/* ============================================================
   02-header.css — top navigation
   Module: <header id="header"> in index.html
   ============================================================ */

#header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--c-white);
  border-bottom: 1px solid var(--c-line);
}
#header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
  height: 76px;
}

/* --- Logo block --- */
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.logo-img {
  display: block;
  height: 52px;
  width: auto;
}

/* Badge variant — round image, paired with text stack */
.logo-img.logo-badge {
  height: 64px;
  width: 64px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--c-white);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}
.logo-text-stack {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  white-space: nowrap;
}
.logo-text-stack strong {
  font-family: var(--f-display);
  font-weight: 900;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
  color: var(--c-ink);
}
.logo-text-stack small {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--c-muted);
  text-transform: uppercase;
  margin-top: 3px;
}
@media (max-width: 720px) {
  .logo-img.logo-badge { height: 48px; width: 48px; }
  .logo-text-stack strong { font-size: 1rem; }
  .logo-text-stack small { display: none; }
}
/* Footer-on-dark variant — uses the square mark + text */
.logo.logo-on-dark {
  font-family: var(--f-display);
  font-weight: 900;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  color: var(--c-white);
  line-height: 1.15;
}
.logo.logo-on-dark img {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--c-white);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
  /* Reset prior invert filter — the badge is a coloured logo, don't filter */
  filter: none;
}
.logo.logo-on-dark .logo-text {
  display: block;
  white-space: nowrap;
}
.logo.logo-on-dark small {
  display: block;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
  margin-top: 3px;
}

@media (max-width: 720px) {
  .logo-img { height: 38px; }
}

/* --- Nav --- */
.nav {
  display: flex;
  gap: var(--s-4);
  align-items: center;
}
.nav a {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--c-ink-soft);
  white-space: nowrap;
  transition: color 0.15s ease;
}
.nav a:hover { color: var(--c-amber-dark); }

/* --- Right-side CTA cluster --- */
.header-cta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

/* Modern phone button — pill with icon + number */
.btn-phone {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px 10px 12px;
  background: var(--c-white);
  border: 1.5px solid var(--c-line);
  border-radius: 999px;
  font-family: var(--f-body);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--c-ink);
  white-space: nowrap;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  text-decoration: none;
}
.btn-phone:hover {
  background: var(--c-blue);
  color: var(--c-white);
  border-color: var(--c-blue);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(30, 58, 95, 0.22);
}
.btn-phone:hover .btn-phone-icon {
  background: var(--c-yellow);
  color: var(--c-blue-dark);
}
.btn-phone-icon {
  display: grid;
  place-items: center;
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--c-blue);
  color: var(--c-white);
  flex-shrink: 0;
  transition: background 0.2s ease, color 0.2s ease;
}
.btn-phone-icon svg { width: 16px; height: 16px; }
.btn-phone-number {
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

/* --- Mobile hamburger --- */
.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  width: 40px; height: 40px;
  position: relative;
  flex-shrink: 0;
}
.nav-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--c-ink);
  margin: 5px auto;
  transition: transform 0.2s, opacity 0.2s;
}
.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); }

/* --- Breakpoints ---
   Trigger mobile menu earlier (1080px) so the desktop layout
   never has to fight for room. Below that we go to hamburger. */
@media (max-width: 1080px) {
  .nav {
    position: fixed;
    inset: 76px 0 auto 0;
    background: var(--c-white);
    flex-direction: column;
    gap: 0;
    padding: var(--s-3) 0;
    border-bottom: 1px solid var(--c-line);
    box-shadow: var(--shadow-md);
    transform: translateY(-120%);
    transition: transform 0.25s ease;
  }
  .nav.is-open { transform: translateY(0); }
  .nav a {
    width: 100%;
    padding: var(--s-3) var(--s-4);
    border-bottom: 1px solid var(--c-line);
    font-size: 1rem;
  }
  .nav-toggle { display: block; }
}

@media (max-width: 720px) {
  .header-cta .btn { display: none; }
  .logo small { display: none; }
}

/* On smaller screens collapse the phone button to icon-only */
@media (max-width: 560px) {
  .btn-phone {
    padding: 6px;
    border: 0;
    background: transparent;
  }
  .btn-phone-number { display: none; }
  .btn-phone:hover { background: transparent; box-shadow: none; }
  .btn-phone:hover .btn-phone-icon {
    background: var(--c-blue-dark);
    color: var(--c-yellow);
  }
}