/* 
  AirPresta - Premium Indoor Environmental & Biophilic Design System
  Theme: Premium Emerald & Minimalist Obsidian
  Colors: Deep Obsidian (#060907), Emerald Mist (#10b981), Mint Breeze (#34d399), Forest Dark (#062c1e)
*/

:root {
  --bg-dark: #060907;
  --bg-card: linear-gradient(135deg, rgba(10, 20, 15, 0.7) 0%, rgba(6, 12, 10, 0.9) 100%);
  --bg-card-hover: linear-gradient(135deg, rgba(16, 32, 24, 0.8) 0%, rgba(10, 20, 16, 0.95) 100%);
  --bg-glass: rgba(255, 255, 255, 0.01);
  --border-glass: rgba(255, 255, 255, 0.06);
  --border-glow: rgba(16, 185, 129, 0.25);
  
  --primary-emerald: #10b981;
  --primary-mint: #34d399;
  --accent-forest: #062c1e;
  --accent-gradient: linear-gradient(135deg, #34d399 0%, #064e3b 100%);
  --emerald-glow: 0 8px 32px rgba(16, 185, 129, 0.05);
  --hover-glow: 0 12px 40px rgba(52, 211, 153, 0.12);
  
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-light: #64748b;
  
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-serif: 'Playfair Display', Georgia, Cambria, "Times New Roman", Times, serif;
  --radius-sm: 6px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 9999px;
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

p, h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
  word-wrap: break-word;
}

html, body {
  overflow-x: hidden;
  max-width: 100%;
  width: 100%;
  position: relative;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Background Depth Overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at 50% 25%, rgba(16, 185, 129, 0.04) 0%, rgba(6, 9, 7, 0.98) 100%);
  z-index: -1;
  pointer-events: none;
}

h1, h2, h3, h4 {
  color: #ffffff;
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 1.2;
}

h1 { font-size: clamp(2.4rem, 5.5vw, 3.6rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.2rem); letter-spacing: -0.01em; }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }

p {
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.65;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

.text-gradient {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  box-shadow: var(--emerald-glow);
  transition: var(--transition-normal);
}

.glass-panel:hover {
  border-color: var(--border-glow);
  box-shadow: var(--hover-glow);
  transform: translateY(-2px);
}

/* Fullscreen Background Particles Canvas */
#clean-air-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -2;
  pointer-events: none;
}

/* Container Layout */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header & Menu Styling */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  transition: var(--transition-normal);
  padding: 1.5rem 0;
}

.site-header.scrolled {
  padding: 0.75rem 0;
  background: rgba(6, 9, 7, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.header-wrapper {
  background: transparent;
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 600;
  color: #ffffff;
  letter-spacing: 0.02em;
}

.brand-logo svg {
  height: 32px;
  width: auto;
}

.brand-logo span {
  font-weight: 500;
}

.brand-logo .brand-highlight {
  color: var(--primary-mint);
  font-weight: 600;
}

nav {
  display: flex;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2.2rem;
  align-items: center;
}

.nav-link {
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link:hover, .nav-link.active {
  color: #ffffff;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gradient);
  transition: var(--transition-fast);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.btn-primary, .btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  transition: var(--transition-normal);
}

.btn-primary {
  background: var(--accent-gradient);
  color: #060907;
  border: none;
  box-shadow: 0 4px 14px rgba(52, 211, 153, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(52, 211, 153, 0.5);
  background: linear-gradient(135deg, #4ade80 0%, #047857 100%);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.03);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: #ffffff;
  cursor: pointer;
  padding: 0.25rem;
}

.mobile-toggle svg {
  width: 24px;
  height: 24px;
}

/* Hero Section */
.hero-section {
  padding: 10rem 0 6rem 0;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  align-self: flex-start;
  background: rgba(16, 185, 129, 0.06);
  border: 1px solid rgba(16, 185, 129, 0.15);
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary-mint);
}

.badge-dot {
  width: 6px;
  height: 6px;
  background-color: var(--primary-mint);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--primary-mint);
  animation: pulse 2s infinite;
}

.hero-content h1 {
  line-height: 1.15;
}

.hero-content p {
  font-size: 1.05rem;
  font-weight: 300;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.hero-stats {
  display: flex;
  gap: 3rem;
  margin-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 2rem;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.stat-number {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 600;
  line-height: 1;
}

.stat-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-light);
}

/* Hero Showcase Card */
.hero-showcase-card {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  position: relative;
  overflow: hidden;
  transform: rotate(1deg);
}

.hero-showcase-card::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(52, 211, 153, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.showcase-image-box {
  width: 100%;
  height: 240px;
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
}

.showcase-image-box svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background-color: var(--accent-forest);
}

.showcase-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(6, 9, 7, 0.75);
  backdrop-filter: blur(8px);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* Section Common */
section {
  padding: 6rem 0;
}

.section-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
  margin-bottom: 4rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  width: 100%;
}

.section-header h1,
.section-header h2,
.section-header h3,
.section-header p {
  width: 100%;
  align-self: stretch;
}

.section-header h2 {
  line-height: 1.2;
}

.section-header p {
  font-size: 1.05rem;
  font-weight: 300;
}

/* Bento Grid */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 2rem;
}

.bento-card {
  padding: 2.2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.bento-card.col-span-2 {
  grid-column: span 2;
}

.bento-icon {
  width: 48px;
  height: 48px;
  background: rgba(16, 185, 129, 0.06);
  border: 1px solid rgba(16, 185, 129, 0.15);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-mint);
  margin-bottom: 0.5rem;
}

.bento-icon svg {
  width: 24px;
  height: 24px;
}

.bento-card h3 {
  font-size: 1.35rem;
  color: #ffffff;
}

.bento-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.bento-card ul li {
  font-size: 0.9rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.bento-card ul li::before {
  content: '';
  width: 5px;
  height: 5px;
  background-color: var(--primary-emerald);
  border-radius: 50%;
}

.bento-showcase {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  align-items: center;
}

/* Environmental Science Explorer */
.explorer-grid {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 3rem;
  align-items: flex-start;
}

.explorer-tabs {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.explorer-tab-btn {
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  text-align: left;
  cursor: pointer;
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.explorer-tab-btn:hover {
  background: rgba(255, 255, 255, 0.03);
  border-color: rgba(16, 185, 129, 0.15);
}

.explorer-tab-btn.active {
  background: rgba(16, 185, 129, 0.04);
  border-color: var(--primary-emerald);
  box-shadow: var(--emerald-glow);
}

.explorer-tab-btn .tab-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 500;
  color: #ffffff;
  transition: var(--transition-fast);
}

.explorer-tab-btn.active .tab-title {
  color: var(--primary-mint);
}

.explorer-tab-btn .tab-subtitle {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-light);
}

.explorer-content-card {
  padding: 3rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  min-height: 380px;
  justify-content: center;
}

.botanical-name {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--primary-mint);
  font-size: 1rem;
}

.science-spec-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 1.5rem;
}

.spec-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.spec-val {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: #ffffff;
  font-weight: 500;
}

.spec-lbl {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-light);
}

/* Call To Action */
.cta-section {
  padding: 4rem 0 8rem 0;
}

.cta-box {
  padding: 4rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.03) 0%, transparent 60%);
  pointer-events: none;
}

.cta-box h2 {
  font-size: clamp(2rem, 4vw, 2.6rem);
  max-width: 650px;
}

.cta-box p {
  max-width: 500px;
  font-size: 1.05rem;
  font-weight: 300;
}

/* Legal & Information Template Structure */
.legal-container {
  max-width: 800px;
  margin: 10rem auto 8rem auto;
  padding: 0 1.5rem;
}

.legal-title {
  font-size: clamp(2rem, 5vw, 2.8rem);
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.space-y-12 > * + * {
  margin-top: 3rem;
}

.space-y-6 > * + * {
  margin-top: 1.5rem;
}

.legal-section-title {
  font-size: 1.35rem;
  color: #ffffff;
  margin-bottom: 1rem;
}

.legal-text {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-muted);
}

.legal-list {
  list-style: none;
  padding-left: 1.25rem;
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.legal-list li {
  font-size: 0.95rem;
  color: var(--text-muted);
  position: relative;
}

.legal-list li::before {
  content: "•";
  color: var(--primary-emerald);
  font-weight: bold;
  display: inline-block;
  width: 1em;
  margin-left: -1em;
}

/* Contact Page Structure */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3rem;
  align-items: stretch;
}

.contact-info-panel {
  padding: 3rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.contact-detail-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.contact-icon-box {
  width: 42px;
  height: 42px;
  background: rgba(16, 185, 129, 0.05);
  border: 1px solid rgba(16, 185, 129, 0.15);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-mint);
  flex-shrink: 0;
}

.contact-icon-box svg {
  width: 20px;
  height: 20px;
}

.contact-text-box {
  flex: 1;
  min-width: 0;
}

.contact-info-header {
  display: block;
  width: 100%;
  align-self: stretch;
}

.contact-info-header h3 {
  margin-bottom: 0.5rem;
}

.contact-info-header p,
.contact-text-box p {
  width: 100%;
}

.contact-text-box h4 {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #ffffff;
  margin-bottom: 0.25rem;
}

.contact-text-box p {
  font-size: 0.9rem;
  line-height: 1.5;
}

.contact-form-panel {
  padding: 3rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-weight: 500;
}

.form-input, .form-select, .form-textarea {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  color: #ffffff;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  transition: var(--transition-fast);
  outline: none;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--primary-emerald);
  background: rgba(255, 255, 255, 0.04);
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.1);
}

.form-select option {
  background-color: var(--bg-dark);
  color: #ffffff;
}

/* Site Footer */
.site-footer {
  background: #040605;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  padding: 5rem 0 3rem 0;
  position: relative;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 0.5fr 0.5fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.footer-brand p {
  max-width: 320px;
  font-size: 0.9rem;
}

.footer-title {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #ffffff;
  margin-bottom: 1.5rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-links a:hover {
  color: var(--primary-mint);
  transform: translateX(3px);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  padding-top: 2rem;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-legal-links {
  display: flex;
  gap: 2rem;
}

.footer-legal-links a {
  font-size: 0.75rem;
  color: var(--text-light);
}

.footer-legal-links a:hover {
  color: var(--primary-mint);
}

/* Pulser keyframes */
@keyframes pulse {
  0% { transform: scale(0.9); opacity: 0.7; box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.4); }
  70% { transform: scale(1); opacity: 1; box-shadow: 0 0 0 8px rgba(52, 211, 153, 0); }
  100% { transform: scale(0.9); opacity: 0.7; box-shadow: 0 0 0 0 rgba(52, 211, 153, 0); }
}

/* RESPONSIVE DESIGN */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 2.5rem;
  }
  .bento-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .bento-card.col-span-2 {
    grid-column: span 2;
  }
  .explorer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .explorer-tabs {
    flex-direction: row;
    flex-wrap: wrap;
  }
  .explorer-tab-btn {
    flex: 1 1 calc(50% - 0.5rem);
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .mobile-toggle {
    display: block;
  }
  
  nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(6, 9, 7, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-left: 1px solid rgba(255, 255, 255, 0.05);
    z-index: 99;
    transition: var(--transition-normal);
    padding: 6rem 2rem 2rem 2rem;
    flex-direction: column;
  }
  
  nav.active {
    right: 0;
  }
  
  .nav-menu {
    flex-direction: column;
    align-items: flex-start;
    gap: 2rem;
  }
  
  .nav-link {
    font-size: 1rem;
  }
  
  .btn-header-cta {
    display: none;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3.5rem;
    text-align: center;
  }
  
  .badge-tag {
    align-self: center;
    white-space: normal;
    text-align: center;
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    width: 100%;
  }

  .hero-actions a {
    width: 100%;
    max-width: 320px;
  }
  
  .hero-stats {
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
  }
  
  .hero-showcase-card {
    width: 100%;
    max-width: 480px;
    margin: 0 auto;
    transform: none;
  }

  .cta-box {
    padding: 3rem 1.5rem;
  }

  .contact-info-panel, .contact-form-panel {
    padding: 2.5rem 1.5rem;
  }
  
  .form-row {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  
  .bento-grid {
    grid-template-columns: 1fr;
  }
  
  .bento-card.col-span-2 {
    grid-column: span 1;
  }
  
  .bento-showcase {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .footer-brand {
    align-items: center;
    text-align: center;
  }
  
  .footer-brand p {
    margin: 0 auto;
  }
  
  .footer-title, .footer-links {
    text-align: center;
    align-items: center;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-legal-links {
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem 2rem;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 15px;
  }
  .hero-stats {
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
  }
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  .hero-actions a {
    width: 100%;
  }
  .explorer-tab-btn {
    flex: 1 1 100%;
  }
  .explorer-content-card {
    padding: 1.5rem;
  }
  .science-spec-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .form-row {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .contact-info-panel, .contact-form-panel {
    padding: 1.5rem;
  }
  .cta-box {
    padding: 2.5rem 1.5rem;
  }
}