:root {
  color-scheme: light;
  --bg: #fbfcff;
  --surface: #ffffff;
  --surface-soft: #f3f6fb;
  --text: #172033;
  --muted: #5d6678;
  --line: #dce3ef;
  --purple: #7b4df3;
  --purple-dark: #5833c7;
  --blue: #2f7ff0;
  --teal: #0f9f9a;
  --focus: #1155cc;
  --shadow: 0 18px 50px rgba(31, 45, 78, 0.12);
  --radius: 8px;
  --max: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  letter-spacing: 0;
}

body.nav-open {
  overflow: hidden;
}

a {
  color: var(--purple-dark);
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--blue);
}

img {
  display: block;
  max-width: 100%;
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(251, 252, 255, 0.9);
  border-bottom: 1px solid rgba(220, 227, 239, 0.85);
  backdrop-filter: blur(16px);
}

.nav-wrap,
.container {
  width: min(calc(100% - 40px), var(--max));
  margin-inline: auto;
}

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

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-weight: 750;
  text-decoration: none;
}

.brand img {
  width: 132px;
  height: auto;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
}

.nav-toggle-lines,
.nav-toggle-lines::before,
.nav-toggle-lines::after {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  border-radius: 999px;
  content: "";
  transition: transform 180ms ease, opacity 180ms ease;
}

.nav-toggle-lines {
  position: relative;
}

.nav-toggle-lines::before,
.nav-toggle-lines::after {
  position: absolute;
  left: 0;
}

.nav-toggle-lines::before {
  top: -6px;
}

.nav-toggle-lines::after {
  top: 6px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-lines {
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-lines::before {
  transform: translateY(6px) rotate(90deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-lines::after {
  opacity: 0;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.site-nav a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  padding: 0 13px;
  border-radius: var(--radius);
  color: #263149;
  font-weight: 650;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  background: #eef3fb;
  color: var(--purple-dark);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 86px 0 76px;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(120deg, rgba(123, 77, 243, 0.08), transparent 34%),
    linear-gradient(270deg, rgba(15, 159, 154, 0.07), transparent 28%),
    var(--bg);
}

.hero::before {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(23, 32, 51, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 32, 51, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, black, transparent 82%);
  content: "";
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.84fr);
  align-items: center;
  gap: 56px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.08;
  letter-spacing: 0;
}

h1 {
  max-width: 780px;
  font-size: clamp(2rem, 4vw, 3.25rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3.25rem);
}

h3 {
  font-size: 1.17rem;
}

p {
  margin: 0;
}

.lead {
  max-width: 670px;
  margin-top: 24px;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.24rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 760;
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

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

.button.primary {
  background: linear-gradient(135deg, var(--purple), var(--blue));
  color: #fff;
  box-shadow: 0 16px 34px rgba(74, 105, 225, 0.26);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.78);
  border-color: var(--line);
  color: var(--text);
}

.hero-visual {
  position: relative;
  min-height: 420px;
}

.signal-stage {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
}

.signal-lines {
  position: absolute;
  inset: 12%;
  border: 1px solid rgba(88, 51, 199, 0.14);
  border-radius: 40px;
  transform: rotate(-6deg);
}

.signal-lines::before,
.signal-lines::after {
  position: absolute;
  inset: 11%;
  border: 1px solid rgba(47, 127, 240, 0.18);
  border-radius: 34px;
  content: "";
}

.signal-lines::after {
  inset: 23%;
  border-color: rgba(15, 159, 154, 0.18);
}

.logo-panel {
  position: relative;
  z-index: 1;
  display: grid;
  width: min(100%, 500px);
  min-height: 278px;
  place-items: center;
  padding: 36px;
  border: 1px solid rgba(220, 227, 239, 0.82);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.logo-panel::before {
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 0 42%, rgba(255, 255, 255, 0.8) 48%, transparent 56% 100%);
  transform: translateX(-115%);
  animation: sheen 5.2s ease-in-out infinite;
  content: "";
}

.hero-logo {
  position: relative;
  width: min(100%, 390px);
  filter: drop-shadow(0 18px 24px rgba(85, 105, 170, 0.16));
  animation: settle 850ms cubic-bezier(.2, .9, .2, 1) both, float 7s ease-in-out 900ms infinite;
}

.ticker {
  position: absolute;
  right: 0;
  bottom: 18px;
  left: 0;
  display: flex;
  justify-content: center;
  gap: 10px;
}

.ticker span {
  width: 54px;
  height: 4px;
  border-radius: 999px;
  background: #d9e2f1;
}

.ticker span:nth-child(2) {
  background: linear-gradient(90deg, var(--purple), var(--blue));
  animation: pulseLine 2.8s ease-in-out infinite;
}

.section {
  padding: 86px 0;
}

.section.alt {
  background: var(--surface);
}

.section-head {
  max-width: 760px;
}

.section-head p {
  margin-top: 18px;
  color: var(--muted);
  font-size: 1.08rem;
}

.grid-3,
.feature-grid {
  display: grid;
  gap: 18px;
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 34px;
}

.principle,
.feature,
.info-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.principle,
.info-card {
  padding: 24px;
}

.principle h3,
.info-card h3 {
  margin-bottom: 10px;
}

.principle p,
.info-card p,
.feature p,
.legal-content p,
.legal-content li {
  color: var(--muted);
}

.icon-box {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  margin-bottom: 18px;
  border-radius: var(--radius);
  background: #eef3ff;
  color: var(--purple-dark);
}

.product-layout,
.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(280px, 0.65fr);
  gap: 48px;
  align-items: start;
}

.feature-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 28px;
}

.feature {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 16px;
}

.check {
  display: inline-grid;
  flex: 0 0 24px;
  width: 24px;
  height: 24px;
  place-items: center;
  border-radius: 50%;
  background: #e8fbf8;
  color: #087c77;
  font-weight: 900;
}

.product-card {
  position: sticky;
  top: 104px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: linear-gradient(180deg, #ffffff, #f5f8ff);
  box-shadow: var(--shadow);
}

.product-card img {
  width: 270px;
  margin: 0 auto 20px;
}

.detail-list {
  display: grid;
  gap: 12px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.detail-list li {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}

.detail-list strong {
  color: var(--text);
}

.cta-band {
  padding: 54px 0;
  background: #172033;
  color: #fff;
}

.cta-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.cta-content p {
  margin-top: 10px;
  color: #c6d0df;
}

.page-hero {
  padding: 78px 0 58px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(120deg, rgba(123, 77, 243, 0.08), transparent 45%), var(--bg);
}

.page-hero p {
  max-width: 760px;
  margin-top: 20px;
  color: var(--muted);
  font-size: 1.12rem;
}

.content-stack {
  display: grid;
  gap: 22px;
}

.contact-list {
  display: grid;
  gap: 16px;
  margin-top: 22px;
}

.contact-item {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.contact-item span {
  display: block;
  color: var(--muted);
  font-size: 0.92rem;
}

.contact-item a {
  font-weight: 750;
}

.legal-content {
  max-width: 840px;
}

.legal-content h2 {
  margin-top: 42px;
  font-size: 1.45rem;
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content p,
.legal-content ul {
  margin-top: 12px;
}

.legal-content ul {
  padding-left: 1.3rem;
}

.not-found {
  min-height: 58vh;
  display: grid;
  place-items: center;
  text-align: center;
}

.site-footer {
  padding: 40px 0;
  border-top: 1px solid var(--line);
  background: #f5f7fb;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  align-items: start;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-weight: 750;
  text-decoration: none;
}

.footer-brand img {
  width: 132px;
}

.footer-meta {
  margin-top: 14px;
  color: var(--muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px 18px;
}

.footer-links a {
  color: #34405a;
  font-weight: 650;
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--purple-dark);
}

@keyframes settle {
  from {
    opacity: 0;
    transform: translateY(18px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes sheen {
  0%, 45% {
    transform: translateX(-115%);
  }
  72%, 100% {
    transform: translateX(115%);
  }
}

@keyframes pulseLine {
  0%, 100% {
    transform: scaleX(0.82);
    opacity: 0.65;
  }
  50% {
    transform: scaleX(1.35);
    opacity: 1;
  }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: fixed;
    top: 76px;
    right: 20px;
    left: 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    justify-content: center;
  }

  .hero {
    padding-top: 18px;
  }

  .hero-grid,
  .product-layout,
  .page-layout,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 330px;
  }

  .grid-3,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .product-card {
    position: static;
  }

  .cta-content {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

@media (max-width: 520px) {
  .nav-wrap,
  .container {
    width: min(calc(100% - 28px), var(--max));
  }

  .brand img,
  .footer-brand img {
    width: 116px;
  }

  .hero {
    padding-bottom: 58px;
  }

  .section {
    padding: 64px 0;
  }

  .actions,
  .button {
    width: 100%;
  }

  .logo-panel {
    min-height: 230px;
    padding: 24px;
  }

  .detail-list li {
    display: grid;
    gap: 3px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}