/* ============================================
   LAYOUT.CSS — Header, Footer, Navigation, Grid
   Premium Insurance Agency — Signature Edition
   ============================================ */

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: var(--z-header);
  transition: all var(--duration-slow) var(--ease);
  background: transparent;
}

.header.scrolled {
  background: rgba(10, 20, 40, 0.95);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  box-shadow: 0 4px 30px rgba(0,0,0,0.2);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* Logo */
.logo {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  z-index: calc(var(--z-mobile-menu) + 1);
}

.logo-tagline {
  margin-top: 4px;
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 0.5rem;
  font-weight: 600;
  letter-spacing: 0.32em;
  text-indent: 0.32em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
  white-space: nowrap;
  line-height: 1;
}

.logo-img {
  height: 60px;
  width: auto;
  display: block;
  transition: opacity var(--duration) var(--ease), transform var(--duration) var(--ease);
  filter: brightness(1.1);
}

.logo:hover .logo-img {
  opacity: 0.8;
  transform: scale(1.03);
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link {
  padding: 10px 20px;
  font-size: 1rem;
  font-weight: 600;
  color: rgba(255,255,255,0.88);
  border-radius: var(--radius);
  transition: all var(--duration) var(--ease);
  text-decoration: none;
  white-space: nowrap;
  letter-spacing: 0.01em;
}

.nav-link:hover {
  color: var(--white);
  background: rgba(255,255,255,0.08);
}

.nav-link.active {
  color: var(--white);
  background: rgba(255,255,255,0.1);
}

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

.nav-cta .btn {
  padding: 10px 24px;
  font-size: 0.8125rem;
}

/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  cursor: pointer;
  z-index: calc(var(--z-mobile-menu) + 1);
  padding: 4px;
  background: none;
  border: none;
}

.hamburger-line {
  width: 100%;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--duration) var(--ease);
}

.hamburger.active .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.hamburger.active .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10, 20, 40, 0.98);
  backdrop-filter: blur(20px);
  z-index: var(--z-mobile-menu);
  opacity: 0;
  transition: opacity var(--duration-slow) var(--ease);
}

.mobile-menu-overlay.active {
  display: flex;
  opacity: 1;
}

.mobile-menu {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  gap: var(--space-3);
}

.mobile-menu .nav-link {
  font-size: 1.25rem;
  padding: 14px 28px;
  color: rgba(255,255,255,0.7);
}

.mobile-menu .nav-link:hover,
.mobile-menu .nav-link.active {
  color: var(--white);
  background: rgba(255,255,255,0.08);
}

.mobile-menu .btn {
  margin-top: var(--space-6);
}


/* --- Footer --- */
.footer {
  background: var(--primary-dark);
  color: var(--text-on-dark);
  padding-top: var(--space-24);
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(var(--accent-rgb), 0.2), transparent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2.5fr 1fr 1fr 1fr;
  gap: var(--space-12);
  padding-bottom: var(--space-16);
}

.footer-brand {
  max-width: 340px;
}

.footer-brand .logo {
  margin-bottom: var(--space-6);
}

.footer-brand .logo-img {
  height: 48px;
}

.footer-brand p {
  color: rgba(255,255,255,0.5);
  font-size: 0.9375rem;
  line-height: 1.75;
}

.footer-heading {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-5);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

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

.footer-link {
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.45);
  transition: all var(--duration) var(--ease);
  text-decoration: none;
}

.footer-link:hover {
  color: var(--white);
  padding-left: 4px;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: rgba(255,255,255,0.45);
  font-size: 0.9375rem;
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  color: var(--accent);
  flex-shrink: 0;
}

.footer-contact-item a {
  color: rgba(255,255,255,0.45);
  transition: color var(--duration) var(--ease);
}

.footer-contact-item a:hover {
  color: var(--white);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: var(--space-6) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.3);
}

.footer-social {
  display: flex;
  gap: var(--space-3);
}

.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.4);
  transition: all var(--duration) var(--ease);
}

.footer-social a:hover {
  background: rgba(var(--accent-rgb), 0.15);
  border-color: rgba(var(--accent-rgb), 0.3);
  color: var(--accent-glow);
  transform: translateY(-2px);
}

.footer-social svg {
  width: 18px;
  height: 18px;
}


/* --- Grid Utilities --- */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}


/* --- Section Spacing --- */
.section {
  padding: var(--space-24) 0;
}

.section-sm {
  padding: var(--space-16) 0;
}

.section-lg {
  padding: var(--space-32) 0;
}


/* --- Responsive --- */
@media (max-width: 1024px) {
  .hamburger {
    display: flex;
  }

  .nav, .nav-cta {
    display: none;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }

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

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .header .logo-img {
    height: 44px;
  }

  .header .logo-tagline {
    margin-top: 3px;
    font-size: 0.4rem;
  }

  .section {
    padding: var(--space-16) 0;
  }

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

  .section-lg {
    padding: var(--space-20) 0;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }

  .grid-3 {
    grid-template-columns: 1fr;
  }

  .grid-4 {
    grid-template-columns: 1fr 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }

  .page-hero {
    padding: calc(var(--header-height) + var(--space-12)) 0 var(--space-12);
  }

  .section-header {
    margin-bottom: var(--space-10);
  }

  .container {
    padding: 0 var(--space-5);
  }
}

@media (max-width: 480px) {
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .floating-whatsapp {
    bottom: 16px;
    right: 16px;
    width: 56px;
    height: 56px;
  }
}