:root {
  --bg: #edf4ff;
  --bg-deep: #041226;
  --text: #11203a;
  --muted: #51627b;
  --card: rgba(255, 255, 255, 0.78);
  --card-border: rgba(104, 139, 190, 0.28);
  --primary: #1f7dff;
  --primary-dark: #0f5bd0;
  --mint: #19c28d;
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Plus Jakarta Sans", "Segoe UI", "Trebuchet MS", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 50% 0%, #d8e9ff, var(--bg) 50%);
  line-height: 1.4;
}

.page-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background:
    radial-gradient(circle at 10% 15%, rgba(31, 125, 255, 0.28), transparent 34%),
    radial-gradient(circle at 90% 12%, rgba(25, 194, 141, 0.2), transparent 36%),
    radial-gradient(circle at 40% 60%, rgba(61, 144, 255, 0.2), transparent 38%);
  filter: blur(8px);
}

.shell {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

.top-nav {
  margin-top: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid rgba(124, 157, 203, 0.4);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 12px;
  z-index: 20;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
}

.brand-dot {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), #79b2ff);
  box-shadow: 0 0 0 5px rgba(31, 125, 255, 0.14);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
}

.nav-links a {
  color: #2b3d5d;
  text-decoration: none;
  font-weight: 600;
  font-size: 13px;
}

.hero {
  padding: 72px 0 24px;
  text-align: center;
}

.hero-tag,
.eyebrow {
  display: inline-block;
  margin: 0;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(103, 143, 196, 0.4);
  background: rgba(255, 255, 255, 0.72);
  color: #28476f;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h1 {
  margin: 22px auto 12px;
  max-width: 850px;
  font-family: "Instrument Serif", "Georgia", serif;
  font-size: clamp(44px, 7.4vw, 88px);
  line-height: 0.96;
  letter-spacing: -0.02em;
}

.hero-copy {
  margin: 0 auto;
  max-width: 730px;
  color: var(--muted);
  font-size: clamp(16px, 2.4vw, 22px);
}

.hero-cta {
  margin-top: 26px;
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid rgba(107, 145, 198, 0.45);
  text-decoration: none;
  color: #274168;
  background: rgba(255, 255, 255, 0.76);
  font-size: 14px;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(37, 91, 173, 0.2);
}

.button.primary {
  color: white;
  border-color: var(--primary-dark);
  background: linear-gradient(120deg, var(--primary-dark), var(--primary));
}

.button.soft {
  background: rgba(233, 244, 255, 0.9);
}

.button.ghost {
  height: 34px;
  padding: 0 14px;
  font-size: 13px;
}

.micro-note {
  margin: 12px 0 0;
  color: #506589;
  font-size: 13px;
}

.product-preview {
  margin: 42px auto 0;
  width: min(920px, 100%);
  border-radius: calc(var(--radius) + 8px);
  border: 1px solid rgba(104, 146, 203, 0.5);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.74), rgba(214, 234, 255, 0.66));
  box-shadow:
    0 26px 64px rgba(32, 95, 182, 0.26),
    inset 0 1px 0 rgba(255, 255, 255, 0.7);
  overflow: hidden;
}

.preview-top {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 11px 14px;
  border-bottom: 1px solid rgba(105, 150, 206, 0.4);
  background: rgba(226, 239, 255, 0.75);
}

.preview-top p {
  margin: 0 auto 0 6px;
  color: #365b8a;
  font-size: 13px;
  font-weight: 700;
}

.dot {
  width: 9px;
  height: 9px;
  border-radius: 999px;
}

.dot.red {
  background: #ff6d6d;
}

.dot.yellow {
  background: #ffbf48;
}

.dot.green {
  background: #3ccf6b;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  padding: 16px;
}

.preview-grid article {
  text-align: left;
  padding: 16px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(113, 155, 208, 0.34);
}

.preview-grid h3 {
  margin: 0 0 6px;
  font-size: 17px;
}

.preview-grid p {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
}

.section {
  padding: 84px 0 0;
}

.section-head {
  text-align: center;
}

.section-head h2 {
  margin: 16px auto 0;
  max-width: 760px;
  font-size: clamp(30px, 4vw, 54px);
  line-height: 1.04;
  letter-spacing: -0.02em;
}

.card-grid {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.feature-card {
  padding: 20px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--card-border);
  min-height: 160px;
}

.feature-card h3 {
  margin: 0 0 8px;
  font-size: 22px;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
}

.compare-wrap {
  margin-top: 74px;
  background: linear-gradient(145deg, #08142a, #020914);
  border-radius: 28px;
  border: 1px solid rgba(61, 113, 186, 0.34);
  padding-bottom: 56px;
}

.compare-wrap .section-head h2,
.compare-wrap .eyebrow {
  color: #e6f1ff;
}

.compare-wrap .eyebrow {
  border-color: rgba(104, 156, 226, 0.4);
  background: rgba(11, 34, 67, 0.62);
}

.compare-grid {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.compare-card {
  padding: 22px;
  border-radius: var(--radius);
  border: 1px solid rgba(81, 128, 195, 0.34);
  background: rgba(10, 25, 47, 0.7);
  color: #c9dcf7;
}

.compare-card.active {
  border-color: rgba(34, 155, 255, 0.7);
  box-shadow: 0 0 42px rgba(33, 131, 255, 0.21);
}

.compare-card h3 {
  margin: 0 0 12px;
  color: white;
}

.compare-card ul {
  margin: 0;
  padding-left: 18px;
}

.compare-card li {
  margin-bottom: 9px;
}

.steps {
  margin-top: 30px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.step {
  padding: 18px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--card-border);
}

.step span {
  display: inline-block;
  font-family: "Instrument Serif", "Georgia", serif;
  font-size: 34px;
  color: #2f74d8;
}

.step h3 {
  margin: 8px 0 6px;
  font-size: 20px;
}

.step p {
  margin: 0;
  color: var(--muted);
}

.final-cta {
  margin-top: 50px;
  margin-bottom: 36px;
  border-radius: 26px;
  border: 1px solid rgba(102, 144, 204, 0.38);
  background: linear-gradient(145deg, rgba(241, 250, 255, 0.86), rgba(219, 237, 255, 0.74));
  text-align: center;
  padding: 42px 18px 48px;
}

.final-cta h2 {
  margin: 16px auto 10px;
  font-size: clamp(30px, 4.2vw, 52px);
}

.final-cta p {
  margin: 0;
  color: var(--muted);
}

.final-cta small {
  display: block;
  margin-top: 12px;
  color: #4f6589;
}

code {
  font-family: "SF Mono", "Menlo", "Monaco", monospace;
  font-size: 12px;
}

.footer {
  display: flex;
  justify-content: center;
  padding: 0 0 40px;
  color: #4b6083;
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.in {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1040px) {
  .card-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .preview-grid {
    grid-template-columns: 1fr;
  }

  .steps {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .top-nav {
    border-radius: 16px;
    flex-wrap: wrap;
    justify-content: center;
  }

  .nav-links {
    width: 100%;
    justify-content: center;
    gap: 16px;
  }

  .card-grid,
  .compare-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 44px;
  }
}