4px);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 600;
}

.nav-links a {
  border-radius: 8px;
  padding: 10px 12px;
  transition: background 160ms ease, color 160ms ease;
}

.nav-links a:hover {
  background: var(--soft-blue);
  color: var(--blue-dark);
}

.section-band {
  padding: 92px 0;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 86px 0 88px;
}

.hero::before {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(rgba(37, 99, 235, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 99, 235, 0.055) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, black, transparent 82%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.92fr);
  align-items: center;
  gap: 58px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--blue-dark);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 22px;
  font-size: clamp(2.55rem, 6vw, 5.35rem);
  line-height: 0.97;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 9px;
  font-size: 1.08rem;
  line-height: 1.25;
}

.hero-subtitle {
  max-width: 680px;
  margin-bottom: 30px;
  color: var(--muted);
  font-size: 1.13rem;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 12px 18px;
  cursor: pointer;
  font-weight: 800;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    background 160ms ease,
    border-color 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--ink);
  color: #ffffff;
  box-shadow: 0 14px 32px rgba(17, 24, 39, 0.18);
}

.button-primary:hover {
  background: #0b1220;
  box-shadow: 0 16px 36px rgba(17, 24, 39, 0.24);
}

.button-secondary {
  background: #ffffff;
  border-color: var(--line);
  color: var(--ink);
}

.button-secondary:hover {
  border-color: rgba(37, 99, 235, 0.4);
  background: var(--soft-blue);
}

.proof-strip,
.project-strip,
.audience-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.proof-strip span,
.project-strip span,
.audience-list span {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  color: #334155;
  font-size: 0.92rem;
  font-weight: 700;
}

.proof-strip span {
  padding: 8px 11px;
}

.hero-visual {
  min-width: 0;
}

.kit-stage {
  position: relative;
  min-height: 530px;
  border: 1px solid rgba(191, 205, 224, 0.86);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(238, 246, 255, 0.92), rgba(255, 255, 255, 0.9) 46%),
    radial-gradient(circle at 76% 18%, rgba(118, 87, 216, 0.18), transparent 28%);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.kit-stage::before {
  position: absolute;
  inset: 18px;
  content: "";
  border: 1px dashed rgba(37, 99, 235, 0.18);
  border-radius: 8px;
}

.brain-panel,
.board-card,
.metric-card,
.pipeline-card,
.wave-card {
  position: absolute;
  border: 1px solid rgba(191, 205, 224, 0.92);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 16px 44px rgba(30, 41, 59, 0.12);
}

.brain-panel {
  top: 34px;
  left: 34px;
  right: 34px;
  height: 220px;
  padding: 22px;
}

.brain-shape {
  position: absolute;
  top: 28px;
  left: 28px;
  width: 134px;
  height: 134px;
  border: 3px solid rgba(37, 99, 235, 0.72);
  border-radius: 43% 50% 48% 42%;
  background:
    radial-gradient(circle at 36% 28%, rgba(16, 185, 201, 0.16), transparent 24%),
    radial-gradient(circle at 70% 65%, rgba(118, 87, 216, 0.16), transparent 28%),
    #ffffff;
}

.brain-shape::before,
.brain-shape::after {
  position: absolute;
  content: "";
  border: 2px solid rgba(37, 99, 235, 0.52);
  border-radius: 999px;
}

.brain-shape::before {
  inset: 22px 42px 20px 24px;
  border-right-color: transparent;
}

.brain-shape::after {
  inset: 28px 18px 28px 48px;
  border-left-color: transparent;
}

.node {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--cyan);
  box-shadow: 0 0 0 5px rgba(16, 185, 201, 0.12);
}

.node-a {
  top: 20px;
  left: 42px;
}

.node-b {
  top: 58px;
  right: 22px;
}

.node-c {
  bottom: 24px;
  left: 34px;
}

.node-d {
  right: 38px;
  bottom: 18px;
}

.signal-window {
  position: absolute;
  top: 44px;
  right: 26px;
  width: 52%;
  height: 132px;
  border-left: 1px solid rgba(91, 101, 117, 0.14);
  overflow: hidden;
}

.signal-line {
  height: 34px;
  margin: 8px 0;
  background-repeat: repeat-x;
  background-size: 140px 34px;
  opacity: 0.9;
  animation: signal-slide 4.8s linear infinite;
}

.signal-one {
  background-image: url("data:image/svg+xml,%3Csvg width='140' height='34' viewBox='0 0 140 34' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 18 C 10 4, 18 4, 28 18 S 46 32, 56 18 S 74 4, 84 18 S 102 32, 112 18 S 130 4, 140 18' fill='none' stroke='%232563eb' stroke-width='3'/%3E%3C/svg%3E");
}

.signal-two {
  background-image: url("data:image/svg+xml,%3Csvg width='140' height='34' viewBox='0 0 140 34' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 20 L12 20 L18 7 L25 29 L34 14 L44 20 L58 20 L66 8 L74 28 L82 20 L140 20' fill='none' stroke='%237657d8' stroke-width='3' stroke-linejoin='round'/%3E%3C/svg%3E");
  animation-duration: 3.5s;
}

.signal-three {
  background-image: url("data:image/svg+xml,%3Csvg width='140' height='34' viewBox='0 0 140 34' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 17 C 18 16, 24 8, 34 8 C 48 8, 48 27, 62 27 C 76 27, 76 9, 92 9 C 108 9, 110 22, 140 18' fill='none' stroke='%2310b9c9' stroke-width='3'/%3E%3C/svg%3E");
  animation-duration: 5.6s;
}

@keyframes signal-slide {
  from {
    background-position-x: 0;
  }
  to {
    background-position-x: 140px;
  }
}

.board-card {
  left: 58px;
  right: 92px;
  bottom: 54px;
  height: 214px;
  padding: 16px;
}

.board-header {
  display: flex;
  gap: 6px;
  margin-bottom: 14px;
}

.board-header span {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: #cbd5e1;
}

.board-header span:first-child {
  background: var(--cyan);
}

.circuit-board {
  position: relative;
  height: 154px;
  border: 1px solid rgba(19, 167, 125, 0.28);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(19, 167, 125, 0.07) 1px, transparent 1px),
    linear-gradient(rgba(19, 167, 125, 0.07) 1px, transparent 1px),
    #f6fffb;
  background-size: 20px 20px;
}

.chip {
  position: absolute;
  border-radius: 6px;
  background: #183244;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.chip-main {
  top: 43px;
  left: 50%;
  width: 86px;
  height: 60px;
  transform: translateX(-50%);
}

.chip-small {
  right: 48px;
  bottom: 28px;
  width: 44px;
  height: 30px;
}

.pin-row {
  position: absolute;
  top: 32px;
  bottom: 32px;
  width: 9px;
  background-image: linear-gradient(#13a77d 40%, transparent 0);
  background-size: 9px 14px;
}

.pin-left {
  left: 24px;
}

.pin-right {
  right: 24px;
}

.trace {
  position: absolute;
  height: 3px;
  border-radius: 999px;
  background: rgba(19, 167, 125, 0.8);
}

.trace-a {
  top: 58px;
  left: 34px;
  width: 128px;
}

.trace-b {
  top: 88px;
  right: 34px;
  width: 132px;
}

.trace-c {
  bottom: 40px;
  left: 82px;
  width: 82px;
}

.trace-d {
  top: 32px;
  right: 84px;
  width: 76px;
}

.metric-card {
  right: 28px;
  bottom: 184px;
  width: 156px;
  padding: 16px;
}

.metric-label {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
}

.metric-card strong {
  display: block;
  margin-bottom: 11px;
  font-size: 1.42rem;
}

.metric-bar {
  display: block;
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: #e5ecf5;
}

.metric-bar span {
  display: block;
  width: 68%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
}

.split-section {
  display: grid;
  grid-template-columns: minmax(220px, 0.82fr) minmax(0, 1.55fr);
  gap: 42px;
  align-items: start;
}

.problem,
.audience {
  background: var(--soft);
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.info-card,
.feature-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  padding: 24px;
}

.info-card p,
.feature-card p,
.section-heading p,
.why-grid p,
.waitlist-panel p {
  color: var(--muted);
}

.card-icon {
  display: inline-grid;
  width: 38px;
  height: 32px;
  place-items: center;
  margin-bottom: 28px;
  border-radius: 8px;
  background: var(--soft-blue);
  color: var(--blue-dark);
  font-size: 0.78rem;
  font-weight: 800;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 34px;
}

.section-heading.compact {
  max-width: 620px;
}

.product-grid {
  display: grid;
  grid-template-columns: 1.1fr repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.feature-card {
  min-height: 236px;
}

.highlight-card {
  background:
    radial-gradient(circle at 86% 16%, rgba(118, 87, 216, 0.13), transparent 28%),
    linear-gradient(135deg, #ffffff, #f7fbff);
}

.mini-board {
  display: grid;
  grid-template-columns: repeat(2, 38px);
  grid-auto-rows: 32px;
  gap: 8px;
  margin-bottom: 28px;
}

.mini-board span {
  border-radius: 7px;
  background:
    linear-gradient(90deg, rgba(37, 99, 235, 0.38) 2px, transparent 2px),
    linear-gradient(rgba(37, 99, 235, 0.38) 2px, transparent 2px),
    #eaf3ff;
  background-size: 11px 11px;
  border: 1px solid rgba(37, 99, 235, 0.2);
}

.project-strip {
  margin-top: 16px;
}

.project-strip span,
.audience-list span {
  padding: 11px 13px;
}

.why-grid {
  display: grid;
  grid-template-columns: minmax(320px, 0.86fr) minmax(0, 1fr);
  align-items: center;
  gap: 56px;
}

.why-visual {
  position: relative;
  min-height: 430px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(118, 87, 216, 0.06) 1px, transparent 1px),
    linear-gradient(rgba(16, 185, 201, 0.08) 1px, transparent 1px),
    #ffffff;
  background-size: 34px 34px;
  box-shadow: var(--shadow);
}

.pipeline-card {
  top: 34px;
  left: 32px;
  right: 32px;
  padding: 14px;
}

.pipeline-step {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 46px;
  padding: 10px 14px 10px 38px;
  color: #334155;
  font-weight: 800;
}

.pipeline-step::before {
  position: absolute;
  left: 12px;
  width: 12px;
  height: 12px;
  content: "";
  border: 2px solid #c4d0df;
  border-radius: 999px;
  background: #ffffff;
}

.pipeline-step + .pipeline-step {
  border-top: 1px solid var(--line);
}

.pipeline-step.active {
  color: var(--blue-dark);
}

.pipeline-step.active::before {
  border-color: var(--cyan);
  background: var(--cyan);
}

.wave-card {
  right: 28px;
  bottom: 30px;
  left: 82px;
  height: 118px;
  overflow: hidden;
}

.wave-track {
  position: absolute;
  top: 22px;
  left: 0;
  width: 200%;
  height: 34px;
  background-image: url("data:image/svg+xml,%3Csvg width='180' height='34' viewBox='0 0 180 34' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 17 C 18 4, 32 4, 50 17 S 82 30, 100 17 S 132 4, 150 17 S 170 30, 180 17' fill='none' stroke='%232563eb' stroke-width='3'/%3E%3C/svg%3E");
  background-repeat: repeat-x;
  animation: signal-slide 4.4s linear infinite;
}

.wave-track.offset {
  top: 64px;
  background-image: url("data:image/svg+xml,%3Csvg width='180' height='34' viewBox='0 0 180 34' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 18 L18 18 L24 8 L31 28 L40 18 L62 18 L72 7 L82 30 L92 18 L180 18' fill='none' stroke='%237657d8' stroke-width='3'/%3E%3C/svg%3E");
  animation-duration: 3.2s;
}

.audience-list {
  align-items: stretch;
}

.waitlist {
  padding-top: 76px;
}

.waitlist-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.75fr);
  align-items: center;
  gap: 38px;
  border: 1px solid rgba(37, 99, 235, 0.18);
  border-radius: 8px;
  background:
    radial-gradient(circle at 90% 18%, rgba(16, 185, 201, 0.12), transparent 24%),
    linear-gradient(135deg, #f8fbff, #ffffff);
  padding: 42px;
  box-shadow: var(--shadow);
}

.waitlist-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
}

.waitlist-form input {
  width: 100%;
  min-height: 50px;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  padding: 0 14px;
  color: var(--ink);
  outline: none;
}

.waitlist-form input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.form-note {
  grid-column: 1 / -1;
  min-height: 22px;
  margin: 0;
  font-size: 0.92rem;
  font-weight: 700;
}

.form-note.success {
  color: #0f766e;
}

.form-note.error {
  color: #b42318;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: var(--muted);
}

.footer-inner p {
  margin: 0;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 960px) {
  .hero-grid,
  .split-section,
  .why-grid,
  .waitlist-panel {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    gap: 42px;
  }

  .problem-grid,
  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .highlight-card {
    grid-column: 1 / -1;
  }
}

@media (max-width: 720px) {
  .shell {
    width: min(100% - 28px, 1120px);
  }

  .nav {
    min-height: 68px;
  }

  .nav-links {
    display: none;
  }

  .section-band {
    padding: 68px 0;
  }

  .hero {
    padding-top: 56px;
  }

  h1 {
    font-size: clamp(2.45rem, 12vw, 4rem);
  }

  .button-row,
  .waitlist-form {
    grid-template-columns: 1fr;
  }

  .button-row .button,
  .waitlist-form .button {
    width: 100%;
  }

  .problem-grid,
  .product-grid {
    grid-template-columns: 1fr;
  }

  .kit-stage {
    min-height: 500px;
  }

  .brain-panel {
    left: 16px;
    right: 16px;
    height: 210px;
  }

  .brain-shape {
    width: 112px;
    height: 112px;
  }

  .signal-window {
    right: 16px;
    width: 48%;
  }

  .board-card {
    left: 16px;
    right: 16px;
    bottom: 42px;
  }

  .metric-card {
    right: 18px;
    bottom: 174px;
  }

  .why-visual {
    min-height: 390px;
  }

  .wave-card {
    left: 24px;
    right: 24px;
  }

  .waitlist-panel {
    padding: 26px;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 460px) {
  .proof-strip span,
  .project-strip span,
  .audience-list span {
    width: 100%;
  }

  .kit-stage {
    min-height: 470px;
  }

  .signal-window {
    top: 156px;
    left: 22px;
    right: 22px;
    width: auto;
    height: 44px;
  }

  .signal-line:not(.signal-one) {
    display: none;
  }

  .brain-panel {
    height: 224px;
  }

  .board-card {
    height: 178px;
  }

  .circuit-board {
    height: 120px;
  }

  .metric-card {
    display: none;
  }
}