/* JCvG Consulting — static homepage styles
   Plain CSS, no build step. Mobile-first and responsive. */

:root {
  --navy: #0f2a43;
  --navy-deep: #0a1f33;
  --accent: #1d6fa5;
  --accent-light: #3a8dc4;
  --ink: #1c2730;
  --muted: #556573;
  --bg: #ffffff;
  --bg-alt: #f4f7fa;
  --border: #e1e8ee;
  --radius: 10px;
  --maxw: 1080px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Accessibility helpers */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--navy);
  color: #fff;
  padding: 0.6rem 1rem;
  z-index: 100;
  border-radius: 0 0 var(--radius) 0;
}
.skip-link:focus { left: 0; }

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

:focus-visible {
  outline: 3px solid var(--accent-light);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: saturate(140%) blur(6px);
  border-bottom: 1px solid var(--border);
  z-index: 50;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  gap: 1rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--navy);
}
.brand:hover { text-decoration: none; }
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  letter-spacing: 0.5px;
  background: var(--navy);
  color: #fff;
  padding: 0.3rem 0.5rem;
  border-radius: 8px;
  font-size: 1rem;
}
.brand-mark-lower { text-transform: none; }
.brand-name {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--navy);
}
.site-nav {
  display: flex;
  gap: 1.5rem;
}
.site-nav a {
  color: var(--ink);
  font-weight: 600;
  font-size: 0.95rem;
}
.site-nav a:hover { color: var(--accent); text-decoration: none; }

/* Hero */
.hero {
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-deep) 100%);
  color: #fff;
  padding: 5rem 0 5.5rem;
}
.hero-inner { max-width: 760px; }
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-light);
  margin: 0 0 1rem;
}
.hero h1 {
  font-size: clamp(2.1rem, 5.5vw, 3.4rem);
  line-height: 1.12;
  margin: 0 0 1.2rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}
.hero-lede {
  font-size: clamp(1.05rem, 2.4vw, 1.3rem);
  color: #d6e2ee;
  margin: 0 0 2rem;
  max-width: 60ch;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.8rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.98rem;
  transition: transform 0.08s ease, background 0.15s ease, color 0.15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-light); color: #fff; }
.btn-ghost {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.5);
}
.btn-ghost:hover { border-color: #fff; color: #fff; }

/* Sections */
.section { padding: 4rem 0; }
.section-alt { background: var(--bg-alt); }
.section h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.1rem);
  color: var(--navy);
  margin: 0 0 0.9rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}
.section-lede {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 65ch;
  margin: 0 0 1rem;
}
.section p { max-width: 65ch; }

/* Service cards */
.cards {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
}
.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem;
  box-shadow: 0 1px 2px rgba(15, 42, 67, 0.04);
}
.section-alt .card { background: #fff; }
.card h3 {
  margin: 0 0 0.5rem;
  color: var(--navy);
  font-size: 1.2rem;
}
.card p { margin: 0; color: var(--muted); }

/* Contact */
.contact-inner { text-align: center; }
.contact-inner .section-lede { margin-left: auto; margin-right: auto; }
.contact-email {
  margin: 1.5rem 0 0;
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  font-weight: 700;
}

/* Footer */
.site-footer {
  background: var(--navy-deep);
  color: #c6d4e1;
  padding: 2rem 0;
  font-size: 0.92rem;
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  justify-content: space-between;
  align-items: center;
}
.site-footer p { margin: 0; }
.site-footer a { color: #e3ecf4; }

/* Responsive */
@media (min-width: 640px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .cards { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 520px) {
  .site-nav { gap: 1rem; }
  .brand-name { display: none; }
  .hero { padding: 3.5rem 0 4rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn:hover { transform: none; }
}