:root {
  --bg: #071320;
  --bg-2: #0b1828;
  --bg-3: #0f2136;
  --surface: rgba(255,255,255,0.05);
  --surface-2: rgba(255,255,255,0.07);
  --border: rgba(255,255,255,0.11);
  --text: #f6fbff;
  --muted: #a6b8c9;
  --soft: #d7e5f1;
  --cyan: #6ce7ff;
  --blue: #4cb6ff;
  --dark: #08111d;
  --shadow-lg: 0 30px 80px rgba(0, 0, 0, 0.32);
  --shadow-md: 0 18px 45px rgba(0, 0, 0, 0.22);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --container: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(64, 195, 255, 0.10), transparent 34%),
    linear-gradient(180deg, #071320 0%, #08131f 35%, #0a1624 100%);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font: inherit; }

.site-shell {
  position: relative;
  min-height: 100vh;
  overflow: clip;
}

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

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.12;
  pointer-events: none;
}

.ambient {
  position: absolute;
  border-radius: 999px;
  filter: blur(80px);
  pointer-events: none;
}
.ambient-1 {
  width: 460px; height: 460px;
  background: rgba(108, 231, 255, 0.16);
  top: 40px; left: -120px;
  animation: floatA 14s ease-in-out infinite;
}
.ambient-2 {
  width: 420px; height: 420px;
  background: rgba(76, 182, 255, 0.16);
  top: 220px; right: -110px;
  animation: floatB 16s ease-in-out infinite;
}
.ambient-3 {
  width: 360px; height: 360px;
  background: rgba(76, 182, 255, 0.08);
  bottom: 60px; left: 50%; transform: translateX(-50%);
  animation: pulseGlow 12s ease-in-out infinite;
}

@keyframes floatA {
  0%,100% { transform: translate3d(0,0,0); }
  50% { transform: translate3d(24px, 32px, 0); }
}
@keyframes floatB {
  0%,100% { transform: translate3d(0,0,0); }
  50% { transform: translate3d(-20px, -26px, 0); }
}
@keyframes pulseGlow {
  0%,100% { transform: translateX(-50%) scale(1); }
  50% { transform: translateX(-50%) scale(1.08); }
}
@keyframes bob {
  0%,100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}
@keyframes spinSlow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: rgba(6, 13, 22, 0.62);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.nav-wrap {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 24px;
  align-items: center;
  min-height: 86px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}
.brand-logo {
  width: 46px;
  height: 46px;
  flex: 0 0 auto;
  filter: drop-shadow(0 8px 18px rgba(0,0,0,0.22));
}
.brand-copy { min-width: 0; }
.brand-name {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: #b9f3ff;
  white-space: nowrap;
}
.brand-tagline {
  font-size: 0.76rem;
  color: var(--muted);
  margin-top: 3px;
  white-space: nowrap;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
}
.nav a {
  color: #c3d3e2;
  font-size: 0.95rem;
  transition: color .22s ease, opacity .22s ease;
}
.nav a:hover { color: #fff; }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.menu-toggle {
  display: none;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(255,255,255,0.05);
  cursor: pointer;
}
.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: #fff;
  margin: 5px auto;
  border-radius: 999px;
}

.section {
  position: relative;
  z-index: 2;
  padding: 92px 0;
}
.hero.section {
  padding-top: 48px;
  padding-bottom: 72px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: 60px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 40px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.06);
  color: #c8f6ff;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  backdrop-filter: blur(10px);
}

.hero h1,
.section-intro h2,
.feature-copy h2,
.cta-copy h2 {
  margin: 22px 0 0;
  line-height: 1.02;
  letter-spacing: -0.045em;
}
.hero h1 {
  max-width: 12ch;
  font-size: clamp(3.3rem, 7vw, 6.2rem);
  font-weight: 800;
}
.section-intro h2,
.feature-copy h2,
.cta-copy h2 {
  font-size: clamp(2.1rem, 4vw, 4.2rem);
  font-weight: 750;
}
.hero-lead,
.section-intro p,
.feature-copy p,
.cta-copy p {
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.8vw, 1.18rem);
  line-height: 1.8;
  max-width: 48rem;
}

.hero-actions,
.cta-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 32px;
}

.hero-pills {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 40px;
}
.pill {
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: rgba(255,255,255,0.05);
  color: #dce8f3;
  font-size: 0.94rem;
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(10px);
}

.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform .2s ease, background .2s ease, border-color .2s ease, color .2s ease, box-shadow .2s ease;
}
.btn:hover {
  transform: translateY(-1px);
}
.btn-primary {
  background: linear-gradient(135deg, #88f0ff 0%, #53d8ff 100%);
  color: #071320;
  box-shadow: 0 18px 34px rgba(83,216,255,0.24);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #9af3ff 0%, #70e1ff 100%);
}
.btn-secondary,
.btn-ghost {
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.05);
  color: #fff;
}
.btn-secondary:hover,
.btn-ghost:hover {
  background: rgba(255,255,255,0.09);
}
.btn-lg {
  min-height: 54px;
  padding: 0 26px;
}

.hero-visual {
  position: relative;
}
.orbit {
  position: absolute;
  border-radius: 999px;
  border: 1px solid rgba(152, 235, 255, 0.18);
  pointer-events: none;
}
.orbit-1 {
  width: 126px; height: 126px;
  right: 12px; top: -30px;
  animation: spinSlow 18s linear infinite;
}
.orbit-2 {
  width: 86px; height: 86px;
  left: -14px; bottom: 100px;
  animation: bob 5s ease-in-out infinite;
  border-radius: 28px;
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.10);
}

.product-frame {
  position: relative;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 30px;
  background: rgba(8, 16, 28, 0.82);
  box-shadow: 0 24px 80px rgba(0,0,0,0.42);
  backdrop-filter: blur(18px);
  overflow: hidden;
}
.floating-card {
  animation: bob 5.5s ease-in-out infinite;
}
.window-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 18px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.window-dots {
  display: flex;
  gap: 8px;
}
.window-dots span {
  width: 11px; height: 11px; border-radius: 999px;
}
.window-dots span:nth-child(1) { background: rgba(248,113,113,0.8); }
.window-dots span:nth-child(2) { background: rgba(250,204,21,0.8); }
.window-dots span:nth-child(3) { background: rgba(74,222,128,0.8); }
.window-chip {
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.05);
  color: var(--soft);
  padding: 7px 12px;
  border-radius: 999px;
  font-size: 0.77rem;
}
.product-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 16px;
  padding: 18px;
}
.product-left,
.product-right {
  display: grid;
  gap: 16px;
}
.panel {
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 22px;
  background: rgba(255,255,255,0.04);
  padding: 16px;
}
.panel-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
}
.panel-title {
  font-weight: 700;
  font-size: 0.95rem;
  color: #e8f6ff;
}
.panel-subtitle {
  margin-top: 4px;
  font-size: 0.78rem;
  color: #93a8ba;
}
.status-chip {
  border: 1px solid rgba(108,231,255,0.18);
  background: rgba(108,231,255,0.10);
  color: #bcf5ff;
  padding: 7px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  white-space: nowrap;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.stat-box,
.roll-item,
.bullet,
.stack-point {
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px;
  background: rgba(7,15,24,0.60);
}
.stat-box {
  padding: 12px;
}
.stat-box span {
  display: block;
  font-size: 0.67rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #7f93a5;
}
.stat-box strong {
  display: block;
  margin-top: 10px;
  font-size: 1.08rem;
}
.mini-heading {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  font-size: 0.88rem;
  font-weight: 700;
  color: #d8f4ff;
}
.diagram-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.diagram {
  position: relative;
  border: 1px solid rgba(108,231,255,0.20);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(108,231,255,0.12) 0%, rgba(76,182,255,0.10) 100%);
  overflow: hidden;
}
.diagram::before {
  content: "";
  position: absolute;
  left: 8px; right: 8px; top: 8px;
  height: 8px;
  border-radius: 999px;
  background: rgba(255,255,255,0.10);
}
.diagram::after {
  content: "";
  position: absolute;
  left: 8px; right: 8px; top: 28px; bottom: 8px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  background: rgba(255,255,255,0.03);
}
.tall { height: 168px; }
.short { height: 110px; }
.mid { height: 145px; }
.short-2 { height: 105px; }
.short-3 { height: 120px; }
.roll-list,
.bullet-list,
.stack-points { display: grid; gap: 12px; }
.roll-item,
.bullet,
.stack-point { padding: 14px; }
.roll-meta {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: 0.86rem;
  color: #fff;
}
.roll-meta span:last-child {
  color: #bdf4ff;
  text-align: right;
}
.progress {
  margin-top: 12px;
  width: 100%;
  height: 8px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  overflow: hidden;
}
.progress div {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #8df2ff 0%, #4dbdff 100%);
}
.bullet,
.stack-point {
  color: #dbe8f2;
  position: relative;
  padding-left: 42px;
}
.bullet::before,
.stack-point::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 18px;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, #91f3ff, #57dbff);
  box-shadow: 0 0 0 4px rgba(108,231,255,0.10);
}

.section-intro {
  max-width: 780px;
  margin-bottom: 42px;
}
.section-intro.centered {
  text-align: center;
  margin-inline: auto;
}
.section-intro.centered .eyebrow { margin-inline: auto; }

.card-grid {
  display: grid;
  gap: 20px;
}
.three-up { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.two-up { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.glass-card,
.step-card,
.glass-panel,
.cta-panel,
.faq-list details {
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-md);
}
.glass-card,
.step-card {
  border-radius: 28px;
  padding: 28px;
}
.glass-panel {
  border-radius: 32px;
  padding: 34px;
}
.glass-card h3,
.step-card h3 {
  margin: 0;
  font-size: 1.45rem;
}
.glass-card p,
.step-card p {
  margin: 14px 0 0;
  color: var(--muted);
  line-height: 1.8;
}
.icon-badge {
  width: 52px; height: 52px;
  display: grid; place-items: center;
  margin-bottom: 20px;
  border-radius: 16px;
  border: 1px solid rgba(108,231,255,0.18);
  background: rgba(108,231,255,0.10);
  color: #bdf4ff;
  font-size: 1.3rem;
}

.feature-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  gap: 22px;
  align-items: start;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}
.step-no {
  color: #93f3ff;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.25em;
  margin-bottom: 16px;
}

.faq-section { padding-top: 54px; }
.faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 24px;
  align-items: start;
}
.faq-list {
  display: grid;
  gap: 14px;
}
.faq-list details {
  border-radius: 22px;
  padding: 0;
  overflow: hidden;
}
.faq-list summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 22px;
  font-weight: 700;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list details p {
  margin: 0;
  padding: 0 22px 22px;
  color: var(--muted);
  line-height: 1.8;
}

.cta-panel {
  border-radius: 36px;
  padding: 38px 42px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  background:
    radial-gradient(circle at 20% 20%, rgba(103, 232, 249, 0.16), transparent 30%),
    radial-gradient(circle at 80% 55%, rgba(59, 130, 246, 0.15), transparent 26%),
    linear-gradient(90deg, rgba(108,231,255,0.10), rgba(7,15,24,0.90) 45%, rgba(76,182,255,0.10));
}

.site-footer {
  position: relative;
  z-index: 2;
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 26px 0 36px;
}
.footer-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-branding {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--muted);
}
.footer-branding strong { color: #edf9ff; }
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}
.footer-links a {
  color: var(--muted);
  transition: color .2s ease;
}
.footer-links a:hover { color: #fff; }

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .7s ease, transform .7s cubic-bezier(.22,1,.36,1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1140px) {
  .hero-grid,
  .feature-layout,
  .faq-layout,
  .cta-panel,
  .product-grid {
    grid-template-columns: 1fr;
  }
  .hero h1 { max-width: 14ch; }
}

@media (max-width: 920px) {
  .nav-wrap {
    grid-template-columns: auto auto auto;
    gap: 14px;
  }
  .menu-toggle { display: inline-block; justify-self: end; }
  .nav {
    position: absolute;
    top: 86px;
    left: 20px;
    right: 20px;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: 18px;
    border: 1px solid var(--border);
    border-radius: 22px;
    background: rgba(9, 17, 27, 0.94);
    box-shadow: var(--shadow-lg);
  }
  .nav.open { display: flex; }
  .nav-actions { justify-self: end; }
  .hero-pills,
  .three-up,
  .steps-grid,
  .two-up,
  .stats-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .section { padding: 72px 0; }
  .hero.section { padding-top: 26px; }
  .brand-logo { width: 40px; height: 40px; }
  .brand-name {
    font-size: 0.84rem;
    letter-spacing: 0.08em;
  }
  .brand-tagline { font-size: 0.68rem; }
  .nav-actions .btn-ghost { display: none; }
  .hero-actions,
  .cta-actions { flex-direction: column; }
  .btn,
  .btn-lg { width: 100%; }
  .glass-card,
  .step-card,
  .glass-panel,
  .cta-panel { padding: 24px; }
  .window-bar,
  .product-grid { padding: 14px; }
  .panel-top,
  .roll-meta,
  .footer-wrap { flex-direction: column; align-items: flex-start; }
  .panel-top { gap: 10px; }
}