/* ==========================================================================
   Green Rudraksha Charitable Trust - Responsive Stylesheet
   ========================================================================== */

/* ==========================================================================
   Mobile Navigation Drawer (Base hidden)
   ========================================================================== */
.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  max-width: 85vw;
  height: 100vh;
  height: 100dvh;
  background-color: #FFFFFF;
  box-shadow: -5px 0 25px rgba(0, 0, 0, 0.15);
  z-index: 1500;
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  transition: right var(--transition-normal);
  overflow-y: auto;
}

.mobile-nav-drawer.open {
  right: 0;
}

.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1400;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.mobile-nav-overlay.open {
  opacity: 1;
  visibility: visible;
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--card-border);
}

.mobile-drawer-header img {
  height: 36px !important;
  max-height: 36px !important;
  width: auto !important;
  max-width: 150px !important;
  object-fit: contain;
  display: block;
}

.mobile-close-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--heading-color);
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.mobile-nav-link,
.mobile-site-nav-link {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--heading-color);
  padding: 0.5rem 0;
  border-bottom: 1px solid #F1F5F9;
  transition: color var(--transition-fast);
}

.mobile-nav-link:hover, .mobile-nav-link.active,
.mobile-site-nav-link:hover, .mobile-site-nav-link.active {
  color: var(--primary-color);
  padding-left: 0.5rem;
}

.mobile-drawer-cta {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* ==========================================================================
   Breakpoints
   ========================================================================== */

/* Medium Laptops & Desktops (<= 1200px) */
@media (max-width: 1200px) {
  .nav-menu {
    gap: 1.1rem;
  }
  .nav-link,
  .site-nav-link {
    font-size: 0.88rem;
  }
  .btn-donate-header {
    padding: 0.55rem 1.15rem;
    font-size: 0.88rem;
  }
}

/* Laptops & Small Desktops (<= 1050px) */
@media (max-width: 1050px) {
  .nav-menu {
    gap: 0.75rem;
  }
  .nav-link,
  .site-nav-link {
    font-size: 0.82rem;
  }
  .btn-donate-header {
    padding: 0.5rem 0.9rem;
    font-size: 0.82rem;
  }
  .navbar,
  .header-container {
    gap: 0.5rem;
  }
  
  .about-intro-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .about-intro-card img {
    height: 380px;
  }

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

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

  .youtube-section-grid {
    grid-template-columns: 1fr;
  }

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

  .contact-layout-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }

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

/* Tablets Landscape & Portrait (<= 991px) - Clean collapse to mobile drawer */
@media (max-width: 991px) {
  .nav-menu {
    display: none !important;
  }

  .mobile-toggle {
    display: flex !important;
  }

  .btn-donate-header {
    padding: 0.5rem 1rem;
    font-size: 0.84rem;
  }
}

/* Tablets Portrait & Large Phones (<= 768px) */
@media (max-width: 768px) {
  .top-bar-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .top-bar-contact {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
    width: 100%;
  }

  .top-bar-social {
    width: 100%;
  }

  .nav-actions .btn-donate-header {
    display: none;
  }

  .site-brand-logo img,
  .brand-logo img {
    height: 38px !important;
    max-height: 38px !important;
  }

  .navbar,
  .header-container {
    height: 60px;
  }

  .mobile-toggle {
    display: flex;
  }

  .hero-section {
    min-height: 75vh;
    padding: 4rem 0;
  }

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

  .blogs-catalog-grid,
  .course-grid {
    grid-template-columns: 1fr;
  }

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

  .form-row, .form-row-3 {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

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

  .legal-card, .form-card, .qr-card, .trust-card {
    padding: 2rem 1.5rem;
  }

  .blog-search-bar {
    padding: 1.25rem;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 0.75rem;
  }
}

/* Small Phones (<= 480px) */
@media (max-width: 480px) {
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .frequency-group {
    flex-direction: column;
  }

  .site-brand-logo img,
  .brand-logo img {
    height: 34px !important;
    max-height: 34px !important;
  }

  .navbar,
  .header-container {
    height: 54px;
  }

  .qr-img-wrapper img {
    width: 180px;
  }
}