:root {
  --bg: #ffffff;
  --bg-muted: #fafafa;
  --text: #111827;
  --muted: #4b5563;
  --border: rgba(17, 24, 39, 0.12);
  --shadow: 0 10px 30px rgba(17, 24, 39, 0.08);
  --shadow-soft: 0 8px 18px rgba(17, 24, 39, 0.06);
  --brand: #a3121a;
  --brand-dark: #7c0f14;
  --brand-ink: rgba(163, 18, 26, 0.14);
  --radius: 14px;
  --radius-sm: 10px;
  --max: 1100px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji",
    "Segoe UI Emoji";
  line-height: 1.55;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

img {
  max-width: 100%;
  height: auto;
}

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

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0.75rem;
  padding: 0.6rem 0.9rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  box-shadow: var(--shadow-soft);
  z-index: 999;
}

.skip-link:focus {
  left: 0.75rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  min-width: max-content;
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: radial-gradient(120% 120% at 20% 20%, rgba(255, 255, 255, 0.16), transparent 45%),
    linear-gradient(135deg, var(--brand), var(--brand-dark));
  box-shadow: 0 10px 30px rgba(163, 18, 26, 0.22);
}

.brand-name {
  font-family: ui-serif, "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  font-weight: 650;
  letter-spacing: 0.2px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.nav-link {
  color: var(--muted);
  font-weight: 520;
  padding: 0.35rem 0.35rem;
  border-radius: 10px;
}

.nav-link[aria-current="page"] {
  color: var(--text);
  background: var(--brand-ink);
}

.nav-cta {
  margin-left: 0.25rem;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.55rem;
  padding: 0.55rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg);
  box-shadow: var(--shadow-soft);
  cursor: pointer;
}

.nav-toggle-label {
  color: var(--muted);
  font-weight: 600;
}

.mobile-nav {
  padding: 0.6rem 0 1rem;
  display: grid;
  gap: 0.55rem;
}

.mobile-nav[hidden] {
  display: none;
}

.mobile-nav .nav-link {
  padding: 0.65rem 0.7rem;
  border: 1px solid var(--border);
  background: var(--bg);
  box-shadow: var(--shadow-soft);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  border-radius: 999px;
  padding: 0.7rem 1rem;
  font-weight: 650;
  border: 1px solid transparent;
  box-shadow: none;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease, border-color 160ms ease;
}

.button:hover {
  text-decoration: none;
}

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

.button-solid {
  background: var(--brand);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 14px 28px rgba(163, 18, 26, 0.18);
}

.button-solid:hover {
  background: var(--brand-dark);
  box-shadow: 0 18px 32px rgba(163, 18, 26, 0.22);
}

.button-ghost {
  border-color: var(--border);
  background: var(--bg);
  color: var(--text);
}

.button-ghost:hover {
  border-color: rgba(163, 18, 26, 0.35);
  box-shadow: var(--shadow-soft);
}

.hero {
  background: radial-gradient(900px 500px at 15% 10%, rgba(163, 18, 26, 0.16), transparent 55%),
    radial-gradient(900px 500px at 85% 20%, rgba(163, 18, 26, 0.1), transparent 60%),
    linear-gradient(180deg, var(--bg), var(--bg-muted));
  border-bottom: 1px solid var(--border);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 2rem;
  padding: 4.6rem 0;
  align-items: center;
  min-height: clamp(520px, 78vh, 860px);
}

.hero-copy {
  max-width: 60ch;
}

.eyebrow {
  color: var(--brand);
  font-weight: 750;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin: 0 0 0.6rem;
  font-size: 0.78rem;
}

h1,
h2,
h3 {
  font-family: ui-serif, "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  line-height: 1.14;
  margin: 0 0 0.9rem;
}

h1 {
  font-size: clamp(2.6rem, 3vw + 1.1rem, 3.8rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.5rem, 1vw + 1.1rem, 2rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.15rem;
}

.lead {
  color: var(--muted);
  font-size: 1.05rem;
  margin: 0 0 1.25rem;
}

.microcopy {
  color: var(--muted);
  font-size: 0.92rem;
  margin: 1rem 0 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.hero-panel {
  display: grid;
  gap: 0.8rem;
}

.hero-3d {
  position: relative;
  border-radius: calc(var(--radius) + 8px);
  border: 1px solid rgba(163, 18, 26, 0.18);
  background: radial-gradient(900px 500px at 15% 10%, rgba(163, 18, 26, 0.16), transparent 55%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.78), rgba(255, 255, 255, 0.62));
  box-shadow: var(--shadow);
  overflow: clip;
  min-height: 420px;
}

.hero-canvas {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 420px;
}

.hero-3d-overlay {
  position: absolute;
  inset: auto 0 0 0;
  padding: 1rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.85));
}

.hero-3d-overlay .panel-card {
  background: rgba(255, 255, 255, 0.82);
}

.panel-card {
  border-radius: var(--radius);
  border: 1px solid rgba(163, 18, 26, 0.18);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow-soft);
  padding: 1.05rem 1.05rem;
}

.panel-title {
  font-weight: 800;
  letter-spacing: 0.02em;
  margin-bottom: 0.25rem;
}

.panel-body {
  color: var(--muted);
}

.section {
  padding: 3rem 0;
}

.section-tight {
  padding: 1.4rem 0;
}

.section-muted {
  background: var(--bg-muted);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.1rem;
}

.section-head-tight {
  margin-top: 2.2rem;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.badge {
  border: 1px solid rgba(163, 18, 26, 0.22);
  background: rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow-soft);
  padding: 0.5rem 0.75rem;
  border-radius: 999px;
  color: var(--muted);
  font-weight: 650;
  font-size: 0.92rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.1rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.1rem;
}

.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  padding:  1.2rem 1.2rem;
  box-shadow: var(--shadow-soft);
}

.card-quiet {
  background: rgba(255, 255, 255, 0.66);
}

.muted {
  color: var(--muted);
}

.callout {
  margin-top: 1.5rem;
  border-radius: var(--radius);
  border: 1px solid rgba(163, 18, 26, 0.18);
  background: linear-gradient(135deg, rgba(163, 18, 26, 0.1), rgba(255, 255, 255, 0.75));
  box-shadow: var(--shadow-soft);
  padding: 1.2rem;
}

.callout-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.callout-title {
  margin: 0 0 0.25rem;
}

.callout-text {
  margin: 0;
  color: var(--muted);
}

.page-hero {
  padding: 2.6rem 0 1.2rem;
  background: radial-gradient(900px 500px at 10% 10%, rgba(163, 18, 26, 0.14), transparent 55%),
    linear-gradient(180deg, var(--bg), var(--bg-muted));
  border-bottom:  1px solid var(--border);
}

.split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.4rem;
  align-items: start;
  margin-bottom: 1.2rem;
}

.checklist {
  margin: 1rem 0 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

.checklist li {
  margin: 0.35rem 0;
}

.split-media {
  display: grid;
  align-items: start;
}

.abstract-card {
  border-radius: var(--radius);
  border: 1px solid rgba(163, 18, 26, 0.2);
  background: radial-gradient(700px 400px at 20% 20%, rgba(163, 18, 26, 0.12), transparent 60%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(255, 255, 255, 0.7));
  box-shadow: var(--shadow);
  padding: 1.3rem;
}

.abstract-title {
  font-weight: 850;
  font-size: 1.05rem;
  margin-bottom: 0.35rem;
}

.abstract-body {
  color: var(--muted);
}

.abstract-rule {
  height: 1px;
  background: rgba(163, 18, 26, 0.2);
  margin: 1rem 0;
}

.abstract-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.metric-k {
  color: var(--muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.metric-v {
  font-weight: 800;
  margin-top: 0.15rem;
}

.steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.step {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  box-shadow: var(--shadow-soft);
  padding: 1.15rem;
}

.step-top {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 999px;
  background: rgba(163, 18, 26, 0.12);
  color: var(--brand);
  font-weight: 850;
  font-variant-numeric: tabular-nums;
}

.step p {
  color: var(--muted);
  margin: 0.6rem 0 0;
}

.faq {
  margin-top: 1.1rem;
  display: grid;
  gap: 0.7rem;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.75);
  box-shadow: var(--shadow-soft);
  overflow: clip;
}

.faq-item summary {
  cursor: pointer;
  padding: 0.95rem 1.05rem;
  font-weight: 750;
  color: var(--text);
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  float: right;
  color: var(--brand);
  font-weight: 900;
}

.faq-item[open] summary::after {
  content: "–";
}

.faq-body {
  border-top: 1px solid var(--border);
  padding: 0.9rem 1.05rem 1.05rem;
}

.faq-body p {
  margin: 0;
  color: var(--muted);
  max-width: 76ch;
}

.prose p,
.prose li {
  color: var(--muted);
  max-width: 68ch;
}

.prose ul {
  padding-left: 1.25rem;
}

.email-link {
  color: var(--brand);
  font-weight: 750;
}

.mini-list {
  margin-top: 0.9rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem;
}

.mini-item {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.45rem 0.7rem;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.8);
  font-size: 0.92rem;
}

.contact-form {
  display: grid;
  gap: 0.75rem;
  margin-top: 0.8rem;
}

label {
  display: grid;
  gap: 0.35rem;
  font-weight: 650;
}

input,
textarea {
  width: 100%;
  padding: 0.7rem 0.8rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.9);
  color: var(--text);
  font: inherit;
  box-shadow: none;
}

input:focus,
textarea:focus,
.button:focus,
.nav-link:focus,
.nav-toggle:focus {
  outline: 3px solid rgba(163, 18, 26, 0.25);
  outline-offset: 2px;
}

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg);
  padding: 1.8rem 0;
}

.footer-inner {
  display: grid;
  gap: 0.7rem;
  align-items: center;
}

.footer-note {
  margin: 0;
  color: var(--muted);
  max-width: 75ch;
}

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

.footer-links a {
  color: var(--brand);
  font-weight: 650;
}

.footer-copy {
  margin: 0;
  color: var(--muted);
}

@media (max-width: 880px) {
  .site-nav {
    display: none;
  }

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

  .hero-inner {
    grid-template-columns: 1fr;
    padding: 2.8rem 0;
    min-height: auto;
  }

  .hero-3d {
    min-height: 380px;
  }

  .hero-canvas {
    min-height: 380px;
  }

  .hero-3d-overlay {
    grid-template-columns: 1fr;
  }

  .grid-3 {
    grid-template-columns: 1fr;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }

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

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

  .callout-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    scroll-behavior: auto !important;
  }
}