/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(253, 253, 249, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.logo img {
  display: block;
  height: 32px;
  width: auto;
}
.footer-logo img {
  height: 28px;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: 16px;
  padding-inline: max(16px, 7vw);
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--ink);
}
.main-nav {
  display: flex;
  align-items: center;
  flex: 1;
  min-width: 0;
  gap: var(--space-4);
}
.main-nav ul {
  display: flex;
  gap: var(--space-5);
  margin-inline: auto;
}
.main-nav a {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text);
}
.main-nav a:hover { color: var(--brand-dark); }

/* ===== Mega menu (Services dropdown) ===== */
.has-mega { position: relative; }
.mega-details summary {
  cursor: pointer;
  list-style: none;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 6px;
}
.mega-details summary::-webkit-details-marker { display: none; }
.mega-details summary::after {
  content: "";
  width: 7px;
  height: 7px;
  border-right: 1.6px solid currentColor;
  border-bottom: 1.6px solid currentColor;
  transform: rotate(45deg);
  margin-top: -4px;
  transition: transform 150ms ease;
}
.mega-details[open] summary::after { transform: rotate(-135deg); margin-top: 3px; }
.mega-details summary:hover { color: var(--brand-dark); }

.mega-panel {
  position: absolute;
  top: calc(100% + 20px);
  left: 50%;
  transform: translateX(-50%);
  width: min(760px, 86vw);
  background: var(--ink);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-5);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  z-index: 150;
}
.mega-col-title {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  font-weight: 700;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.mega-col-icon {
  display: inline-flex;
  width: 26px;
  height: 26px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: rgba(166, 226, 46, 0.12);
  flex-shrink: 0;
}
.mega-col ul { display: flex; flex-direction: column; gap: 12px; }
.mega-col a { color: #C0CED4; font-size: 0.9rem; }
.mega-col a:hover { color: var(--brand); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink);
  margin-inline: auto;
  transition: transform 200ms ease, opacity 200ms ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.header-cta,
.btn-dark.header-cta {
  color: #fff !important;
  opacity: 1;
  background: var(--ink);
}
.header-cta svg,
.btn-dark.header-cta svg { color: #fff !important; opacity: 1; }
.header-cta:hover,
.btn-dark.header-cta:hover { background: var(--brand-dark, var(--ink)); color: #fff !important; }

/* ===== Footer ===== */
.site-footer { background: #0f1118; color: #fff; padding-top: var(--space-7); padding-inline: max(20px, 7vw); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--space-5);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer-brand { max-width: 320px; }
.footer-logo { color: #fff; margin-bottom: var(--space-3); }
.footer-tagline { color: #929FA4; font-size: 0.88rem; line-height: 1.5; margin-bottom: var(--space-4); }
.footer-col-title {
  color: #fff;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-3);
}
.footer-nav { display: flex; flex-direction: column; gap: 10px; }
.footer-nav a { color: #C0CED4; font-size: 0.88rem; }
.footer-nav a:hover { color: var(--brand); }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
}
.footer-social a:hover { background: var(--brand-dark); }
.footer-bottom {
  padding-block: var(--space-4);
  font-size: 0.8rem;
  color: #828F93;
}

@media (max-width: 860px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; max-width: 100%; }

  .main-nav { display: none; width: 100%; }
  .main-nav ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin: 0;
    padding: 0;
  }
  .main-nav a,
  .mega-details summary {
    display: block;
    width: 100%;
    padding: calc(var(--space-2) + 2px) 0;
  }

  .header-cta { display: none; }
  .nav-toggle {
    display: flex;
    position: absolute;
    right: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
  }
  .header-inner {
    justify-content: center;
    position: relative;
    gap: 0;
  }
  .logo {
    margin: 0 auto;
    text-align: center;
  }
  .logo img {
    margin: 0;
  }

  .site-header.nav-open .header-inner {
    flex-direction: column;
    align-items: stretch;
  }
  .site-header.nav-open .nav-toggle {
    position: absolute;
    top: 16px;
    right: var(--space-4);
    transform: none;
  }
  .site-header.nav-open .main-nav {
    display: block;
    position: static;
    background: var(--white);
    border-top: 1px solid var(--border);
    padding: var(--space-4);
  }
  .site-header.nav-open .main-nav ul {
    padding-bottom: var(--space-4);
  }
  .site-header.nav-open .header-cta {
    display: inline-flex;
    position: static;
    width: 100%;
    justify-content: center;
    margin: var(--space-2) auto 0;
  }
  .site-header.nav-open .header-cta:hover {
    transform: none;
  }

  .has-mega { position: static; }
  .mega-panel {
    position: static;
    transform: none;
    width: auto;
    margin-top: var(--space-2);
    grid-template-columns: 1fr;
    gap: var(--space-4);
    padding: 0;
    padding-inline-start: var(--space-4);
    background: none;
    box-shadow: none;
    box-sizing: border-box;
  }
  .mega-col-title {
    color: var(--text);
    background: none;
    margin-bottom: var(--space-2);
    padding-bottom: var(--space-2);
    border-bottom: 1px solid var(--border);
  }
  .mega-col-icon { background: none; width: auto; height: auto; }
  .mega-col ul { gap: 8px; }
  .mega-col a { color: var(--text); }
  .mega-col a:hover { color: var(--brand); }
}

@media (max-width: 640px) {
  .footer-grid { grid-template-columns: 1fr; }
}