:root {
  --bg: #f4f7fb;
  --panel: #ffffff;
  --panel-alt: #eef5ff;
  --primary: #1f4cff;
  --primary-dark: #1438bd;
  --secondary: #ebf0ff;
  --text: #172033;
  --muted: #606d85;
  --line: #dfe8f6;
  --success: #2b8a56;
  --warning: #d9822b;
  --danger: #c24d4d;
  --shadow: 0 18px 45px rgba(23, 32, 51, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

img {
  max-width: 100%;
}

.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.section {
  padding: 88px 0;
}

.muted {
  background: rgba(255, 255, 255, 0.56);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(244, 247, 251, 0.8);
  border-bottom: 1px solid rgba(223, 232, 246, 0.8);
}

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

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.05rem;
  font-weight: 700;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), #8ea8ff);
  color: #fff;
  font-size: 0.8rem;
}

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

.nav-links a,
.site-footer a {
  color: var(--text);
  text-decoration: none;
}

.nav-links a {
  font-size: 0.96rem;
  color: var(--muted);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--primary);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.76rem;
}

.hero-copy h1,
.section-heading h2 {
  margin: 0;
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.hero-copy h1 {
  font-size: clamp(2.7rem, 5vw, 4.3rem);
  max-width: 620px;
}

.lede {
  margin-top: 18px;
  max-width: 620px;
  font-size: 1.1rem;
  color: var(--muted);
}

.cta-row {
  margin-top: 28px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

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

.button.primary {
  background: var(--primary);
  color: #fff;
  padding: 15px 22px;
  box-shadow: 0 12px 22px rgba(31, 76, 255, 0.2);
}

.button.primary:hover {
  background: var(--primary-dark);
}

.button.secondary {
  background: var(--secondary);
  color: var(--text);
  border: 1px solid var(--line);
  padding: 15px 22px;
}

.button.small {
  padding: 10px 16px;
  font-size: 0.92rem;
}

.trust-points {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
  color: var(--muted);
}

.trust-points li::before {
  content: "✓ ";
  color: var(--success);
  font-weight: 700;
}

.hero-panel,
.demo-box,
.info-card,
.step-card,
.price-card,
.signal-box,
.faq-list details {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.hero-panel {
  padding: 20px 20px 10px;
}

.panel-header {
  display: flex;
  gap: 8px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
}

.dot.green { background: #52c788; }
.dot.amber { background: #f7b267; }
.dot.red { background: #eb6b6b; }

.sample-output {
  padding-top: 20px;
}

.mini-label {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.sample-output h3 {
  margin: 0 0 10px;
  font-size: 1.6rem;
}

.sample-output ul,
.demo-box ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

.section-heading {
  margin-bottom: 28px;
}

.section-heading h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  max-width: 760px;
}

.card-grid,
.steps-grid,
.pricing-grid {
  display: grid;
  gap: 22px;
}

.three-up,
.steps-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.four-up {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

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

.info-card h3,
.step-card h3,
.price-card .plan-name {
  margin-top: 0;
  margin-bottom: 10px;
}

.info-card p,
.step-card p,
.price-card p,
.faq-list p,
.footer-note p {
  margin: 0;
  color: var(--muted);
}

.step-card {
  position: relative;
}

.step-number {
  display: inline-flex;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  margin-bottom: 18px;
  align-items: center;
  justify-content: center;
  background: var(--secondary);
  color: var(--primary);
  font-weight: 700;
}

.demo-cta-row {
  margin-bottom: 18px;
}

.demo-panels {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.demo-box {
  padding: 22px 24px;
}

.demo-box h3 {
  margin-top: 0;
}

.benefit-card {
  min-height: 180px;
}

.narrow {
  max-width: 860px;
}

.pricing-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.price-card {
  position: relative;
}

.featured {
  border-color: rgba(31, 76, 255, 0.35);
  background: linear-gradient(180deg, #f8faff, #edf3ff);
}

.featured-tag {
  position: absolute;
  right: 16px;
  top: 16px;
  background: var(--primary);
  color: #fff;
  font-size: 0.72rem;
  padding: 6px 10px;
  border-radius: 999px;
}

.plan-name {
  display: inline-block;
  font-weight: 700;
  font-size: 1.1rem;
}

.price {
  font-size: clamp(2rem, 3vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.05em;
  margin: 8px 0;
}

.price span {
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 600;
}

.pricing-note {
  margin-top: 18px;
  color: var(--muted);
  font-size: 0.96rem;
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-list details {
  padding: 18px 20px;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 700;
}

.faq-list p {
  margin-top: 12px;
}

.callout {
  padding-top: 0;
}

.signal-box {
  display: grid;
  grid-template-columns: 1.2fr 1.4fr auto;
  gap: 18px;
  align-items: center;
  padding: 28px 30px;
}

.signal-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.metric-block {
  text-align: center;
  padding: 16px 10px;
  background: var(--panel-alt);
  border: 1px solid var(--line);
  border-radius: 14px;
}

.metric-block strong {
  display: block;
  font-size: 1.8rem;
  letter-spacing: -0.05em;
}

.metric-block span {
  font-size: 0.8rem;
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid var(--line);
  background: #f8f9fd;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 28px 0;
}

.small-brand {
  margin-bottom: 10px;
}

.footer-note {
  max-width: 460px;
}

@media (max-width: 900px) {
  .hero-grid,
  .demo-panels,
  .signal-box,
  .three-up,
  .four-up,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .nav {
    flex-wrap: wrap;
    justify-content: center;
    padding: 12px 0;
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
  }

  .signal-box {
    text-align: center;
  }

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

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