/* ============================================================
   PREMIER SUPPORT SERVICES — Layout
   Header, navigation, footer, grid system, sections
   ============================================================ */

/* ── Site Header ── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all var(--transition-base);
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
  border-bottom-color: var(--color-border-light);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: var(--space-4) var(--space-6);
}

/* ── Logo ── */
.site-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.site-logo img {
  height: 50px;
  width: auto;
}

.site-logo:hover {
  opacity: 0.9;
}

/* ── Top Contact Bar ── */
.top-bar {
  background: var(--color-primary-dark);
  padding: var(--space-2) 0;
  font-size: var(--text-sm);
}

.top-bar__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--space-6);
  color: rgba(255, 255, 255, 0.85);
}

.top-bar__contact {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.top-bar__item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255, 255, 255, 0.85);
  transition: color var(--transition-fast);
}

.top-bar__item:hover {
  color: #ffffff;
}

.top-bar__cta a {
  color: var(--color-accent-light);
  font-weight: var(--weight-semibold);
}

.top-bar__cta a:hover {
  color: #ffffff;
}

@media (max-width: 768px) {
  .top-bar {
    display: none;
  }
}

/* ── Desktop Navigation ── */
.nav-desktop {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-desktop a {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  color: var(--color-text);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-desktop a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--color-accent);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

.nav-desktop a:hover,
.nav-desktop a.active {
  color: var(--color-primary);
}

.nav-desktop a:hover::after,
.nav-desktop a.active::after {
  width: 60%;
}

.nav-desktop .btn {
  margin-left: var(--space-4);
}

/* ── Header CTA Button ── */
.header-cta {
  padding: var(--space-2) var(--space-5) !important;
  font-size: var(--text-sm) !important;
  min-height: 40px !important;
}

/* ── Mobile Menu Toggle ── */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 48px;
  height: 48px;
  padding: 12px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1001;
}

.mobile-menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* ── Mobile Navigation ── */
.nav-mobile {
  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;
  padding: 100px var(--space-6) var(--space-8);
  overflow-y: auto;
  flex-direction: column;
  gap: var(--space-2);
}

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

.nav-mobile a {
  display: block;
  padding: var(--space-4) var(--space-4);
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  border-bottom: 1px solid var(--color-border-light);
}

.nav-mobile a:hover,
.nav-mobile a.active {
  color: var(--color-primary);
  background: rgba(var(--color-primary-rgb), 0.05);
}

.nav-mobile .btn {
  margin-top: var(--space-6);
  text-align: center;
}

.nav-mobile__phone {
  margin-top: auto;
  text-align: center;
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}

@media (max-width: 1024px) {
  .nav-desktop {
    display: none;
  }

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

/* ── Page Content Offset (for fixed header) ── */
.page-content {
  padding-top: 82px;
}

.has-top-bar .page-content {
  padding-top: 122px;
}

/* ── Sections ── */
.section {
  padding: var(--space-20) 0;
}

.section-sm {
  padding: var(--space-12) 0;
}

.section-lg {
  padding: var(--space-24) 0;
}

.section--bg-alt {
  background: var(--color-bg-alt);
}

.section--bg-white {
  background: var(--color-surface);
}

/* ── Grid System ── */
.grid {
  display: grid;
  gap: var(--space-8);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

/* ── Two-Column Layout ── */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.split--reverse {
  direction: rtl;
}

.split--reverse > * {
  direction: ltr;
}

@media (max-width: 768px) {
  .split,
  .split--reverse {
    grid-template-columns: 1fr;
    direction: ltr;
    gap: var(--space-8);
  }
}

/* ── Content Image ── */
.content-image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.content-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ── Site Footer ── */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.85);
  padding-top: var(--space-16);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: var(--space-10);
  padding-bottom: var(--space-12);
}

.footer-brand {
  max-width: 300px;
}

.footer-brand img {
  height: 45px;
  margin-bottom: var(--space-5);
  filter: brightness(10);
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

.footer-heading {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-bold);
  color: #ffffff;
  margin-bottom: var(--space-5);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--text-sm);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.footer-links a:hover {
  color: #ffffff;
  transform: translateX(4px);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.7);
}

.footer-contact-item span:first-child {
  font-size: var(--text-lg);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-contact-item a {
  color: rgba(255, 255, 255, 0.7);
}

.footer-contact-item a:hover {
  color: #ffffff;
}

/* Footer Bottom */
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--space-6) 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-bottom p {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.5);
  margin: 0;
}

.footer-bottom-links {
  display: flex;
  gap: var(--space-6);
}

.footer-bottom-links a {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom-links a:hover {
  color: rgba(255, 255, 255, 0.9);
}

@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}