/* ==========================================================================
   Layout Styles - Header, Navigation, Hero, Sections, Footer
   ========================================================================== */

/* Header */
.na-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: 76px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  border-bottom: 1px solid var(--na-border);
  z-index: var(--na-z-header);
  display: flex;
  align-items: center;
  transition: height var(--na-dur-base) var(--na-ease-out), box-shadow var(--na-dur-base) var(--na-ease-out);
}

.na-header.is-scrolled {
  height: 60px;
  box-shadow: var(--na-shadow-sm);
  background: rgba(255, 255, 255, 0.98);
}

.na-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.na-brand-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.na-brand-logo img {
  height: 52px;
  width: auto;
  object-fit: contain;
  transition: height var(--na-dur-base) var(--na-ease-out);
}

.na-header.is-scrolled .na-brand-logo img {
  height: 44px;
}

/* Navigation Links */
.na-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.na-nav-link {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--na-text-main);
  position: relative;
  padding: 6px 0;
  transition: color var(--na-dur-micro) var(--na-ease-out);
}

.na-nav-link:hover, .na-nav-link.is-active {
  color: var(--na-brand);
}

.na-nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--na-brand);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--na-dur-base) var(--na-ease-out);
}

.na-nav-link:hover::after, .na-nav-link.is-active::after {
  transform: scaleX(1);
}

/* Header CTAs */
.na-header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Mobile Nav Toggle */
.na-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 40px;
  height: 40px;
  cursor: pointer;
  padding: 6px;
  border-radius: var(--na-radius-sm);
  background: transparent;
}

.na-hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--na-text-main);
  border-radius: 2px;
  transition: transform var(--na-dur-base) var(--na-ease-spring), opacity var(--na-dur-base) var(--na-ease-out);
}

.na-hamburger.is-active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.na-hamburger.is-active span:nth-child(2) {
  opacity: 0;
}
.na-hamburger.is-active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Drawer */
.na-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 360px;
  height: 100vh;
  background: var(--na-surface);
  z-index: var(--na-z-drawer);
  box-shadow: var(--na-shadow-float);
  padding: 80px 28px 40px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  transition: right var(--na-dur-base) var(--na-ease-spring);
  overflow-y: auto;
}

.na-drawer.is-open {
  right: 0;
}

.na-drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(31, 42, 107, 0.45);
  backdrop-filter: blur(4px);
  z-index: calc(var(--na-z-drawer) - 1);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--na-dur-base) var(--na-ease-out);
}

.na-drawer-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

@media (max-width: 991px) {
  .na-nav, .na-header-actions .na-header-contact {
    display: none;
  }
  .na-hamburger {
    display: flex;
  }
}

/* Section Rhythm */
.na-section {
  padding-top: var(--na-section-y);
  padding-bottom: var(--na-section-y);
  position: relative;
  overflow: hidden;
}

/* Background Pattern for Alternate Sections (.na-section-alt) */
.na-section-alt {
  background-color: #FFFFFF;
  background-image: 
    radial-gradient(circle at 50% 50%, rgba(59, 47, 128, 0.055) 1.5px, transparent 1.5px),
    linear-gradient(180deg, rgba(247, 248, 252, 0.6) 0%, rgba(255, 255, 255, 0.95) 100%);
  background-size: 26px 26px, 100% 100%;
}

/* Background Pattern for Tinted Sections (.na-section-tint) */
.na-section-tint {
  background-color: var(--na-bg-tint);
  background-image: 
    linear-gradient(90deg, rgba(59, 47, 128, 0.04) 1px, transparent 1px),
    linear-gradient(0deg, rgba(59, 47, 128, 0.04) 1px, transparent 1px);
  background-size: 32px 32px;
}

/* Background Watermark Decorative SVGs & Icons */
.na-bg-decor {
  position: absolute;
  pointer-events: none;
  user-select: none;
  z-index: 0;
  color: var(--na-brand);
  opacity: 0.045;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
}

.na-bg-decor-top-right {
  top: -20px;
  right: -20px;
}

.na-bg-decor-top-left {
  top: -20px;
  left: -20px;
}

.na-bg-decor-bottom-right {
  bottom: -20px;
  right: -20px;
}

.na-bg-decor-bottom-left {
  bottom: -20px;
  left: -20px;
}

.na-bg-decor-center-right {
  top: 50%;
  right: 2%;
  transform: translateY(-50%);
}

.na-bg-decor-center-left {
  top: 50%;
  left: 2%;
  transform: translateY(-50%);
}

.na-bg-decor-float-1 {
  animation: naFloatSlow 14s ease-in-out infinite alternate;
}

.na-bg-decor-float-2 {
  animation: naFloatReverse 16s ease-in-out infinite alternate;
}

/* Hero Section */
.na-hero {
  position: relative;
  background: radial-gradient(circle at 10% 20%, rgba(255, 255, 255, 0.82) 0%, transparent 45%),
              radial-gradient(circle at 90% 80%, rgba(59, 47, 128, 0.08) 0%, transparent 50%),
              linear-gradient(135deg, #FFFDF8 0%, #FFF5D6 25%, #FFE57E 55%, #FFD443 80%, #F5B201 100%);
  padding-top: 42px;
  padding-bottom: 46px;
  overflow: hidden;
}

.na-hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 36px;
  position: relative;
  z-index: 2;
}

.na-hero-title {
  margin-bottom: 14px;
  line-height: 1.18;
  font-size: clamp(1.75rem, 3.2vw, 2.35rem);
}

.na-hero-lead {
  font-size: 1.05rem;
  color: var(--na-text-main);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.na-typewriter {
  font-weight: 800;
  color: var(--na-brand);
  border-bottom: 2px solid var(--na-brand);
}

.na-typewriter-caret {
  display: inline-block;
  width: 2px;
  height: 1.2em;
  background: var(--na-brand);
  animation: naBlink 1s infinite;
  vertical-align: middle;
}

/* Floating Relevant Hero Icons */
.na-hero-float-icon {
  position: absolute;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1.5px solid rgba(255, 255, 255, 0.95);
  box-shadow: 0 8px 24px -4px rgba(31, 42, 107, 0.16);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--na-brand);
  z-index: 1;
  pointer-events: none;
}

.na-float-icon-1 {
  top: 10%;
  left: 3%;
  animation: naFloatSlow 6s ease-in-out infinite alternate;
}

.na-float-icon-2 {
  bottom: 12%;
  left: 5%;
  color: #D97706;
  animation: naFloatReverse 7s ease-in-out infinite alternate;
}

.na-float-icon-3 {
  top: 12%;
  right: 5%;
  animation: naFloatSlow 8s ease-in-out infinite alternate 1s;
}

.na-float-icon-4 {
  bottom: 14%;
  right: 8%;
  color: #2563EB;
  animation: naFloatReverse 6.5s ease-in-out infinite alternate 0.5s;
}

.na-float-icon-5 {
  top: 45%;
  left: 48%;
  opacity: 0.7;
  color: var(--na-success);
  animation: naFloatSlow 9s ease-in-out infinite alternate 2s;
}

@keyframes naFloatSlow {
  0% { transform: translateY(0px) rotate(0deg); }
  100% { transform: translateY(-14px) rotate(6deg); }
}

/* Hero Search Box */
.na-hero-search-wrapper {
  position: relative;
  margin-bottom: 22px;
  max-width: 560px;
}

.na-hero-search-box {
  display: flex;
  align-items: center;
  background: var(--na-surface);
  border-radius: var(--na-radius-full);
  padding: 4px 6px 4px 18px;
  box-shadow: var(--na-shadow-float);
  border: 2px solid transparent;
  transition: border-color var(--na-dur-micro), box-shadow var(--na-dur-micro);
}

.na-hero-search-box:focus-within {
  border-color: var(--na-brand);
  box-shadow: var(--na-shadow-hover);
}

.na-hero-search-input {
  flex: 1;
  height: 44px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--na-text-main);
}

.na-hero-search-input::placeholder {
  color: var(--na-text-dim);
}

.na-search-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  width: 100%;
  background: var(--na-surface);
  border-radius: var(--na-radius-lg);
  box-shadow: var(--na-shadow-float);
  border: 1px solid var(--na-border);
  padding: 16px;
  max-height: 400px;
  overflow-y: auto;
  z-index: 100;
  display: none;
}

.na-search-dropdown.is-active {
  display: block;
}

/* Hero CTAs */
.na-hero-ctas {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 22px;
  flex-wrap: wrap;
}

/* Trust Strip */
.na-trust-strip {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--na-text-main);
}

.na-trust-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.na-trust-item svg {
  color: var(--na-brand);
}

/* Hero Visual & 3D Designer Composition */
.na-hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.na-hero-3d-stage {
  position: relative;
  perspective: 1200px;
  transform-style: preserve-3d;
  width: 100%;
  max-width: 440px;
  margin: 0 auto;
}

.na-hero-designer-card {
  position: relative;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 24px;
  padding: 26px 24px;
  box-shadow: 0 24px 50px -12px rgba(31, 42, 107, 0.16),
              0 0 0 1px rgba(255, 255, 255, 0.9),
              0 1px 3px rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(255, 210, 63, 0.35);
  transform-style: preserve-3d;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
  z-index: 2;
}

.na-hero-designer-card:hover {
  box-shadow: 0 32px 64px -14px rgba(31, 42, 107, 0.22),
              0 0 0 1.5px rgba(255, 210, 63, 0.5);
}

/* Floating Designer Badges */
.na-hero-float-badge {
  position: absolute;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-radius: 16px;
  padding: 10px 14px;
  box-shadow: 0 16px 36px -6px rgba(31, 42, 107, 0.18), 0 0 0 1px rgba(255, 255, 255, 0.95);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 4;
  pointer-events: auto;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s ease;
}

.na-hero-float-badge:hover {
  transform: translate3d(0, -4px, 50px) scale(1.03) !important;
  box-shadow: 0 22px 42px -6px rgba(31, 42, 107, 0.25);
}

.na-float-badge-top {
  top: -24px;
  right: -24px;
  animation: naFloatBadgeTop 5s ease-in-out infinite alternate;
  border-left: 3.5px solid #059669;
}

.na-float-badge-bottom {
  bottom: -24px;
  left: -24px;
  animation: naFloatBadgeBottom 6s ease-in-out infinite alternate 0.5s;
  border-left: 3.5px solid #D97706;
}

@keyframes naFloatBadgeTop {
  0% { transform: translate3d(0, 0, 30px) rotate(0deg); }
  100% { transform: translate3d(0, -10px, 30px) rotate(1.5deg); }
}

@keyframes naFloatBadgeBottom {
  0% { transform: translate3d(0, 0, 40px) rotate(0deg); }
  100% { transform: translate3d(0, 10px, 40px) rotate(-1.5deg); }
}

/* Interactive Hero Program Tabs */
.na-hero-tab-pill {
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 11px;
  font-weight: 700;
  border: 1px solid transparent;
  background: transparent;
  color: var(--na-text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
}

.na-hero-tab-pill:hover {
  color: var(--na-brand);
  background: rgba(59, 47, 128, 0.05);
}

.na-hero-tab-pill.is-active {
  background: var(--na-brand);
  color: #FFFFFF;
  box-shadow: 0 4px 12px rgba(59, 47, 128, 0.25);
}

/* Hero Side Ambient Accents & Grid */
.na-hero-side-accent {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 220px;
  pointer-events: none;
  z-index: 1;
}

.na-hero-side-left {
  left: 0;
  background: radial-gradient(circle at 0% 40%, rgba(255, 210, 63, 0.35) 0%, transparent 75%);
}

.na-hero-side-right {
  right: 0;
  background: radial-gradient(circle at 100% 60%, rgba(59, 47, 128, 0.12) 0%, transparent 75%);
}

.na-hero-decor-grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(59, 47, 128, 0.08) 1.5px, transparent 1.5px);
  background-size: 28px 28px;
  opacity: 0.55;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 40%, transparent 100%);
}

/* Backward compatibility for original hero card */
.na-hero-card {
  background: var(--na-surface);
  border-radius: var(--na-radius-xl);
  padding: 24px;
  box-shadow: var(--na-shadow-float);
  border: 1px solid rgba(255, 255, 255, 0.8);
  width: 100%;
  max-width: 420px;
  position: relative;
}

@media (max-width: 991px) {
  .na-hero-grid {
    grid-template-columns: 1fr;
  }
  .na-hero-float-icon {
    display: none;
  }
}

/* ==========================================================================
   Section Layouts - Who We Are, Process, Testimonials, Notices, Stats
   ========================================================================== */

/* Who We Are (About Section) */
.na-about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 56px;
  position: relative;
}

.na-about-info {
  min-width: 0;
}

.na-about-heading {
  font-size: clamp(1.4rem, 2.2vw, 1.85rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 14px;
  color: var(--na-text-main);
  word-break: break-word;
}

.na-about-text,
.na-about-subtext {
  font-size: var(--na-text-base);
  color: var(--na-text-body);
  line-height: 1.75;
  margin-bottom: 18px;
}

.na-about-features {
  display: flex;
  gap: 24px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.na-about-feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
}

.na-about-feature-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--na-success-bg);
  color: var(--na-success);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.na-about-feature-label {
  font-weight: 700;
  color: var(--na-text-main);
  font-size: var(--na-text-sm);
}

.na-about-visual-wrapper {
  position: relative;
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  box-sizing: border-box;
}

.na-about-backdrop {
  position: absolute;
  inset: -8px;
  background: var(--na-sun);
  border-radius: var(--na-radius-xl);
  transform: rotate(-2deg);
  z-index: 1;
}

.na-about-card {
  position: relative;
  z-index: 2;
  background: var(--na-brand);
  color: #FFFFFF;
  border-radius: var(--na-radius-xl);
  box-shadow: var(--na-shadow-float);
  padding: 40px 32px;
  box-sizing: border-box;
}

.na-about-card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--na-radius-md);
  background: rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: #FFFFFF;
}

.na-about-card-title {
  color: #FFFFFF;
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 14px;
  word-break: break-word;
}

.na-about-card-desc {
  color: #E2E8F0;
  font-size: var(--na-text-base);
  line-height: 1.65;
  margin-bottom: 24px;
}

.na-about-card-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.na-about-card-meta {
  font-size: var(--na-text-sm);
  font-weight: 600;
  color: #FFFFFF;
}

@media (max-width: 991px) {
  .na-about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .na-about-visual-wrapper {
    max-width: 520px;
  }
}

@media (max-width: 640px) {
  .na-about-grid {
    gap: 32px;
  }
  .na-about-heading {
    font-size: 1.65rem;
    margin-bottom: 16px;
  }
  .na-about-visual-wrapper {
    max-width: 100%;
    padding: 4px;
  }
  .na-about-backdrop {
    inset: 0;
    transform: rotate(-1.5deg);
    border-radius: var(--na-radius-lg);
  }
  .na-about-card {
    padding: 24px 20px;
    border-radius: var(--na-radius-lg);
  }
  .na-about-card-title {
    font-size: 1.25rem;
  }
  .na-about-features {
    gap: 16px;
    margin-bottom: 24px;
  }
}

/* Process Roadmap Grid */
.na-process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

@media (max-width: 991px) {
  .na-process-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

@media (max-width: 576px) {
  .na-process-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

/* Testimonials Grid */
.na-testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 991px) {
  .na-testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

@media (max-width: 640px) {
  .na-testimonials-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

/* Notices & Latest Articles Grid */
.na-notices-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 991px) {
  .na-notices-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

@media (max-width: 640px) {
  .na-notices-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

/* Hero Stats Grid */
.na-hero-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 20px;
}

@media (max-width: 420px) {
  .na-hero-stats-grid {
    gap: 8px;
  }
}

/* University Detail Key Metrics Grid */
.na-uni-metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  background: var(--na-bg);
  padding: 18px;
  border-radius: var(--na-radius-md);
  border: 1px solid var(--na-border);
}

@media (max-width: 768px) {
  .na-uni-metrics-grid {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 14px;
  }
}

/* Footer */
.na-footer {
  background: linear-gradient(180deg, var(--na-brand) 0%, #20184A 100%);
  color: #FFFFFF;
  padding-top: 64px;
  padding-bottom: 32px;
  margin-top: auto;
}

.na-footer p {
  color: rgba(255, 255, 255, 0.85) !important;
}

.na-footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 48px;
}

@media (max-width: 991px) {
  .na-footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}
@media (max-width: 576px) {
  .na-footer-grid {
    grid-template-columns: 1fr;
  }
}

.na-footer-col h4 {
  color: #FFFFFF;
  font-size: var(--na-text-base);
  font-weight: 700;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.na-footer-col p {
  color: rgba(255, 255, 255, 0.88) !important;
}

.na-footer-col strong {
  color: #FFFFFF;
  font-weight: 600;
}

.na-footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.na-footer-links a {
  color: rgba(255, 255, 255, 0.82);
  font-size: var(--na-text-sm);
  transition: color var(--na-dur-micro);
}

.na-footer-links a:hover {
  color: var(--na-sun);
}

.na-disclaimer-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--na-radius-md);
  padding: 18px 24px;
  margin-bottom: 32px;
  font-size: var(--na-text-xs);
  line-height: 1.6;
  text-align: center;
  color: rgba(255, 255, 255, 0.92);
}

.na-disclaimer-card p {
  color: rgba(255, 255, 255, 0.92) !important;
}

.na-disclaimer-card strong {
  color: var(--na-sun);
  font-weight: 700;
}

.na-footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: var(--na-text-xs);
  color: rgba(255, 255, 255, 0.75);
}

.na-footer-bottom a {
  color: rgba(255, 255, 255, 0.75);
  transition: color var(--na-dur-micro);
}

.na-footer-bottom a:hover {
  color: var(--na-sun);
}

/* ==========================================================================
   Comprehensive Mobile & Tablet Responsive Enhancements
   ========================================================================== */

@media (max-width: 991px) {
  .na-header-inner {
    padding: 0 4px;
  }
  
  .na-hero-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .na-hero-visual {
    max-width: 540px;
    margin: 0 auto;
    width: 100%;
  }
}

@media (max-width: 768px) {
  .na-section {
    padding-top: 48px;
    padding-bottom: 48px;
  }
  
  .na-section-header {
    margin-bottom: 28px;
  }

  .na-hero {
    padding-top: 40px;
    padding-bottom: 48px;
  }

  .na-hero-title {
    font-size: clamp(1.85rem, 6.5vw, 2.6rem);
  }

  .na-hero-lead {
    font-size: 1.0625rem;
  }

  .na-bg-decor {
    display: none; /* Hide decorative background watermark SVGs on mobile/tablet to avoid overflow and save GPU */
  }

  .na-detail-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .na-sidebar-card {
    position: static;
  }
}

@media (max-width: 576px) {
  .na-container {
    padding-left: 14px;
    padding-right: 14px;
  }

  .na-hero {
    padding-top: 24px;
    padding-bottom: 36px;
  }

  .na-hero-search-wrapper {
    margin-bottom: 20px;
    width: 100%;
  }

  .na-hero-search-box {
    padding: 4px 6px 4px 14px;
  }

  .na-hero-search-input {
    height: 42px;
    font-size: 16px; /* Prevents auto-zoom in iOS Safari */
  }

  .na-hero-ctas {
    flex-direction: column;
    gap: 10px;
    width: 100%;
  }

  .na-hero-ctas .na-btn {
    width: 100%;
  }

  .na-trust-strip {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .na-trust-item {
    font-size: 0.8125rem;
  }

  /* Horizontal touch scrolling for category filter pills */
  .na-filter-tabs {
    justify-content: flex-start;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 8px;
    margin-bottom: 24px;
    scrollbar-width: none;
  }
  
  .na-filter-tabs::-webkit-scrollbar {
    display: none;
  }

  .na-tab-pill {
    flex-shrink: 0;
    white-space: nowrap;
    padding: 8px 16px;
    font-size: 0.8125rem;
  }

  /* Modal Mobile Responsiveness */
  .na-modal-dialog {
    padding: 24px 16px;
    max-height: 94vh;
    border-radius: var(--na-radius-md);
  }

  .na-modal-close {
    top: 12px;
    right: 12px;
    width: 32px;
    height: 32px;
  }

  .na-category-tile {
    height: auto;
    min-height: 180px;
    padding: 20px 18px;
  }

  .na-floating-actions {
    bottom: 16px;
    right: 14px;
    gap: 10px;
  }

  .na-fab {
    width: 46px;
    height: 46px;
  }

  /* Footer on mobile */
  .na-footer {
    padding-top: 48px;
    padding-bottom: 24px;
  }

  .na-footer-bottom {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 12px;
  }
}