/* ==========================================================================
   Andreas Burger Consulting - base layer (reset, type, layout, nav, footer)
   ========================================================================== */

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.65;
  color: var(--color-ink);
  background: var(--color-paper);
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}
.container--narrow { max-width: var(--container-narrow); }

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 var(--space-3);
  color: var(--color-ink);
}
h1 { font-size: var(--step-4); }
h2 { font-size: var(--step-3); }
h3 { font-size: var(--step-2); }
h4 { font-size: var(--step-1); }
p { margin: 0 0 var(--space-4); }
.lede { font-size: var(--step-1); color: var(--color-ink-soft); }

.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--color-accent-dim);
  margin: 0 0 var(--space-2);
}
section[data-tone="dark"] .eyebrow { color: var(--color-accent); }

.accent { color: var(--color-accent-dim); }
section[data-tone="dark"] .accent { color: var(--color-accent); }

/* ---- Site header / nav ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--color-primary);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
}
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--color-white);
  flex-shrink: 0;
}
.brand__mark {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  overflow: hidden;
  border: 1.5px solid rgba(255,255,255,0.5);
  flex-shrink: 0;
}
.brand__mark img { width: 100%; height: 100%; object-fit: cover; object-position: center 30%; }
.brand__logo { height: 36px; width: auto; display: block; flex-shrink: 0; }
/* The full-colour red/gold logo needs a light backing on the orange header and dark footer. */
.brand__badge { display: flex; align-items: center; background: var(--color-white); border-radius: var(--radius-s); padding: 4px 10px; box-shadow: var(--shadow-card); flex-shrink: 0; }
.brand__badge .brand__logo { height: 56px; }
.brand__badge--footer { width: fit-content; margin-bottom: 14px; padding: 6px 14px; }
.brand__badge--footer .brand__logo { height: 64px; }

.primary-nav { display: flex; align-items: center; gap: var(--space-5); }
.primary-nav ul { list-style: none; display: flex; gap: var(--space-4); margin: 0; padding: 0; }
.primary-nav a {
  text-decoration: none;
  color: var(--color-muted);
  font-weight: 600;
  font-size: 0.92rem;
  padding: 8px 2px;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.primary-nav a:hover, .primary-nav a.is-active { color: var(--color-white); border-color: var(--color-accent); }
.primary-nav .has-submenu { position: relative; }
.primary-nav .sub-menu {
  position: absolute; top: 100%; left: -14px; min-width: 240px;
  background: var(--color-primary-dark); border-radius: var(--radius-s);
  padding: 8px; margin: 10px 0 0; list-style: none;
  box-shadow: var(--shadow-card); opacity: 0; visibility: hidden;
  transform: translateY(6px); transition: all 0.18s ease; z-index: 50;
  /* .primary-nav ul is a flex row; the dropdown must stack, or it widens the whole page. */
  display: flex; flex-direction: column; gap: 2px; width: max-content; max-width: 90vw;
}
.primary-nav .has-submenu:hover .sub-menu,
.primary-nav .has-submenu:focus-within .sub-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.primary-nav .sub-menu a { display: block; padding: 9px 12px; border-bottom: none; border-radius: 6px; }
.primary-nav .sub-menu a:hover { background: rgba(255,255,255,0.06); }

.nav-toggle {
  display: none; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: var(--radius-s);
  background: transparent; border: 1px solid rgba(255,255,255,0.25); color: var(--color-white);
  cursor: pointer;
}
.mobile-nav { display: none; }
.mobile-nav ul { list-style: none; margin: 0; padding: var(--space-2) 0 var(--space-4); display: grid; gap: 2px; }
.mobile-nav a { display: block; padding: 12px 4px; text-decoration: none; color: var(--color-white); font-weight: 600; border-bottom: 1px solid rgba(255,255,255,0.08); }
@media (max-width: 900px) {
  .primary-nav { display: none; }
  .nav-toggle { display: inline-flex; }
  .mobile-nav:not([hidden]) { display: block; }
  .mobile-nav { padding: 0 24px; }
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 28px; border-radius: var(--radius-pill);
  font-family: var(--font-body); font-weight: 700; font-size: 0.9rem;
  letter-spacing: 0.02em; text-decoration: none; text-transform: uppercase;
  border: 1.5px solid transparent; cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, color 0.18s ease;
}
.btn svg { width: 18px; height: 18px; }
.btn--primary { background: var(--color-accent-dim); color: var(--color-white); box-shadow: 0 16px 32px -16px rgba(23,13,6,0.5); }
.btn--primary:hover { background: var(--color-accent); transform: translateY(-2px); }
.btn--light { background: var(--color-white); color: var(--color-primary); box-shadow: 0 16px 40px -14px rgba(0,0,0,0.5); }
.btn--light:hover { transform: translateY(-2px); }
.btn--outline { background: transparent; color: var(--color-primary); border-color: var(--color-border); }
.btn--outline:hover { border-color: var(--color-accent-dim); color: var(--color-accent-dim); }
section[data-tone="dark"] .btn--outline { color: var(--color-white); border-color: rgba(255,255,255,0.35); }
.btn--sm { padding: 10px 20px; font-size: 0.8rem; white-space: nowrap; }
@media (max-width: 520px) { .site-header .btn--sm { padding: 8px 14px; font-size: 0.72rem; } }

/* ---- Sections ---- */
section { padding: var(--space-7) 0; }
section[data-tone="dark"] {
  background: var(--color-primary);
  color: var(--color-white);
}
section[data-tone="dark"] h1, section[data-tone="dark"] h2, section[data-tone="dark"] h3 { color: var(--color-white); }
section[data-tone="dark"] p { color: var(--color-muted); }
section[data-tone="soft"] { background: var(--color-paper-soft); }
.section-head { max-width: 720px; margin: 0 0 var(--space-6); }
.section-head--center { margin-inline: auto; text-align: center; }

/* ---- Footer ---- */
.site-footer { background: var(--color-primary-dark); color: var(--color-muted); }
.site-footer .container { padding-top: var(--space-7); padding-bottom: var(--space-4); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: var(--space-6); margin-bottom: var(--space-6); }
.footer-grid h4 { color: var(--color-white); font-size: 0.95rem; letter-spacing: 0.04em; text-transform: uppercase; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.footer-grid a { text-decoration: none; color: var(--color-muted); }
.footer-grid a:hover { color: var(--color-accent); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: var(--space-4);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-2);
  font-size: 0.82rem;
}
.footer-bottom a { text-decoration: none; color: var(--color-muted); }
.footer-bottom a:hover { color: var(--color-accent); }

@media (max-width: 820px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; }
}

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