:root {
  --paper: #f7f2eb;
  --paper-deep: #efe5d8;
  --ink: #121a24;
  --ink-soft: #253243;
  --muted: #5d6977;
  --accent: #b14d2f;
  --accent-strong: #8c3115;
  --accent-soft: #eecbb8;
  --sea: #16425b;
  --sea-soft: #d4e3eb;
  --line: rgba(18, 26, 36, 0.12);
  --card: rgba(255, 255, 255, 0.78);
  --shadow: 0 20px 60px rgba(26, 29, 35, 0.12);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --content-width: 1160px;
  --body-font: "Avenir Next", "Segoe UI", "Helvetica Neue", sans-serif;
  --heading-font: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(177, 77, 47, 0.16), transparent 32%),
    radial-gradient(circle at top right, rgba(22, 66, 91, 0.18), transparent 28%),
    linear-gradient(180deg, #f9f5ee 0%, #f4ede3 100%);
  font-family: var(--body-font);
  line-height: 1.6;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.32;
  background-image:
    linear-gradient(rgba(18, 26, 36, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18, 26, 36, 0.03) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: radial-gradient(circle at center, black 38%, transparent 82%);
}

a {
  color: var(--sea);
  text-decoration: none;
}

a:hover {
  color: var(--accent-strong);
}

img {
  max-width: 100%;
}

.shell {
  position: relative;
  z-index: 1;
}

.container {
  width: min(calc(100% - 2.5rem), var(--content-width));
  margin: 0 auto;
}

.topbar {
  padding: 1.1rem 0 0;
}

.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.8rem 1rem;
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(12px);
  box-shadow: 0 12px 30px rgba(18, 26, 36, 0.05);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  font-weight: 700;
  color: var(--ink);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--ink) 0%, var(--sea) 100%);
  color: #fff;
  font-family: var(--heading-font);
  font-size: 1.05rem;
}

.nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.nav a {
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  color: var(--ink-soft);
  font-weight: 600;
  font-size: 0.98rem;
}

.nav a.active,
.nav a:hover {
  background: rgba(18, 26, 36, 0.08);
  color: var(--ink);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 2.95rem;
  padding: 0.8rem 1.2rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  letter-spacing: 0.01em;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
}

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

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  box-shadow: 0 14px 28px rgba(177, 77, 47, 0.25);
}

.btn-secondary {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.72);
  border-color: var(--line);
}

.hero {
  padding: 4.5rem 0 2rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 1.8rem;
  align-items: stretch;
}

.hero-copy,
.hero-panel,
.panel,
.card,
.article-card,
.faq-card,
.form-card {
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.65);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.hero-copy,
.hero-panel {
  border-radius: 34px;
  padding: 2rem;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  background: rgba(22, 66, 91, 0.1);
  color: var(--sea);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-family: var(--heading-font);
  letter-spacing: -0.02em;
  line-height: 1.05;
  color: var(--ink);
}

h1 {
  margin-top: 1rem;
  font-size: clamp(2.6rem, 5vw, 5rem);
}

h2 {
  font-size: clamp(2rem, 3vw, 3rem);
}

h3 {
  font-size: clamp(1.3rem, 2vw, 1.75rem);
}

p {
  margin: 0;
  color: var(--ink-soft);
}

.hero-copy p {
  margin-top: 1rem;
  max-width: 56ch;
  font-size: 1.08rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.5rem;
}

.trust-note,
.support-line,
.microcopy {
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.hero-panel {
  position: relative;
  overflow: hidden;
}

.hero-panel::before {
  content: "";
  position: absolute;
  inset: auto -20% -45% auto;
  width: 16rem;
  height: 16rem;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(177, 77, 47, 0.32) 0%, rgba(177, 77, 47, 0) 70%);
}

.stat-strip,
.pill-grid,
.feature-grid,
.card-grid,
.article-grid,
.tier-grid,
.step-grid,
.faq-grid {
  display: grid;
  gap: 1rem;
}

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

.stat,
.pill,
.card,
.article-card,
.faq-card,
.price-card {
  border-radius: var(--radius-md);
  padding: 1.1rem;
}

.stat {
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid var(--line);
}

.stat strong {
  display: block;
  margin-bottom: 0.25rem;
  font-family: var(--heading-font);
  font-size: 1.7rem;
}

.section {
  padding: 1.25rem 0 4.25rem;
}

.section-header {
  max-width: 46rem;
  margin-bottom: 1.5rem;
}

.section-header p {
  margin-top: 0.8rem;
  font-size: 1.04rem;
}

.panel {
  border-radius: 28px;
  padding: 1.75rem;
}

.panel-tint {
  background:
    radial-gradient(circle at top right, rgba(177, 77, 47, 0.15), transparent 28%),
    rgba(255, 255, 255, 0.75);
}

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

.pill {
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid var(--line);
}

.pill strong {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--ink);
}

.feature-grid,
.card-grid,
.article-grid,
.faq-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

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

.card,
.article-card,
.faq-card,
.price-card,
.form-card {
  border: 1px solid var(--line);
}

.card h3,
.article-card h3,
.faq-card h3,
.price-card h3 {
  margin-bottom: 0.55rem;
}

.article-card .meta {
  margin-bottom: 0.85rem;
}

.meta,
.article-meta,
.small-label {
  color: var(--muted);
  font-size: 0.92rem;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.9rem;
}

.check-list,
.plain-list,
.article-body ul,
.article-body ol {
  margin: 1rem 0 0;
  padding-left: 1.1rem;
}

.check-list li,
.plain-list li,
.article-body li {
  margin-bottom: 0.55rem;
  color: var(--ink-soft);
}

.step {
  position: relative;
  padding: 1.1rem 1.1rem 1.1rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.62);
}

.step::before {
  content: attr(data-step);
  position: absolute;
  top: -0.8rem;
  left: 1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  background: var(--sea);
  color: #fff;
  font-weight: 700;
}

.form-card {
  border-radius: 28px;
  padding: 1.4rem;
}

.form-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(220px, 0.8fr) auto;
  gap: 0.85rem;
  margin-top: 1rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

label {
  color: var(--ink);
  font-weight: 700;
  font-size: 0.94rem;
}

input,
textarea,
select {
  width: 100%;
  min-height: 3rem;
  padding: 0.85rem 0.95rem;
  border: 1px solid rgba(18, 26, 36, 0.16);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.88);
  color: var(--ink);
  font: inherit;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: rgba(22, 66, 91, 0.6);
  box-shadow: 0 0 0 4px rgba(22, 66, 91, 0.12);
}

.form-actions {
  display: flex;
  align-items: end;
}

.flash {
  margin-top: 1rem;
  padding: 0.9rem 1rem;
  border-radius: 16px;
  font-weight: 600;
}

.flash-error {
  color: #6b1e12;
  background: #f9d9d3;
  border: 1px solid #efb6aa;
}

.flash-success {
  color: #0f3b49;
  background: #d8eff3;
  border: 1px solid #b5d8df;
}

.article-shell {
  padding: 3.5rem 0 4.5rem;
}

.article-header {
  max-width: 52rem;
}

.article-header p {
  margin-top: 1rem;
  font-size: 1.1rem;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.article-body {
  max-width: 46rem;
  margin-top: 2rem;
  padding: 2rem;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

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

.article-body p + p {
  margin-top: 1rem;
}

.article-body h2 + p,
.article-body h3 + p {
  margin-top: 0.8rem;
}

.note-band {
  padding: 1rem 1.1rem;
  border-radius: 18px;
  background: rgba(22, 66, 91, 0.09);
  border: 1px solid rgba(22, 66, 91, 0.12);
}

.pricing-callout {
  margin-top: 1.5rem;
}

.price-card {
  background: rgba(255, 255, 255, 0.7);
}

.price {
  margin-top: 0.4rem;
  margin-bottom: 0.65rem;
  font-family: var(--heading-font);
  font-size: 2rem;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.lab-grid {
  display: grid;
  grid-template-columns: minmax(300px, 360px) minmax(0, 1fr);
  gap: 1.25rem;
  align-items: start;
}

.lab-controls {
  position: sticky;
  top: 1rem;
  display: grid;
  gap: 1rem;
}

.lab-workspace {
  min-width: 0;
}

.lab-control {
  display: grid;
  gap: 0.5rem;
}

.lab-control-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--ink);
  font-weight: 700;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.toggle-stack {
  display: grid;
  gap: 0.6rem;
}

.checkbox-row {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--ink);
  font-weight: 600;
}

.lab-preview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.25rem;
}

.lab-preview-card {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.6);
}

.lab-preview-card h3 {
  margin-bottom: 0.4rem;
}

#lab-source-canvas,
.lab-svg-stage {
  width: 100%;
  aspect-ratio: 1;
  margin-top: 0.85rem;
  border-radius: 20px;
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at top left, rgba(177, 77, 47, 0.08), transparent 30%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(247, 242, 235, 0.95));
}

#lab-source-canvas {
  display: block;
  height: auto;
}

.lab-svg-stage {
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 0.75rem;
}

.lab-svg-stage svg {
  width: 100%;
  height: 100%;
}

.stat-card {
  padding: 1.1rem 1.2rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  box-shadow: 0 12px 24px rgba(18, 26, 36, 0.06);
}

.stat-card strong {
  display: block;
  margin-top: 0.35rem;
  font-family: var(--heading-font);
  font-size: 2rem;
  line-height: 1;
}

.table-wrap {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th,
.data-table td {
  padding: 0.85rem 0.75rem;
  text-align: left;
  border-top: 1px solid var(--line);
  vertical-align: top;
}

.data-table thead th {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.data-table tbody tr:hover {
  background: rgba(22, 66, 91, 0.05);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.6rem;
  border-radius: 999px;
  background: rgba(22, 66, 91, 0.1);
  color: var(--sea);
  font-size: 0.84rem;
  font-weight: 700;
}

.empty-state {
  padding: 1.25rem 0 0;
}

.footer {
  padding: 2rem 0 3rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1.5rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
}

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

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 0.9rem;
  color: var(--sea);
  font-weight: 700;
  font-size: 0.9rem;
}

.hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

@keyframes riseIn {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-copy,
.hero-panel,
.panel,
.article-body,
.form-card {
  animation: riseIn 0.6s ease both;
}

@media (max-width: 1080px) {
  .lab-grid,
  .hero-grid,
  .tier-grid,
  .step-grid,
  .form-grid,
  .summary-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 880px) {
  .feature-grid,
  .card-grid,
  .article-grid,
  .faq-grid,
  .pill-grid,
  .stat-strip,
  .lab-preview-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner,
  .topbar-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav {
    gap: 0.35rem;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(calc(100% - 1.3rem), var(--content-width));
  }

  .hero,
  .section,
  .article-shell {
    padding-top: 2.4rem;
    padding-bottom: 2.8rem;
  }

  .hero-copy,
  .hero-panel,
  .panel,
  .article-body,
  .form-card {
    padding: 1.25rem;
    border-radius: 22px;
  }

  h1 {
    font-size: clamp(2.2rem, 11vw, 3.4rem);
  }
}