:root {
  --vs-green: #00a85a;
  --vs-green-dark: #047241;
  --vs-mint: #dff7ea;
  --vs-cyan: #0c8fa4;
  --vs-amber: #f2b705;
  --vs-ink: #17211b;
  --vs-muted: #5d6b63;
  --vs-bg: #fbfcf8;
  --vs-bg-soft: #eff7f1;
  --vs-surface: #ffffff;
  --vs-border: #dce8de;
  --vs-shadow: 0 18px 45px rgba(23, 33, 27, 0.08);
}

[data-bs-theme="dark"] {
  --vs-green: #20d078;
  --vs-green-dark: #46e59a;
  --vs-mint: #183528;
  --vs-cyan: #4ec4d6;
  --vs-amber: #f8cf43;
  --vs-ink: #eef7f0;
  --vs-muted: #b9c9bf;
  --vs-bg: #101612;
  --vs-bg-soft: #17231c;
  --vs-surface: #18211b;
  --vs-border: #2c3b31;
  --vs-shadow: 0 18px 45px rgba(0, 0, 0, 0.24);
}

html {
  scroll-padding-top: 5rem;
}

body {
  min-height: 100vh;
  background: var(--vs-bg);
  color: var(--vs-ink);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
  color: var(--vs-green-dark);
}

a:hover {
  color: var(--vs-cyan);
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: 1rem;
  z-index: 2000;
  padding: .65rem .9rem;
  background: var(--vs-surface);
  color: var(--vs-ink);
  border: 1px solid var(--vs-border);
  border-radius: 8px;
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  background: color-mix(in srgb, var(--vs-bg) 92%, transparent);
  border-bottom: 1px solid var(--vs-border);
  backdrop-filter: blur(18px);
}

.navbar-brand {
  color: var(--vs-ink);
  font-weight: 800;
}

.navbar-brand img,
.footer-brand img {
  object-fit: contain;
}

.nav-link {
  color: var(--vs-muted);
  font-weight: 650;
}

.nav-link:hover,
.nav-link.active {
  color: var(--vs-ink);
}

.navbar-toggler {
  border-color: var(--vs-border);
}

.btn {
  border-radius: 8px;
  font-weight: 750;
  transition: transform .22s ease, box-shadow .22s ease, background-position .35s ease, border-color .22s ease;
}

.btn-primary {
  --bs-btn-bg: var(--vs-green);
  --bs-btn-border-color: var(--vs-green);
  --bs-btn-hover-bg: var(--vs-green-dark);
  --bs-btn-hover-border-color: var(--vs-green-dark);
  --bs-btn-color: #ffffff;
  background-image: linear-gradient(110deg, var(--vs-green), var(--vs-cyan), var(--vs-green));
  background-size: 220% 100%;
  box-shadow: 0 14px 32px color-mix(in srgb, var(--vs-green) 26%, transparent);
}

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

.btn-outline-primary {
  --bs-btn-color: var(--vs-green-dark);
  --bs-btn-border-color: var(--vs-green);
  --bs-btn-hover-bg: var(--vs-green);
  --bs-btn-hover-border-color: var(--vs-green);
  --bs-btn-hover-color: #ffffff;
}

.theme-toggle-btn {
  width: 2.5rem;
  height: 2.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--vs-border);
  border-radius: 8px;
  background: var(--vs-surface);
  color: var(--vs-ink);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 5rem 0 3rem;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--vs-mint) 80%, transparent), transparent 58%),
    var(--vs-bg);
  isolation: isolate;
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: -1;
}

.hero::before {
  background-image:
    linear-gradient(90deg, transparent 0 97%, color-mix(in srgb, var(--vs-green) 22%, transparent) 98% 100%),
    linear-gradient(0deg, transparent 0 97%, color-mix(in srgb, var(--vs-cyan) 18%, transparent) 98% 100%);
  background-size: 4rem 4rem;
  mask-image: linear-gradient(90deg, #000 0 58%, transparent 86%);
  opacity: .75;
  animation: vs-grid-shift 18s linear infinite;
}

.hero::after {
  background:
    linear-gradient(115deg, transparent 0 46%, color-mix(in srgb, var(--vs-amber) 22%, transparent) 47%, transparent 50%),
    linear-gradient(115deg, transparent 0 58%, color-mix(in srgb, var(--vs-cyan) 20%, transparent) 59%, transparent 62%);
  transform: translateX(-25%);
  animation: vs-energy-sweep 9s ease-in-out infinite;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-media {
  position: relative;
  min-height: 18rem;
  border-radius: 8px;
  overflow: hidden;
  background: var(--vs-bg-soft);
  box-shadow: var(--vs-shadow);
  transform: translateZ(0);
  transition: transform .35s ease, box-shadow .35s ease;
  animation: vs-soft-float 7s ease-in-out infinite;
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid color-mix(in srgb, var(--vs-green) 35%, transparent);
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--vs-cyan) 16%, transparent);
  pointer-events: none;
}

.hero-media:hover {
  transform: translateY(-3px);
  box-shadow: 0 24px 60px color-mix(in srgb, var(--vs-green) 16%, transparent);
}

.hero-media img,
.hero-media video {
  width: 100%;
  height: 100%;
  min-height: 18rem;
  object-fit: cover;
}

.hero h1 {
  max-width: 12ch;
  font-size: 2.7rem;
  line-height: 1.05;
  font-weight: 850;
}

.hero p.lead {
  max-width: 42rem;
  color: var(--vs-muted);
}

@media (min-width: 992px) {
  .hero {
    padding: 7rem 0 4.5rem;
  }

  .hero h1 {
    font-size: 4.25rem;
  }
}

.eyebrow {
  margin-bottom: .75rem;
  color: var(--vs-green-dark);
  font-size: .86rem;
  font-weight: 850;
  text-transform: uppercase;
}

.section {
  padding: 4rem 0;
}

.section-muted {
  background: var(--vs-bg-soft);
}

.section-heading {
  max-width: 46rem;
  margin-bottom: 2rem;
}

.section-heading h2 {
  font-size: 2rem;
  font-weight: 820;
}

.section-heading p {
  color: var(--vs-muted);
}

.content-card,
.metric-card {
  height: 100%;
  padding: 1.35rem;
  border: 1px solid var(--vs-border);
  border-radius: 8px;
  background: var(--vs-surface);
  box-shadow: 0 10px 30px rgba(23, 33, 27, 0.04);
  transition: transform .24s ease, box-shadow .24s ease, border-color .24s ease;
}

.content-card:hover,
.metric-card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--vs-green) 38%, var(--vs-border));
  box-shadow: var(--vs-shadow);
}

.content-card h3 {
  font-size: 1.2rem;
  font-weight: 800;
}

.content-card p {
  color: var(--vs-muted);
}

.icon-box {
  width: 2.75rem;
  height: 2.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  border-radius: 8px;
  background: var(--vs-mint);
  color: var(--vs-green-dark);
  font-size: 1.35rem;
  transition: transform .24s ease, background-color .24s ease;
}

.content-card:hover .icon-box,
.metric-card:hover .icon-box {
  transform: rotate(-3deg) scale(1.04);
}

.step-list {
  counter-reset: step;
}

.step-item {
  position: relative;
  padding-left: 4rem;
}

.step-item::after {
  content: "";
  position: absolute;
  left: 1.33rem;
  top: 3.05rem;
  bottom: -1.35rem;
  width: 2px;
  background: linear-gradient(var(--vs-green), transparent);
}

.step-item + .step-item {
  margin-top: 1.5rem;
}

.step-item:last-child::after {
  content: none;
}

.step-item::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 2.7rem;
  height: 2.7rem;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--vs-green);
  color: #ffffff;
  font-weight: 850;
}

.registration-panel {
  padding: 1.5rem;
  border: 1px solid var(--vs-border);
  border-radius: 8px;
  background: var(--vs-surface);
  box-shadow: var(--vs-shadow);
  position: relative;
  overflow: hidden;
}

.registration-panel::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: linear-gradient(90deg, var(--vs-green), var(--vs-cyan), var(--vs-amber));
}

.form-head h2 {
  font-size: 1.6rem;
  font-weight: 850;
}

.form-head p,
.form-microcopy,
.form-text {
  color: var(--vs-muted);
}

.form-control,
.form-select {
  border-radius: 8px;
  border-color: var(--vs-border);
  background-color: var(--vs-surface);
  color: var(--vs-ink);
}

.form-control:focus,
.form-select:focus,
.form-check-input:focus {
  border-color: var(--vs-green);
  box-shadow: 0 0 0 .25rem color-mix(in srgb, var(--vs-green) 22%, transparent);
}

.vs-honeypot {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.accordion {
  --bs-accordion-bg: var(--vs-surface);
  --bs-accordion-border-color: var(--vs-border);
  --bs-accordion-active-bg: var(--vs-mint);
  --bs-accordion-active-color: var(--vs-ink);
  --bs-accordion-btn-focus-box-shadow: 0 0 0 .25rem color-mix(in srgb, var(--vs-green) 22%, transparent);
}

.accordion-button {
  font-weight: 800;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .75rem;
  margin-bottom: 1rem;
}

.result-grid div {
  padding: 1rem;
  border: 1px solid var(--vs-border);
  border-radius: 8px;
  background: var(--vs-bg);
}

.result-grid span {
  display: block;
  color: var(--vs-muted);
  font-size: .9rem;
}

.result-grid strong {
  display: block;
  margin-top: .2rem;
  font-size: 1.1rem;
}

.formula-card {
  padding: 1.15rem;
  border: 1px solid var(--vs-border);
  border-radius: 8px;
  background: var(--vs-surface);
  box-shadow: 0 10px 26px rgba(23, 33, 27, 0.05);
}

.formula-card h4 {
  margin-bottom: .85rem;
  font-size: 1.05rem;
  font-weight: 850;
}

.formula-list {
  display: grid;
  gap: .7rem;
  margin-bottom: 0;
}

.formula-list div {
  display: grid;
  grid-template-columns: minmax(9rem, .85fr) 1.25fr;
  gap: .8rem;
  padding-bottom: .7rem;
  border-bottom: 1px solid var(--vs-border);
}

.formula-list div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.formula-list dt {
  color: var(--vs-muted);
  font-weight: 750;
}

.formula-list dd {
  margin-bottom: 0;
}

.requirements-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.requirements-card h3 {
  font-size: 1.25rem;
  font-weight: 850;
}

.requirements-table {
  --bs-table-bg: transparent;
  --bs-table-color: var(--vs-ink);
  --bs-table-border-color: var(--vs-border);
  min-width: 48rem;
}

.requirements-table caption {
  color: var(--vs-muted);
}

.requirements-table th {
  color: var(--vs-ink);
  font-weight: 800;
}

.requirements-table td {
  color: var(--vs-muted);
  vertical-align: top;
}

.requirements-table p:last-child {
  margin-bottom: 0;
}

.usecase-tabs .nav-link {
  border: 1px solid var(--vs-border);
  border-radius: 8px;
  background: var(--vs-surface);
}

.usecase-tabs .nav-link.active {
  background: var(--vs-green);
  border-color: var(--vs-green);
  color: #ffffff;
}

.blog-toolbar {
  padding: 1rem;
  border: 1px solid var(--vs-border);
  border-radius: 8px;
  background: var(--vs-surface);
}

.article-body {
  max-width: 46rem;
}

.article-body h2,
.article-body h3 {
  margin-top: 2rem;
  font-weight: 800;
}

.site-footer {
  border-top: 1px solid var(--vs-border);
  background: var(--vs-surface);
}

.footer-brand {
  color: var(--vs-ink);
  font-size: 1.2rem;
  font-weight: 850;
  text-decoration: none;
}

.footer-heading {
  font-size: 1rem;
  font-weight: 850;
}

.footer-links li + li {
  margin-top: .55rem;
}

.footer-links a,
.site-footer a {
  color: var(--vs-muted);
}

.footer-links a:hover,
.site-footer a:hover {
  color: var(--vs-green-dark);
}

.footer-bottom {
  border-top: 1px solid var(--vs-border);
  color: var(--vs-muted);
  font-size: .95rem;
}

.nodework-footer {
  max-height: none !important;
  margin-bottom: 0 !important;
}

#nodework_logo {
  height: 1.25em !important;
}

@media (max-width: 767.98px) {
  .hero h1 {
    font-size: 2.45rem;
  }

  .section {
    padding: 3rem 0;
  }

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

  .formula-list div,
  .requirements-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }

  .btn:hover,
  .content-card:hover,
  .metric-card:hover,
  .hero-media:hover {
    transform: none;
  }
}

@keyframes vs-grid-shift {
  from {
    background-position: 0 0, 0 0;
  }

  to {
    background-position: 4rem 2rem, 2rem 4rem;
  }
}

@keyframes vs-energy-sweep {
  0%,
  100% {
    transform: translateX(-28%);
    opacity: .18;
  }

  45% {
    transform: translateX(24%);
    opacity: .55;
  }
}

@keyframes vs-soft-float {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-6px);
  }
}