:root {
  --primary: #787570;
  --accent: #C62828;
  --secondary: #3A5A78;
  --bg: #0d0f13;
  --card: #151922;
  --text: #ECEDEE;
  --muted: #B7BABE;
  --btn: #E9E9EA;
  --btnText: #0d0f13;
  --outline: #2B303B;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, 'Helvetica Neue', 'Noto Sans', Arial, sans-serif; line-height: 1.6; }
img { max-width: 100%; height: auto; }
a { color: var(--btn); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { width: min(1100px, 92vw); margin-inline: auto; }
.skip-link { position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden; }
.skip-link:focus { left: 1rem; top: 1rem; width: auto; height: auto; background: var(--accent); color: #fff; padding: .5rem .75rem; border-radius: .5rem; }

.header-container { display: flex; align-items: center; justify-content: space-between; padding: 1rem 0; gap: 0.5rem; }
.brand { display: flex; align-items: center; gap: .60rem; }
.logo { width: 150px; height: 100px; border-radius: 8px; object-fit: contain; background: #fff0; }
.brand-name { font-weight: 700; letter-spacing: .2px; color: var(--text); }

.site-nav ul { list-style: none; display: flex; gap: 1rem; padding: 0; margin: 0; align-items: center; }
.site-nav a { padding: .5rem .75rem; border-radius: .6rem; }
.site-nav a.cta { background: var(--btn); color: var(--btnText); font-weight: 400; }
.site-nav a:hover { background: color-mix(in oklab, var(--btn) 16%, transparent); text-decoration: none; }
.nav-toggle { display: none; }

.hero { padding: 6rem 0 4rem; background: radial-gradient(1200px 600px at 10% -10%, color-mix(in oklab, var(--primary) 26%, black), transparent), radial-gradient(1000px 500px at 95% -10%, color-mix(in oklab, var(--accent) 10%, black), transparent); }
.hero h1 { font-size: clamp(2rem, 5vw, 3rem); line-height: 1.15; margin: 0 0 .5rem; }
.hero p.lead { color: var(--muted); max-width: 100ch; margin: 0 0 1.5rem; }
.btn { display: inline-block; padding: .85rem 1.1rem; border-radius: .8rem; background: var(--btn); color: var(--btnText); font-weight: 700; }
.btn:hover { filter: brightness(0.95); text-decoration: none; }

.section { padding: 3rem 0; }
.section h2 { font-size: clamp(1.5rem, 4vw, 2rem); margin: 0 0 1rem; }
.section p { color: var(--muted); }

.service-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1rem; }
.card { background: var(--card); border: 1px solid color-mix(in oklab, var(--text) 10%, transparent); border-radius: 1rem; padding: 1.1rem; transition: transform .2s ease, border-color .2s ease; }
.card:hover { transform: translateY(-3px); border-color: color-mix(in oklab, var(--btn) 30%, transparent); }
.card h3 { margin-top: 0; }
.card p { color: var(--muted); }

.breadcrumbs { font-size: .9rem; color: var(--muted); margin-bottom: .5rem; }
.breadcrumbs a { color: var(--muted); }

.grid { display: grid; gap: 1rem; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.kpi { display: flex; gap: .5rem; align-items: baseline; }
.kpi strong { font-size: 1.3rem; }

.callout { background: linear-gradient(180deg, color-mix(in oklab, var(--primary) 10%, transparent), transparent); border: 1px solid color-mix(in oklab, var(--text) 12%, transparent); border-radius: 1rem; padding: 1.2rem; }

.contact-form form { display: grid; gap: .75rem; }
.contact-form input, .contact-form textarea { background: #0c0f14; color: var(--text); border: 1px solid #262a33; border-radius: .6rem; padding: .7rem .8rem; }
.contact-form button { background: var(--btn); color: var(--btnText); border: none; border-radius: .6rem; padding: .8rem 1rem; font-weight: 700; cursor: pointer; }

.site-footer { margin-top: 4rem; border-top: 1px solid #242833; background: #0c0f14; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; padding: 2rem 0; }
.copyright { padding: .75rem 0 1.5rem; color: var(--muted); font-size: .9rem; }

@media (max-width: 840px) {
  .nav-toggle { display: inline-flex; background: var(--card); color: var(--text); border: 1px solid #303542; border-radius: .6rem; padding: .5rem .75rem; }
  .site-nav ul { display: none; position: absolute; right: 1rem; top: 64px; background: var(--card); border: 1px solid #303542; padding: .5rem; border-radius: .8rem; flex-direction: column; width: min(92vw, 320px); z-index: 20; }
  .site-nav ul.open { display: flex; }
}

/* --- Palette B1 enhancements --- */
h1, h2, h3 { color: var(--text); }
.section h2 { border-left: 6px solid var(--accent); padding-left: .6rem; }

a { color: color-mix(in oklab, var(--secondary) 70%, white); }
a:hover { color: color-mix(in oklab, var(--secondary) 85%, white); }

.hero { 
  padding: 6rem 0 4rem; 
  background:
    radial-gradient(1200px 600px at 10% -10%, color-mix(in oklab, var(--primary) 38%, black), transparent),
    radial-gradient(1000px 500px at 95% -10%, color-mix(in oklab, var(--accent) 22%, black), transparent),
    linear-gradient(180deg, color-mix(in oklab, var(--secondary) 10%, transparent), transparent);
  border-bottom: 1px solid var(--outline);
}

.card { 
  background: linear-gradient(180deg, color-mix(in oklab, var(--card) 90%, black), color-mix(in oklab, var(--card) 75%, black));
  border: 1px solid color-mix(in oklab, var(--secondary) 18%, var(--outline));
  box-shadow: 0 1px 0 rgba(0,0,0,.25), 0 10px 30px rgba(0,0,0,.18);
}
.card:hover { 
  transform: translateY(-3px);
  border-color: color-mix(in oklab, var(--accent) 35%, var(--outline));
}

.site-nav a:hover { background: color-mix(in oklab, var(--secondary) 18%, transparent); }
.site-nav a.cta { background: var(--accent); color: white; }
.site-nav a.cta:hover { filter: brightness(1.05); }

.btn { background: var(--accent); color: #fff; }
.btn.alt { background: var(--secondary); color: #fff; }
.btn.neutral { background: var(--btn); color: var(--btnText); }

hr.section-divider { border: none; height: 1px; background: linear-gradient(90deg, transparent, var(--outline), transparent); margin: 2rem 0; }

:focus-visible { outline: 3px solid color-mix(in oklab, var(--secondary) 60%, white); outline-offset: 2px; border-radius: 8px; }

.kpi strong { color: color-mix(in oklab, var(--accent) 65%, white); }

.badge { display:inline-block; padding:.3rem .5rem; border-radius:.5rem; background: color-mix(in oklab, var(--secondary) 25%, var(--card)); border:1px solid color-mix(in oklab, var(--secondary) 35%, var(--outline)); color: var(--text); font-size:.8rem; }


/* Light theme tokens */
:root[data-theme="light"] {
  --primary: #787570;    /* taupe */
  --accent:  #C62828;    /* brand red */
  --secondary: #3A5A78;  /* steel blue */
  --bg: #F8F9FB;
  --card: #FFFFFF;
  --text: #1B1D21;
  --muted: #5F646B;
  --btn: #1B1D21;
  --btnText: #FFFFFF;
  --outline: #E3E6EC;
}

/* Light theme component adjustments */
:root[data-theme="light"] body { background: var(--bg); color: var(--text); }
:root[data-theme="light"] .site-header { background: #FFFFFFA6; backdrop-filter: saturate(120%) blur(8px); }
:root[data-theme="light"] .hero {
  background:
    radial-gradient(1200px 600px at 10% -10%, color-mix(in oklab, var(--primary) 18%, white), transparent),
    radial-gradient(1000px 500px at 95% -10%, color-mix(in oklab, var(--accent) 12%, white), transparent),
    linear-gradient(180deg, color-mix(in oklab, var(--secondary) 6%, transparent), transparent);
  border-bottom: 1px solid var(--outline);
}
:root[data-theme="light"] .card {
  background: linear-gradient(180deg, color-mix(in oklab, var(--card) 100%, white), color-mix(in oklab, var(--card) 92%, white));
  border: 1px solid color-mix(in oklab, var(--secondary) 12%, var(--outline));
  box-shadow: 0 6px 20px rgba(24,28,36,.06);
}
:root[data-theme="light"] .site-nav a:hover { background: color-mix(in oklab, var(--secondary) 12%, #EEF2F7); }
:root[data-theme="light"] .site-footer { background: #F3F5F8; border-top-color: var(--outline); }
:root[data-theme="light"] .contact-form input, 
:root[data-theme="light"] .contact-form textarea { background: #FFFFFF; color: var(--text); border-color: var(--outline); }
:root[data-theme="light"] .section h2 { border-left-color: var(--accent); }


/* Theme toggle */
.theme-toggle {
  appearance: none;
  border: 1px solid var(--outline);
  background: var(--card);
  color: var(--text);
  border-radius: .6rem;
  padding: .45rem .6rem;
  margin-left: .5rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
}
.theme-toggle:hover { border-color: color-mix(in oklab, var(--secondary) 30%, var(--outline)); }
.theme-toggle .icon { font-size: 1rem; line-height: 1; }
@media (max-width: 840px) {
  .theme-toggle { position: relative; z-index: 21; }
}