/* ============================================
   AfriPure Essentials — Layout (Header, Footer, Grid)
   ============================================ */

/* ---- Header / Navigation ---- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: var(--z-sticky);
  transition: all var(--transition-base);
}

.site-header.scrolled {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--shadow-sm);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
  gap: 40px;
}

.nav-logo {
  display: flex;
  align-items: center;
  z-index: var(--z-modal);
}

.nav-logo .logo-img {
  height: 44px;
  width: auto;
  display: block;
  transition: filter var(--transition-base);
}

/* ---- Brand Block & Tagline ---- */
.nav-brand-block {
  display: flex;
  flex-direction: column;
  gap: 2px;
  z-index: var(--z-modal);
}

.nav-tagline {
  font-family: var(--font-secondary);
  font-size: 10px;
  font-style: italic;
  font-weight: 400;
  color: var(--color-accent);
  letter-spacing: 0.06em;
  line-height: 1;
  padding-left: 2px;
}

/* Dark tagline for light-mode headers */
.site-header.scrolled .nav-tagline,
.site-header.header-solid .nav-tagline,
.site-header.header-light-hero:not(.scrolled) .nav-tagline {
  color: var(--color-accent);
}

/* Footer tagline */
.footer-tagline {
  font-family: var(--font-secondary);
  font-size: 11px;
  font-style: italic;
  color: var(--color-accent);
  letter-spacing: 0.04em;
  margin: 0 0 var(--space-5) !important;
}

/* Logo Filters */
.site-header.scrolled .nav-logo .logo-img,
.site-header.header-solid .nav-logo .logo-img,
.site-header.header-light-hero:not(.scrolled) .nav-logo .logo-img {
  filter: brightness(0);
}

.site-header.header-transparent:not(.header-light-hero):not(.scrolled) .nav-logo .logo-img {
  filter: brightness(0) invert(1);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-left: auto;
}

.nav-links a {
  font-family: var(--font-primary);
  font-size: calc(var(--fs-sm) + 2px);
  font-weight: var(--fw-medium);
  color: var(--color-gray-900);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
  position: relative;
}

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

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 20px;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-primary);
  transform: scale(1.05);
}

/* ---- Shop Button in Nav ---- */
.nav-links .btn-shop {
  background: var(--color-primary);
  color: var(--color-white) !important;
  font-weight: var(--fw-bold) !important;
  padding: var(--space-3) var(--space-8) !important;
  margin-left: var(--space-4);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.nav-links .btn-shop::after {
  display: none;
}

.nav-links .btn-shop:hover {
  background: var(--color-white);
  color: var(--color-primary) !important;
  transform: translateY(-2px) scale(1.05) !important;
  box-shadow: var(--shadow-md);
}

/* Header Text Colors */
.site-header.header-transparent:not(.header-light-hero):not(.scrolled) .nav-links a:not(.btn-shop),
.site-header.header-transparent:not(.header-light-hero):not(.scrolled) .cart-toggle {
  color: var(--color-white);
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}

.site-header.header-light-hero:not(.scrolled) .nav-links a:not(.btn-shop),
.site-header.header-light-hero:not(.scrolled) .cart-toggle {
  color: var(--color-secondary);
  text-shadow: none;
}

.site-header.scrolled .nav-links a:not(.btn-shop),
.site-header.header-solid .nav-links a:not(.btn-shop) {
  color: var(--color-secondary);
  text-shadow: none;
}

.site-header.scrolled .cart-toggle,
.site-header.header-solid .cart-toggle {
  color: var(--color-secondary) !important;
  text-shadow: none;
}

/* Hide mobile close button on desktop */
.close-menu {
  display: none;
}

.site-header.header-transparent:not(.scrolled) .nav-links a:not(.btn-shop):hover,
.site-header.header-light-hero:not(.scrolled) .nav-links a:not(.btn-shop):hover {
  color: var(--color-accent);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  z-index: var(--z-modal);
}

.cart-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: transparent;
  border-radius: var(--radius-full);
  color: inherit;
  font-size: 24px;
  cursor: pointer;
  transition: all var(--transition-base);
  z-index: var(--z-modal);
  gap: 6px;
  padding: var(--space-2);
}

.cart-count-badge {
  font-family: var(--font-primary);
  font-size: 14px;
  font-weight: var(--fw-bold);
  margin-top: 2px;
}

/* Mobile Menu Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 40px;
  height: 40px;
  cursor: pointer;
  z-index: var(--z-modal);
  transition: all var(--transition-base);
}

.nav-toggle span {
  display: block;
  width: 30px;
  height: 3px;
  background: var(--color-secondary);
  /* Default for Homepage Hero */
  border-radius: 4px;
  transition: all var(--transition-base);
  transform-origin: center;
}

/* Color Logic: White on non-homepage headers, Dark when scrolled */
.site-header.header-solid .nav-toggle span {
  background: var(--color-white);
}

.site-header.scrolled .nav-toggle span {
  background: var(--color-secondary);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translateY(6.5px);
}

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

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translateY(-6.5px);
}

.mobile-menu-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(4px);
  z-index: var(--z-overlay);
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

.site-header.header-solid {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-gray-100);
  box-shadow: var(--shadow-sm);
}

.header-shop-mobile {
  display: none;
}

/* ---- Footer ---- */
.site-footer {
  background: var(--color-secondary-dark);
  color: var(--color-gray-300);
  padding: var(--space-20) 0 var(--space-8);
  text-align: left;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-12);
  padding-bottom: var(--space-16);
}

.site-footer.footer-minimal {
  padding: var(--space-8) 0;
}

.site-footer.footer-minimal .footer-grid {
  display: none;
}

.footer-brand {
  max-width: 400px;
}

.footer-brand .nav-logo {
  justify-content: flex-start;
  margin-bottom: 2px;
}

.footer-brand .nav-logo img {
  width: 210px;
  height: auto;
  max-width: none;
  filter: brightness(0) invert(1);
}

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

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-400);
  font-size: var(--fs-md);
  transition: all var(--transition-base);
}

.footer-social a:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-3px);
}

.footer-column {
  width: 100%;
  text-align: right;
}

.footer-column h5 {
  color: var(--color-white);
  font-size: var(--fs-sm);
  text-transform: uppercase;
  letter-spacing: var(--ls-wide);
  margin-bottom: var(--space-6);
}

.footer-column ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: flex-end;
}

.footer-column a,
.footer-column li {
  font-size: var(--fs-sm);
  color: var(--color-gray-400);
  transition: all var(--transition-fast);
}

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

.footer-brand p {
  color: var(--color-gray-400);
  font-size: var(--fs-sm);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--space-8);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: var(--space-8) 0;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.footer-minimal .footer-bottom {
  border-top: none;
  padding-top: 0;
}

.footer-bottom p,
.footer-bottom-links a {
  font-size: var(--fs-xs);
  color: var(--color-gray-500);
}

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

.footer-bottom-links a:hover {
  color: var(--color-white);
}

/* ---- Grid & Utilities ---- */
.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);
}

.section {
  padding: var(--section-padding);
}

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

.section-dark {
  background: var(--color-secondary-dark);
  color: var(--color-gray-300);
}

/* ---- Hero ---- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(104deg, rgba(250, 247, 242, 0.91) 0%, rgba(250, 247, 242, 0.5) 100%);
}

@media (max-width: 768px) {
  .hero-overlay {
    background: rgba(250, 247, 242, 0.15);
  }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: left;
  padding-top: var(--space-32);
  padding-bottom: var(--space-24);
}

/* Ensure the container inside hero has proper layout */
.hero .container {
  display: flex !important;
  flex-direction: column;
  justify-content: center;
  height: 100%;
  padding-left: var(--gutter) !important;
  padding-right: var(--gutter) !important;
}


.hero-content h1 {
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  line-height: 1.1;
  margin-bottom: var(--space-6);
  color: var(--color-secondary);
}

.hero-content p {
  font-size: clamp(1rem, 2vw, 1.25rem);
  line-height: 1.6;
  max-width: 600px;
  color: var(--color-gray-700);
  margin-bottom: var(--space-8);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: flex-start;
  margin-top: 0;
}

.page-hero {
  position: relative;
  padding: calc(var(--nav-height) + var(--space-20)) 0 var(--space-20);
  overflow: hidden;
  text-align: center;
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(90, 70, 51, 0.75) 0%, rgba(90, 70, 51, 0.85) 100%);
}

.page-hero-content {
  position: relative;
  z-index: 2;
  color: var(--color-white);
}

.page-hero-content h1 {
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.page-hero-content p {
  color: rgba(255, 255, 255, 0.9);
  max-width: var(--max-width-text);
  margin: 0 auto;
  font-size: var(--fs-lg);
}

.page-hero-breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  font-family: var(--font-primary);
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, 0.6);
}

.page-hero-breadcrumb.left {
  justify-content: flex-start;
  color: var(--color-gray-500);
}

.page-hero-breadcrumb a {
  color: var(--color-accent);
}

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

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

@media (max-width: 768px) {

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    padding: var(--space-12) var(--space-8);
    background: var(--color-white);
    box-shadow: none;
    transition: right var(--transition-base);
    z-index: 2000;
    /* Higher than header icons */
    overflow-x: hidden;
    overflow-y: auto;
  }

  .nav-links.active {
    right: 0;
  }

  .nav-links a {
    display: block;
    font-size: var(--fs-lg);
    padding: var(--space-3) var(--space-4);
    width: 100%;
    text-align: center !important;
    color: #000 !important;
    text-shadow: none !important;
    box-shadow: none !important;
  }

  .nav-links .btn-shop {
    max-width: 70%;
    /* Reduced by 30% */
    margin: var(--space-4) auto !important;
  }

  .nav-links a::after {
    left: 50%;
    transform: translateX(-50%);
    bottom: 8px;
  }

  /* Close Button in drawer */
  .close-menu {
    display: block;
    position: absolute;
    top: var(--space-6);
    right: var(--space-6);
    background: none;
    border: none;
    font-size: 30px;
    color: #000;
    cursor: pointer;
    line-height: 1;
    z-index: 2001;
  }

  .nav-cta {
    order: 3;
  }

  .nav-toggle {
    display: flex;
    order: 2;
    margin-left: auto;
  }

  .nav-logo {
    order: 1;
  }

  .header-shop-mobile {
    display: none !important;
  }

  .mobile-menu-overlay {
    display: block;
  }

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

  .footer-column {
    text-align: center;
  }

  .footer-column ul {
    align-items: center;
  }

  .footer-brand {
    margin: 0 auto;
    text-align: center;
  }

  .footer-brand .nav-logo {
    justify-content: center;
  }

  .footer-social {
    justify-content: center;
  }

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

  .hero {
    min-height: 90vh;
  }

  /* Force Hero text and buttons to center on mobile viewport only */
  .hero-content {
    text-align: center !important;
  }

  .hero-content h1 {
    font-size: var(--fs-3xl);
  }

  .hero-content p {
    margin: 0 auto var(--space-8) auto !important;
  }

  .hero-actions {
    justify-content: center !important;
  }

  /* Specific rule to center the section label with line */
  .hero-content .section-label {
    justify-content: center !important;
  }

  .hero-overlay {
    background: linear-gradient(180deg, rgba(250, 247, 242, 0.95) 0%, rgba(250, 247, 242, 0.85) 100%);
  }
}