/* ═══════════════════════════════════════════════════
   MCH Enterprises — HEADER & NAVIGATION
   File: css/header.css
════════════════════════════════════════════════════ */

/* ── Header ── */
#header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: var(--transition);
  padding: 18px 0;
  background: transparent;
}

#header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 2px 30px rgba(21, 101, 192, 0.12);
  padding: 12px 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ── Logo ── */
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-icon {
  width: 46px;
  height: 46px;
  background: var(--primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 15px;
  font-weight: 800;
  flex-shrink: 0;
  box-shadow: 0 4px 14px rgba(21, 101, 192, 0.4);
  letter-spacing: -0.5px;
}

.logo-text {
  line-height: 1.1;
}

.logo-text .brand {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.5px;
  transition: var(--transition);
}

.logo-text .tagline {
  font-size: 10px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.75);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  transition: var(--transition);
}

#header.scrolled .logo-text .brand  { color: var(--primary); }
#header.scrolled .logo-text .tagline { color: var(--text-muted); }

/* ── Navigation ── */
nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

nav a {
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  padding: 8px 14px;
  border-radius: 8px;
  transition: var(--transition-fast);
}

nav a:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.15);
}

#header.scrolled nav a {
  color: var(--text);
}

#header.scrolled nav a:hover {
  background: var(--bg2);
  color: var(--primary);
}

/* ── Header CTA ── */
.header-cta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.95);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 50px;
  border: 1.5px solid rgba(255, 255, 255, 0.4);
  transition: var(--transition);
}

.header-phone:hover {
  background: rgba(255, 255, 255, 0.15);
}

#header.scrolled .header-phone {
  color: var(--primary);
  border-color: var(--border);
}

#header.scrolled .header-phone:hover {
  background: var(--bg2);
}

/* ── Hamburger ── */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: var(--transition);
}

#header.scrolled .hamburger span {
  background: var(--primary);
}

/* ── Mobile Menu ── */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu a {
  font-size: 22px;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
  padding: 10px 20px;
  transition: var(--transition-fast);
}

.mobile-menu a:hover {
  color: var(--primary);
}

.mobile-close {
  position: absolute;
  top: 24px;
  right: 24px;
  background: none;
  border: none;
  font-size: 28px;
  cursor: pointer;
  color: var(--text);
  transition: var(--transition-fast);
}

.mobile-close:hover {
  color: var(--primary);
  transform: rotate(90deg);
}