:root {
  color-scheme: light;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #1e2433;
  background: #f9fbff;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  min-height: 100%;
  background: radial-gradient(circle at top left, rgba(189, 240, 255, 0.45), transparent 35%),
              radial-gradient(circle at bottom right, rgba(251, 221, 255, 0.5), transparent 38%),
              #f9fbff;
}

body {
  overflow-x: hidden;
}

img {
  max-width: 100%;
}

button, input {
  font: inherit;
}

.page-shell {
  max-width: 1280px;
  margin: 0 auto;
  padding: 32px 24px 48px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 0 32px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 14px;
  background: linear-gradient(135deg, #b7e0ff, #f8d2ff);
  box-shadow: 0 15px 35px rgba(129, 128, 187, 0.15);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.nav-links a {
  color: #4a4f63;
  text-decoration: none;
  font-weight: 500;
  transition: color 180ms ease, transform 180ms ease;
}

.nav-links a:hover {
  color: #1c2535;
  transform: translateY(-1px);
}

.button {
  border: none;
  border-radius: 14px;
  padding: 16px 26px;
  cursor: pointer;
  transition: transform 220ms ease, box-shadow 220ms ease, background 220ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: linear-gradient(135deg, #908cff, #6fd6ff);
  color: #ffffff;
  box-shadow: 0 18px 40px rgba(112, 146, 255, 0.18);
}

.button-secondary {
  background: rgba(255,255,255,0.92);
  color: #2f3350;
  border: 1px solid rgba(105, 109, 148, 0.16);
}

.button-ghost {
  background: transparent;
  color: #4a4f63;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(360px, 1fr);
  gap: 48px;
  align-items: center;
  padding: 24px 0 56px;
}

.hero-copy {
  max-width: 620px;
}

.eyebrow {
  color: #6d72a3;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

h1 {
  margin: 0;
  font-size: clamp(2.8rem, 4vw, 4.4rem);
  line-height: 1.02;
  letter-spacing: -0.05em;
  color: #151b2b;
}

.hero-text {
  margin: 24px 0 32px;
  max-width: 520px;
  color: #5f6478;
  font-size: 1.05rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(120px, 1fr));
  gap: 18px;
  margin-top: 34px;
  color: #4c5273;
}

.metrics strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1.1rem;
  color: #1e2433;
}

.hero-visual {
  position: relative;
}

.mockup-shell {
  position: relative;
  background: rgba(255, 255, 255, 0.88);
  border-radius: 38px;
  padding: 28px;
  box-shadow: 0 35px 80px rgba(100, 99, 187, 0.12);
  overflow: hidden;
}

.mockup-header {
  width: 70px;
  height: 8px;
  background: rgba(160, 156, 242, 0.2);
  border-radius: 999px;
  margin-bottom: 22px;
}

.mockup-panel {
  border-radius: 32px;
  background: linear-gradient(180deg, #f7faff 0%, #eef5ff 100%);
  padding: 22px;
}

.status-bar {
  display: flex;
  gap: 10px;
  margin-bottom: 24px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: #d8d8ff;
}

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

.panel-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #252d47;
}

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

.stat-card {
  padding: 18px;
  border-radius: 24px;
  background: white;
  box-shadow: 0 18px 35px rgba(107, 112, 174, 0.08);
}

.stat-card span {
  display: block;
  margin-bottom: 8px;
  color: #7a7f9b;
}

.stat-card strong {
  font-size: 1.45rem;
  color: #1f2740;
}

.activity-list {
  display: grid;
  gap: 12px;
}

.activity-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px;
  border-radius: 22px;
  background: rgba(255,255,255,0.88);
}

.activity-item span {
  color: #5d627d;
}

.activity-item strong {
  color: #1f2740;
}

.hero-gradient {
  position: absolute;
  inset: -24px -24px 0 0;
  z-index: -1;
  background: radial-gradient(circle at 10% 20%, rgba(230, 245, 255, 0.75), transparent 28%),
              radial-gradient(circle at 80% 70%, rgba(255, 224, 240, 0.7), transparent 24%);
}

.section-block {
  padding: 40px 0;
}

.section-heading {
  max-width: 640px;
}

.section-heading h2 {
  margin: 16px 0 0;
  font-size: clamp(2rem, 2.8vw, 3rem);
  line-height: 1.08;
  color: #151b2b;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  margin-top: 32px;
}

.feature-card {
  background: rgba(255,255,255,0.88);
  border-radius: 28px;
  padding: 28px;
  box-shadow: 0 18px 45px rgba(112, 121, 188, 0.09);
  transition: transform 220ms ease, box-shadow 220ms ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 25px 55px rgba(112, 121, 188, 0.16);
}

.feature-icon {
  display: inline-flex;
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: linear-gradient(135deg, #f6e6ff, #d4f2ff);
  font-size: 1.2rem;
  margin-bottom: 20px;
}

.feature-card h3 {
  margin: 0 0 12px;
  font-size: 1.15rem;
}

.feature-card p {
  margin: 0;
  color: #5f6478;
}

.comparison-block {
  background: linear-gradient(180deg, rgba(255,255,255,0.95), rgba(247,244,255,0.92));
  border-radius: 36px;
  padding: 46px 32px 42px;
}

.comparison-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.compare-card {
  background: white;
  border-radius: 32px;
  padding: 30px;
  box-shadow: 0 22px 45px rgba(104, 106, 162, 0.08);
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.compare-card.featured {
  background: linear-gradient(180deg, #f8f4ff, #eef8ff);
  border: 1px solid rgba(120, 107, 236, 0.18);
}

.badge {
  display: inline-flex;
  padding: 9px 14px;
  border-radius: 999px;
  background: rgba(145, 108, 255, 0.14);
  color: #5d43d0;
  font-size: 0.9rem;
  font-weight: 700;
  width: fit-content;
}

.compare-card h3 {
  margin: 0;
  font-size: 1.3rem;
}

.compare-card p {
  margin: 0;
  color: #5f6478;
}

.compare-card strong {
  font-size: 2rem;
  color: #1f2740;
}

.compare-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 12px;
}

.compare-card li {
  color: #5f6478;
}

.faq-block {
  padding-top: 42px;
}

.faq-list {
  display: grid;
  gap: 18px;
  margin-top: 32px;
}

details {
  background: white;
  border-radius: 24px;
  padding: 22px 24px;
  box-shadow: 0 16px 34px rgba(104, 109, 165, 0.08);
}

summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
  cursor: pointer;
  font-weight: 600;
  color: #1e2433;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: '+';
  font-size: 1.3rem;
  color: #6d72a3;
  transition: transform 180ms ease;
}

details[open] summary::after {
  transform: rotate(45deg);
}

details p {
  margin: 18px 0 0;
  color: #5f6478;
}

.signup-block {
  background: linear-gradient(135deg, rgba(240, 250, 255, 0.95), rgba(255, 242, 255, 0.95));
  border-radius: 36px;
  padding: 42px 36px;
  margin-top: 12px;
}

.signup-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  align-items: center;
}

.signup-form {
  display: grid;
  gap: 16px;
  max-width: 420px;
}

.signup-form label {
  font-weight: 600;
  color: #1e2433;
}

.signup-form input {
  width: 100%;
  padding: 16px 18px;
  border: 1px solid rgba(110, 116, 148, 0.16);
  border-radius: 18px;
  background: white;
  color: #1d2337;
}

.form-note {
  margin: 0;
  color: #6f738f;
  font-size: 0.95rem;
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 36px;
  color: #6d72a3;
}

.footer-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.footer-links a {
  color: #6d72a3;
  text-decoration: none;
}

@media (max-width: 980px) {
  .hero,
  .comparison-grid,
  .signup-grid,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .page-shell {
    padding: 24px 18px 36px;
  }
}

@media (max-width: 650px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

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

  .nav-links {
    width: 100%;
  }

  .hero-visual,
  .feature-card,
  .compare-card,
  .signup-block {
    border-radius: 28px;
  }
}