:root {
  --ink: #14171C;
  --accent: #0E5C4A;
  --muted: #76808C;
  --hairline: #D6DBE0;
  --paper: #FBFBFA;
  --paper-dk: #0F1216;
  --bs-body-bg: var(--paper);
  --bs-body-color: var(--ink);
  --bs-border-color: var(--hairline);
  --font-serif: "Source Serif 4", "Source Serif Pro", Georgia, serif;
  --font-sans: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}
[data-bs-theme="dark"] {
  --ink: #E8EAED;
  --muted: #9AA4AF;
  --hairline: #232A33;
  --paper: #0F1216;
  --bs-body-bg: #0F1216;
  --bs-body-color: #E8EAED;
  --bs-border-color: #232A33;
  --bs-secondary-color: #9AA4AF;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  font-family: var(--font-sans);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, .serif {
  font-family: var(--font-serif);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.15;
}
.measure { max-width: 68ch; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { color: var(--ink); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 2px; }
.navbar {
  --bs-navbar-padding-y: 1.25rem;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--hairline);
  transition: padding 0.22s ease, background 0.22s ease, border-color 0.22s ease;
}
.navbar.navbar-scrolled { --bs-navbar-padding-y: 0.55rem; background: color-mix(in srgb, var(--paper) 96%, transparent); }
.navbar-brand { color: var(--accent); }
.navbar-brand:hover { color: var(--accent); }
.nav-link { font-size: 0.92rem; letter-spacing: 0.02em; color: var(--ink); position: relative; padding-bottom: 0.25rem; }
.nav-link:hover, .nav-link:focus { color: var(--accent); }
.nav-link.active { color: var(--accent); }
.btn-accent {
  background: var(--accent); color: #FBFBFA; border: 1px solid var(--accent);
  border-radius: 2px; padding: 0.6rem 1.15rem; font-size: 0.92rem; letter-spacing: 0.01em; transition: all 0.18s ease;
}
.btn-accent:hover { background: transparent; color: var(--accent); }
[data-bs-theme="dark"] .btn-accent { color: #FBFBFA; }
.btn-ghost {
  background: transparent; color: var(--ink); border: 1px solid var(--hairline);
  border-radius: 2px; padding: 0.6rem 1.15rem; font-size: 0.92rem; transition: all 0.18s ease;
}
.btn-ghost:hover { border-color: var(--ink); color: var(--ink); }
.theme-toggle {
  width: 36px; height: 36px; border: 1px solid var(--hairline); border-radius: 50%;
  background: transparent; color: var(--muted); display: grid; place-items: center; transition: all 0.18s;
}
.theme-toggle:hover { color: var(--ink); border-color: var(--ink); }
.section-kicker {
  display: flex; align-items: center; gap: 0.9rem; margin-bottom: 1.25rem; padding-top: 1.5rem; border-top: 1px solid var(--accent);
}
.section-num { font-family: var(--font-sans); font-size: 0.85rem; font-weight: 600; color: var(--accent); letter-spacing: 0.06em; }
.section-title {
  font-family: var(--font-sans); font-size: 0.82rem; font-weight: 600; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--ink); margin: 0;
}
.hero { padding: 8rem 0 5rem; }
.hero h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); line-height: 1.08; max-width: 18ch; margin-bottom: 1.25rem; }
.hero .lead { font-size: 1.15rem; color: var(--muted); max-width: 46ch; line-height: 1.55; }
.hero-img { border: 1px solid var(--hairline); background: var(--paper); }
.reveal { opacity: 0; transform: translateY(14px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }
.problem-block { padding: 2rem 0; border-top: 1px solid var(--hairline); }
.problem-label { font-size: 0.78rem; letter-spacing: 0.16em; text-transform: uppercase; font-weight: 600; color: var(--accent); margin-bottom: 0.6rem; }
.problem-icon { width: 56px; height: 56px; margin-bottom: 1rem; opacity: 0.95; }
.problem-block p { max-width: 42ch; }
.service-track { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.service-track::before { content: ""; position: absolute; top: 28px; left: 8%; right: 8%; height: 1px; background: var(--hairline); }
@media (max-width: 992px) { .service-track { grid-template-columns: 1fr; } .service-track::before { display: none; } }
.service-step { position: relative; padding-top: 1rem; border-top: 1px solid var(--hairline); }
.service-step-num {
  width: 36px; height: 36px; background: var(--paper); border: 1px solid var(--accent);
  color: var(--accent); display: grid; place-items: center; font-size: 0.8rem; font-weight: 600; margin-bottom: 1rem;
}
.service-step h3 { font-size: 1.05rem; letter-spacing: 0.12em; text-transform: uppercase; font-family: var(--font-sans); margin-bottom: 0.75rem; }
.service-step ul { list-style: none; padding: 0; margin: 0.75rem 0 0; }
.service-step li { font-size: 0.9rem; color: var(--muted); padding: 0.28rem 0; border-bottom: 1px solid var(--hairline); }
.service-step li:last-child { border-bottom: 0; }
.table-hairline { width: 100%; border-collapse: collapse; border-top: 1px solid var(--ink); }
.table-hairline th {
  font-family: var(--font-sans); font-size: 0.78rem; font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; text-align: left; padding: 0.9rem 0; border-bottom: 1px solid var(--hairline); color: var(--ink);
}
.table-hairline td { padding: 0.75rem 0; border-bottom: 1px solid var(--hairline); font-size: 0.95rem; vertical-align: top; }
.table-hairline tr:last-child td { border-bottom: 1px solid var(--ink); }
.dashboard-frame { border: 1px solid var(--hairline); background: var(--paper); padding: 0; overflow: hidden; }
.dashboard-frame img { width: 100%; display: block; }
.engagement-card { border-top: 1px solid var(--hairline); padding: 1.5rem 0; }
.engagement-card h3 { font-family: var(--font-sans); font-size: 0.95rem; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 0.5rem; }
.form-control, .form-select { border-radius: 2px; border-color: var(--hairline); background: var(--paper); color: var(--ink); padding: 0.7rem 0.85rem; }
.form-control:focus, .form-select:focus { border-color: var(--accent); box-shadow: 0 0 0 0.2rem color-mix(in srgb, var(--accent) 18%, transparent); }
.form-label { font-size: 0.82rem; letter-spacing: 0.08em; text-transform: uppercase; font-weight: 600; color: var(--muted); }
.invalid-feedback { font-size: 0.85rem; }
.footer { border-top: 1px solid var(--hairline); padding: 3rem 0; color: var(--muted); font-size: 0.9rem; }
.text-muted-custom { color: var(--muted) !important; }
.border-hairline { border-color: var(--hairline) !important; }
.bg-paper { background: var(--paper) !important; }