:root {
  --font-heading: arno-pro, serif;
  --font-body: tenon, sans-serif;

  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-surface-soft: #f1f5f9;
  --color-text: #0f172a;
  --color-text-muted: #475569;
  --color-border: #e2e8f0;
  --color-border-strong: #cbd5e1;

  --color-navy: #1e3a5f;
  --color-navy-dark: #152a45;
  --color-accent: #d97706;
  --color-accent-2: #b45309;
  --color-highlight: #f59e0b;
  --color-accent-soft: rgba(217, 119, 6, 0.12);

  --radius-sm: 0.5rem;
  --radius-md: 0.8rem;
  --radius-lg: 1.15rem;

  --space-xs: 0.4rem;
  --space-sm: 0.7rem;
  --space-md: 1rem;
  --space-lg: 1.4rem;
  --space-xl: 2.1rem;
  --space-2xl: 3rem;

  --shadow-soft: 0 14px 35px rgba(15, 23, 42, 0.08);
  --transition: 170ms ease;
}

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

html,
body { margin: 0; padding: 0; }

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}

a { color: var(--color-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

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

.container {
  width: min(1100px, 92vw);
  margin: 0 auto;
}

.main-content { min-height: 70vh; }

/* --- Top SEO Research: navy hero --- */
.tsr-hero {
  background: var(--color-navy);
  color: #fff;
  padding: var(--space-2xl) 0;
  text-align: center;
}
.tsr-hero .container { max-width: 52ch; margin-left: auto; margin-right: auto; }
.tsr-hero .kicker { color: rgba(255, 255, 255, 0.9); }
.tsr-hero .page-title,
.tsr-hero .lead { color: #fff; }
.tsr-hero .lead { opacity: 0.95; }
.tsr-hero .hero-actions { justify-content: center; margin-top: var(--space-lg); }

.section { padding: var(--space-2xl) 0; }
.section-alt { background: var(--color-surface-soft); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }

.kicker {
  margin: 0 0 var(--space-sm);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.page-title {
  margin: 0 0 var(--space-md);
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4.2vw, 2.95rem);
  line-height: 1.18;
}

.lead {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 1.03rem;
  max-width: 64ch;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.72rem 1.1rem;
  font-family: tenon, sans-serif;
  font-weight: 700;
  background: var(--color-accent);
  color: #fff;
  transition: transform var(--transition), background var(--transition);
}

.btn:hover {
  text-decoration: none;
  background: var(--color-accent-2);
  transform: translateY(-1px);
}

.btn-secondary {
  background: #fff;
  color: var(--color-text);
  border-color: var(--color-border-strong);
}

.btn-secondary:hover { background: #f8fbff; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(8px);
  background: var(--color-navy);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.site-nav {
  width: min(1100px, 92vw);
  margin: 0 auto;
  min-height: 4rem;
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: tenon, sans-serif;
  color: #fff;
  font-weight: 800;
  line-height: 1.2;
}

.nav-logo:hover { text-decoration: none; }

.logo-mark-svg { width: 2rem; height: 2rem; }
.logo-shape { fill: #fff; }
.logo-accent { fill: #fbbf24; }
.logo-dot { fill: #d97706; }

.logo-text {
  display: inline-flex;
  flex-direction: column;
  font-size: 1.1rem;
  font-family: tenon, sans-serif;
  text-transform: uppercase;
}
.logo-text small { font-size: 0.7rem; font-weight: 700; color: rgba(255, 255, 255, 0.85); letter-spacing: 0.02em; }

.nav-toggle {
  margin-left: auto;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: var(--radius-sm);
  width: 2.35rem;
  height: 2.35rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: #fff;
}

.nav-links {
  list-style: none;
  margin: 0 0 0 auto;
  padding: 0;
  display: none;
  gap: var(--space-lg);
}

.nav-links a {
  font-family: tenon, sans-serif;
  font-weight: 700;
  color: #fff;
}

.nav-links a.current { color: #fbbf24; }

.site-nav.nav-open .nav-links {
  display: grid;
  position: absolute;
  left: 4vw;
  right: 4vw;
  top: 3.7rem;
  background: var(--color-navy-dark);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  box-shadow: var(--shadow-soft);
}

.home-hero {
  display: grid;
  gap: var(--space-xl);
  align-items: center;
}

.home-copy-card,
.hero-stat,
.panel-card,
.service-card,
.about-card,
.legal-shell,
.contact-form-shell {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.home-copy-card {
  padding: var(--space-xl);
  box-shadow: var(--shadow-soft);
}

.hero-points {
  list-style: none;
  margin: var(--space-lg) 0;
  padding: 0;
  display: grid;
  gap: var(--space-sm);
}

.hero-points li {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: 0.55rem;
}

.hero-points li::before {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  margin-top: 0.45rem;
  border-radius: 999px;
  background: var(--color-highlight);
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 0.65rem; }

.hero-visual {
  min-height: 20rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.hero-visual img { width: 100%; height: 100%; object-fit: cover; }

.home-stats {
  margin-top: var(--space-xl);
  display: grid;
  gap: var(--space-lg);
}

.hero-stat { padding: var(--space-lg); }
.hero-stat strong { display: block; font-size: 1.7rem; font-family: var(--font-heading); }

.home-stats .hero-stat {
  background: transparent;
  border: 5px solid rgba(217, 119, 6, 0.9);
  border-radius: 0;
  box-shadow: none;
}

.tsr-insight-split {
  background: var(--color-navy);
}

.tsr-insight-wrap {
  display: grid;
  gap: var(--space-xl);
  align-items: center;
}

.tsr-insight-copy .kicker,
.tsr-insight-copy .page-title,
.tsr-insight-copy .lead {
  color: #fff;
}

.tsr-insight-copy .lead {
  max-width: 56ch;
  opacity: 0.95;
}

.tsr-chart-card {
  background: var(--color-navy);
  padding: 0.85rem;
}

.tsr-chart-inner {
  background: linear-gradient(180deg, #fff7ed 0%, #fde68a 100%);
  border: 5px solid rgba(217, 119, 6, 0.4);
  box-shadow: inset 0 0 0 1px rgba(30, 58, 95, 0.08);
  padding: 1.25rem 1.25rem 1rem;
}

.tsr-chart-inner h3 {
  margin: 0 0 1.25rem;
  color: var(--color-navy-dark);
  font-family: tenon, sans-serif;
  font-size: clamp(1.25rem, 2.2vw, 1.85rem);
  font-weight: 700;
  line-height: 1.1;
  text-align: center;
}

.tsr-chart-plot {
  position: relative;
  padding-top: 1.25rem;
  padding-right: 3.25rem;
  padding-bottom: 3.5rem;
  min-height: 23rem;
}

.tsr-chart-line {
  position: absolute;
  left: 0;
  right: 3.25rem;
  border-top: 3px solid rgba(30, 58, 95, 0.22);
}

.tsr-chart-line span {
  position: absolute;
  right: -3rem;
  top: -0.8rem;
  color: var(--color-navy-dark);
  font-family: tenon, sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
}

.tsr-chart-line-top { top: 1.5rem; }
.tsr-chart-line-mid { top: 50%; }
.tsr-chart-line-base { bottom: 3.2rem; }

.tsr-chart-bars {
  position: absolute;
  inset: 1.5rem 3.25rem 3.2rem 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem;
  align-items: end;
}

.tsr-chart-bar {
  position: relative;
  display: flex;
  align-items: end;
  justify-content: center;
  height: 100%;
}

.tsr-bar-fill {
  width: min(100%, 7.5rem);
  background: rgba(217, 119, 6, 0.7);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.18);
}

.tsr-chart-bar-dull .tsr-bar-fill {
  height: 12%;
  background: rgba(30, 58, 95, 0.45);
}

.tsr-chart-bar-interesting .tsr-bar-fill {
  height: 86%;
  background: rgba(217, 119, 6, 0.82);
}

.tsr-chart-bar strong {
  position: absolute;
  bottom: -3rem;
  width: 100%;
  color: var(--color-navy-dark);
  font-family: tenon, sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1.1;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.tsr-cta-band {
  background: linear-gradient(180deg, var(--color-accent) 0%, var(--color-accent-2) 100%);
  text-align: center;
}

.tsr-cta-band .container {
  max-width: 56rem;
}

.tsr-cta-band .kicker,
.tsr-cta-band .page-title,
.tsr-cta-band .lead {
  color: #fff;
}

.tsr-cta-band .lead {
  opacity: 0.96;
  max-width: 52ch;
  margin-left: auto;
  margin-right: auto;
}

.tsr-cta-band-actions {
  margin: var(--space-xl) 0 0;
}

.tsr-cta-band .btn {
  background: var(--color-navy);
  border: 2px solid #fff;
}

.tsr-cta-band .btn:hover {
  background: var(--color-navy-dark);
}

.stack-grid,
.service-grid,
.about-grid,
.contact-grid {
  display: grid;
  gap: var(--space-lg);
}

.panel-card,
.service-card,
.about-card { padding: var(--space-lg); }

.service-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: var(--space-sm);
}

.service-badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.2rem 0.62rem;
  background: var(--color-accent-soft);
  color: var(--color-accent-2);
  font-size: 0.75rem;
  font-weight: 700;
}

.service-list {
  margin: var(--space-sm) 0 0;
  padding-left: 1.05rem;
  color: var(--color-text-muted);
}

.tsr-services-block {
  background: var(--color-navy);
}

.tsr-services-block .kicker,
.tsr-services-block .page-title,
.tsr-services-block .lead {
  color: #fff;
}

.tsr-services-block .lead {
  opacity: 0.95;
  max-width: none;
}

.tsr-services-block .service-grid {
  margin-top: var(--space-xl);
}

.tsr-services-block .service-card {
  background: transparent;
  border: 5px solid rgba(255, 255, 255, 0.9);
  border-radius: 0;
  min-height: 11rem;
  padding: var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.tsr-services-block .service-card h2 {
  margin: 0;
  color: #fff;
  font-family: tenon, sans-serif;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1.35;
}

.tsr-services-block .service-card p,
.tsr-services-block .service-card .service-list,
.tsr-services-block .service-meta {
  display: none;
}

.tsr-about-block {
  background: linear-gradient(180deg, var(--color-accent) 0%, var(--color-accent-2) 100%);
}

.tsr-about-block .kicker,
.tsr-about-block .page-title,
.tsr-about-block .lead {
  color: #fff;
}

.tsr-about-block .lead {
  opacity: 0.95;
  max-width: none;
}

.tsr-about-block .about-grid {
  margin-top: var(--space-xl);
}

.tsr-about-block .about-card {
  background: transparent;
  border: 5px solid rgba(255, 255, 255, 0.9);
  border-radius: 0;
  min-height: 11rem;
  padding: var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.tsr-about-block .about-card h2 {
  margin: 0;
  color: #fff;
  font-family: tenon, sans-serif;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1.35;
}

.tsr-about-block .about-card p {
  display: none;
}

.tsr-contact-block {
  background: var(--color-navy);
}

.tsr-contact-block .contact-shell {
  max-width: 58ch;
  text-align: center;
  margin-bottom: var(--space-xl);
}

.tsr-contact-block .kicker,
.tsr-contact-block .page-title,
.tsr-contact-block .lead {
  color: #fff;
}

.tsr-contact-block .lead {
  opacity: 0.95;
}

.tsr-contact-block .contact-form-shell {
  max-width: 52rem;
  margin: 0 auto;
  padding: var(--space-xl);
  background: rgba(255, 255, 255, 0.08);
  border: 5px solid rgba(255, 255, 255, 0.9);
  border-radius: 0;
  backdrop-filter: blur(4px);
}

.tsr-contact-block .form-group label {
  color: #fff;
}

.tsr-contact-block .form-group input,
.tsr-contact-block .form-group textarea {
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 0;
  background: rgba(255, 255, 255, 0.95);
}

.tsr-contact-block .btn {
  background: var(--color-accent);
}

.tsr-contact-block .btn:hover {
  background: var(--color-accent-2);
}

.contact-shell {
  max-width: 52rem;
  margin: 0 auto;
  text-align: center;
}

.contact-form-shell {
  margin-top: var(--space-xl);
  padding: var(--space-xl);
  text-align: left;
}

.form-grid { display: grid; gap: var(--space-md); }

.form-group label {
  display: block;
  margin-bottom: 0.3rem;
  font-size: 0.88rem;
  font-weight: 600;
}

.form-group input,
.form-group textarea {
  width: 100%;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  padding: 0.72rem;
  font: inherit;
  background: #fff;
}

.form-group textarea { min-height: 9rem; resize: vertical; }

.form-actions { margin-top: var(--space-md); }

.form-status {
  display: none;
  margin-top: var(--space-md);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.8rem;
  font-size: 0.93rem;
}

.form-status.visible { display: block; }
.form-status.success { background: #ecfeff; border: 1px solid #a5f3fc; color: #0f766e; }
.form-status.error { background: #fef2f2; border: 1px solid #fecaca; color: #b91c1c; }

.legal-shell {
  max-width: 60rem;
  margin: 0 auto;
  padding: var(--space-xl);
}

.legal-shell h2 { margin-top: var(--space-xl); font-size: 1.22rem; }

.site-footer {
  border-top: 1px solid var(--color-border);
  background: #fff;
}

.footer-inner {
  width: min(1100px, 92vw);
  margin: 0 auto;
  padding: var(--space-xl) 0;
  text-align: center;
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-md) var(--space-lg);
}

.footer-copy {
  margin: var(--space-md) 0 0;
  color: #64748b;
  font-size: 0.92rem;
}

@media (min-width: 48em) {
  .nav-toggle { display: none; }
  .nav-links { display: flex; }
  .home-hero { grid-template-columns: 1.05fr 0.95fr; }
  .home-stats { grid-template-columns: repeat(3, 1fr); }
  .tsr-insight-wrap { grid-template-columns: 0.95fr 1.05fr; }
  .stack-grid { grid-template-columns: repeat(3, 1fr); }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 0.95fr 1.05fr; align-items: start; }
  .form-grid { grid-template-columns: repeat(2, 1fr); }
  .form-grid .full { grid-column: 1 / -1; }
}