:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-alt: #edf3fb;
  --surface-dark: #0f1d33;
  --text: #122033;
  --muted: #586779;
  --line: #d7e1ee;
  --primary: #1565f7;
  --primary-strong: #0d4fd0;
  --accent: #8cc7ff;
  --success: #0c9f74;
  --shadow: 0 22px 60px rgba(18, 32, 51, 0.12);
  --radius: 24px;
  --radius-sm: 16px;
  --max-width: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Instrument Sans", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(21, 101, 247, 0.14), transparent 26%),
    linear-gradient(180deg, #f9fbfe 0%, #f4f7fb 48%, #ffffff 100%);
}

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

a {
  color: inherit;
  text-decoration: none;
}

p,
li {
  line-height: 1.7;
}

.container {
  width: min(calc(100% - 2rem), var(--max-width));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(16px);
  background: rgba(244, 247, 251, 0.82);
  border-bottom: 1px solid rgba(18, 32, 51, 0.08);
}

.nav-shell {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: 82px;
  position: relative;
}

.brand img {
  width: 174px;
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  margin-left: auto;
  margin-right: 1rem;
}

.site-nav a,
.footer-links a,
.inline-links a {
  color: var(--muted);
  font-weight: 600;
}

.site-nav a:hover,
.footer-links a:hover,
.inline-links a:hover {
  color: var(--text);
}

.nav-toggle {
  display: none;
  margin-left: auto;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 12px;
  padding: 0.7rem;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 3px 0;
  background: var(--text);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.95rem 1.35rem;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

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

.button-primary {
  color: #ffffff;
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  box-shadow: 0 16px 36px rgba(21, 101, 247, 0.28);
}

.button-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--line);
  box-shadow: 0 10px 30px rgba(18, 32, 51, 0.08);
}

.hero,
.page-hero {
  padding: 4.75rem 0 4rem;
}

.hero-grid,
.page-hero-grid,
.split-intro,
.cta-shell {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem;
  align-items: center;
}

.eyebrow,
.section-kicker,
.tag,
.product-name,
.card-label {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.eyebrow,
.section-kicker,
.tag,
.product-name {
  color: var(--primary);
}

h1,
h2,
h3 {
  margin: 0 0 0.8rem;
  font-family: "Space Grotesk", "Instrument Sans", sans-serif;
  letter-spacing: -0.04em;
  line-height: 1;
}

h1 {
  font-size: clamp(2.9rem, 8vw, 5.7rem);
  max-width: 11ch;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
}

h3 {
  font-size: 1.5rem;
}

.hero-text,
.section-header p,
.split-intro p,
.product-card p,
.feature-card p,
.problem-list li,
.value-list li,
.roi-card p,
.price-card p,
.cta-shell p,
.site-footer p,
.solution-card p,
.example-card p,
.metric-card span,
.breadcrumb {
  color: var(--muted);
}

.hero-actions,
.cta-actions,
.button-row,
.inline-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.hero-points,
.list-clean,
.problem-list,
.value-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
}

.hero-points li,
.list-clean li,
.problem-list li,
.value-list li {
  position: relative;
  padding-left: 1.2rem;
  margin-bottom: 0.8rem;
}

.hero-points li::before,
.list-clean li::before,
.problem-list li::before,
.value-list li::before {
  content: "";
  position: absolute;
  top: 0.7rem;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--primary);
}

.hero-panel,
.hero-card,
.metric-card,
.use-card,
.feature-card,
.principle-card,
.product-card,
.problem-card,
.solution-card,
.example-card,
.roi-card,
.price-card {
  background: var(--surface);
  border: 1px solid rgba(18, 32, 51, 0.08);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-panel {
  padding: 1.5rem;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(237, 243, 251, 0.92)),
    var(--surface);
}

.hero-card {
  padding: 1.6rem;
}

.hero-card-primary {
  background: linear-gradient(135deg, #13294f, #1d4d99);
  color: #ffffff;
}

.hero-card-primary p,
.hero-card-primary .card-label {
  color: rgba(255, 255, 255, 0.78);
}

.hero-metrics,
.feature-grid,
.principles-grid,
.product-grid,
.landing-grid,
.card-grid,
.example-grid,
.roi-grid,
.pricing-grid {
  display: grid;
  gap: 1.2rem;
}

.hero-metrics {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 1.2rem;
}

.metric-card,
.feature-card,
.principle-card,
.product-card,
.problem-card,
.solution-card,
.example-card,
.roi-card,
.price-card {
  padding: 1.4rem;
}

.metric-card strong {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 1.7rem;
  font-family: "Space Grotesk", sans-serif;
}

.section {
  padding: 4.25rem 0;
}

.section-tint {
  background: linear-gradient(180deg, rgba(237, 243, 251, 0.64), rgba(255, 255, 255, 0));
}

.section-dark {
  background: linear-gradient(180deg, #13294f 0%, #0f1d33 100%);
  color: #ffffff;
}

.on-dark p,
.principle-card p {
  color: rgba(255, 255, 255, 0.74);
}

.principle-card {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: none;
}

.section-header {
  max-width: 760px;
  margin-bottom: 2rem;
}

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

.use-card,
.featured-card {
  padding: 1.5rem;
}

.use-card h3 {
  margin-top: 0.8rem;
}

.featured-card {
  background: linear-gradient(180deg, #13294f, #1a3764);
  color: #ffffff;
}

.featured-card p,
.featured-card .tag,
.featured-card .card-link {
  color: rgba(255, 255, 255, 0.78);
}

.card-link {
  display: inline-block;
  margin-top: 1.2rem;
  font-weight: 700;
  color: var(--primary);
}

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

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

.product-grid,
.roi-grid,
.pricing-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

.section-cta {
  padding-bottom: 5rem;
}

.cta-shell {
  padding: 2rem;
  border-radius: calc(var(--radius) + 6px);
  background: linear-gradient(135deg, #ffffff, #edf3fb);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.site-footer {
  padding: 2rem 0 2.8rem;
  border-top: 1px solid rgba(18, 32, 51, 0.08);
}

.footer-shell {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  align-items: flex-start;
}

.footer-brand img {
  width: 150px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-meta {
  white-space: nowrap;
}

.page-hero {
  padding-bottom: 3rem;
}

.page-hero-grid {
  align-items: start;
}

.landing-grid {
  grid-template-columns: 1.1fr 0.9fr;
}

.stack {
  display: grid;
  gap: 1.2rem;
}

.price-card strong,
.roi-card strong {
  display: block;
  font-size: 2rem;
  margin-bottom: 0.5rem;
  font-family: "Space Grotesk", sans-serif;
}

.price-note {
  margin-top: 1rem;
  font-size: 0.95rem;
}

@media (max-width: 980px) {
  .hero-grid,
  .page-hero-grid,
  .split-intro,
  .cta-shell,
  .landing-grid,
  .card-grid,
  .feature-grid,
  .principles-grid,
  .product-grid,
  .roi-grid,
  .pricing-grid,
  .hero-metrics,
  .example-grid {
    grid-template-columns: 1fr;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: calc(100% - 0.2rem);
    left: 1rem;
    right: 1rem;
    flex-direction: column;
    align-items: flex-start;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid var(--line);
    border-radius: 18px;
    box-shadow: var(--shadow);
  }

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

  .nav-toggle {
    display: inline-block;
  }

  .desktop-cta {
    display: none;
  }

  h1 {
    max-width: 12ch;
  }

  .footer-shell {
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .hero,
  .page-hero,
  .section {
    padding: 3.4rem 0;
  }

  .nav-shell {
    min-height: 74px;
  }

  .button,
  .desktop-cta {
    width: 100%;
  }

  .hero-actions,
  .cta-actions,
  .button-row {
    flex-direction: column;
  }
}