:root {
  --bg: #0d1726;
  --surface: rgba(19, 35, 57, 0.78);
  --surface-strong: rgba(10, 21, 37, 0.92);
  --border: rgba(148, 163, 184, 0.2);
  --text: #e2e8f0;
  --text-soft: rgba(226, 232, 240, 0.78);
  --brand: #4f46e5;
  --accent: #f97316;
  --white: #ffffff;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'IBM Plex Sans', sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(79, 70, 229, 0.28), transparent 34%),
    radial-gradient(circle at 85% 15%, rgba(249, 115, 22, 0.22), transparent 30%),
    linear-gradient(160deg, #0c1524 0%, #12223a 45%, #172940 100%);
}

a {
  color: inherit;
}

.page-shell {
  width: min(1200px, calc(100vw - 2rem));
  margin: 0 auto;
  padding-bottom: 3rem;
}

.site-header,
.site-footer,
.hero-section,
.content-section,
.cta-section {
  position: relative;
  z-index: 1;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  text-decoration: none;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 1rem;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  color: var(--white);
}

.site-nav,
.header-actions,
.hero-actions,
.footer-links {
  display: flex;
  align-items: center;
  gap: 1rem;
}

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

.button,
.lang-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0 1rem;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

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

.button-solid {
  color: var(--white);
  background: linear-gradient(135deg, var(--brand), var(--accent));
}

.button-ghost,
.lang-toggle {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border);
}

.hero-section {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: center;
  padding: 4rem 0 3rem;
}

.eyebrow {
  margin: 0 0 1rem;
  color: #93c5fd;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.8rem;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: 'Space Grotesk', sans-serif;
}

h1 {
  font-size: clamp(2.8rem, 6vw, 4.8rem);
  line-height: 0.98;
}

.hero-lead,
.section-heading p,
.showcase-card p,
.feature-group li,
.step-card p,
.pricing-description,
.footer-copy {
  color: var(--text-soft);
}

.hero-metrics,
.panel-kpis,
.panel-card-grid,
.showcase-grid,
.feature-groups,
.steps-grid,
.pricing-grid {
  display: grid;
  gap: 1rem;
}

.hero-metrics {
  margin-top: 2rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.metric-card,
.showcase-card,
.feature-group,
.step-card,
.pricing-card,
.panel-window {
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.metric-card {
  border-radius: 1.2rem;
  padding: 1rem;
}

.metric-card dt {
  font-size: 0.8rem;
  color: #93c5fd;
}

.metric-card dd {
  margin: 0.35rem 0 0;
  font-size: 1.1rem;
  font-weight: 700;
}

.panel-window {
  overflow: hidden;
  border-radius: 1.6rem;
}

.panel-toolbar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 1rem;
  background: var(--surface-strong);
  border-bottom: 1px solid var(--border);
}

.panel-url {
  margin-left: auto;
  font-size: 0.8rem;
  color: var(--text-soft);
}

.dot {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 999px;
}

.dot-red { background: #ef4444; }
.dot-amber { background: #f59e0b; }
.dot-green { background: #22c55e; }

.panel-body {
  padding: 1.25rem;
}

.panel-kpis,
.panel-card-grid,
.showcase-grid,
.feature-groups,
.pricing-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.panel-kpis article,
.panel-card-grid article {
  padding: 0.9rem;
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.04);
}

.panel-kpis span,
.panel-card-grid p {
  display: block;
  color: var(--text-soft);
  font-size: 0.8rem;
}

.panel-kpis strong,
.panel-card-grid strong {
  display: block;
  margin-top: 0.35rem;
  font-size: 1.15rem;
}

.panel-flow {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1rem 0;
}

.panel-flow span {
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  background: rgba(79, 70, 229, 0.16);
  color: #c7d2fe;
  font-size: 0.85rem;
}

.content-section,
.cta-section {
  padding: 4rem 0;
}

.alt-section {
  border-top: 1px solid rgba(148, 163, 184, 0.08);
  border-bottom: 1px solid rgba(148, 163, 184, 0.08);
}

.section-heading {
  max-width: 42rem;
  margin-bottom: 2rem;
}

.showcase-card,
.feature-group,
.step-card,
.pricing-card {
  border-radius: 1.4rem;
  padding: 1.4rem;
}

.showcase-card ul,
.feature-group ul,
.pricing-features {
  padding-left: 1rem;
  margin: 1rem 0 0;
}

.steps-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--brand), var(--accent));
  color: var(--white);
  font-weight: 700;
}

.pricing-card.is-featured {
  border-color: rgba(34, 197, 94, 0.45);
  transform: translateY(-0.25rem);
}

.pricing-name {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
}

.pricing-price {
  margin: 1rem 0;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
}

.pricing-price span {
  font-size: 1rem;
  color: var(--text-soft);
}

.pricing-features {
  margin-top: 1.2rem;
}

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

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 2rem 0 0;
  border-top: 1px solid rgba(148, 163, 184, 0.14);
}

.footer-title {
  margin: 0 0 0.35rem;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
}

@media (max-width: 960px) {
  .site-header,
  .hero-section,
  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-section,
  .panel-kpis,
  .panel-card-grid,
  .showcase-grid,
  .feature-groups,
  .steps-grid,
  .pricing-grid,
  .hero-metrics {
    grid-template-columns: 1fr;
  }

  .site-nav {
    flex-wrap: wrap;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100vw - 1rem, 1200px);
  }

  .site-header {
    padding-top: 1rem;
  }

  .header-actions,
  .hero-actions {
    width: 100%;
    flex-wrap: wrap;
  }

  .button,
  .lang-toggle {
    width: 100%;
  }
}