/* MediAnnotate - Professional Medical Annotation Platform */
:root{
  --bg:#000000; --bg-2:#000000; --text:#e8ebff; --muted:#a6b0d8;
  --primary:#0e3ad6; --primary-2:#3a63ff; --accent:#6ea8ff;
  --border:rgba(110,168,255,.22); --card:rgba(255,255,255,.04); 
  --shadow:0 8px 32px rgba(0,0,0,.4), inset 0 1px 0 rgba(255,255,255,.05);
  --radius:16px;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; padding: 0; }

body {
  color: var(--text);
  background: #000000;
  padding-top: 96px;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  font-size: 16px;
}

.anchor-target {
  display: block;
  position: relative;
  top: -100px;
  height: 0;
}

a { color: var(--text); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: #fff; }

img, svg { display: block; max-width: 100%; height: auto; }

.container { 
  max-width: 1280px; 
  margin: 0 auto; 
  padding: 0 32px; 
}

/* Background Elements */
.bg-wrap { display: none; }

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  backdrop-filter: saturate(180%) blur(16px);
  background: rgba(10,11,15,.95);
  border-bottom: 1px solid rgba(255,255,255,.08);
  z-index: 100;
  width: 100%;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 80px;
}

.brand-wordmark {
  display: inline-flex;
  align-items: center;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, 'Helvetica Neue', Arial, sans-serif;
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.02em;
  color: #ffffff;
  text-decoration: none;
}

.logo .brand-wordmark {
  line-height: 1;
}

.primary-nav {
  display: flex;
  gap: 32px;
  align-items: center;
}

.primary-nav a {
  color: var(--muted);
  font-weight: 500;
  font-size: 15px;
  padding: 8px 0;
  border-bottom: 2px solid transparent;
  transition: all 0.2s ease;
}

.primary-nav a:hover {
  color: #fff;
  border-bottom-color: var(--accent);
}

.nav-cta {
  display: flex;
  gap: 16px;
  align-items: center;
}

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  color: var(--text);
  padding: 8px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 12px;
  background: var(--primary);
  color: white;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.025em;
  border: 1px solid rgba(110,168,255,.4);
  box-shadow: var(--shadow);
  transition: all 0.2s ease;
  text-align: center;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(14,58,214,.3), inset 0 1px 0 rgba(255,255,255,.1);
  filter: saturate(1.1);
}

.btn.ghost {
  background: rgba(255,255,255,.06);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn.ghost:hover {
  background: rgba(255,255,255,.09);
  color: #fff;
}

.btn.xl {
  padding: 16px 32px;
  font-size: 16px;
  font-weight: 700;
}

.btn.full { width: 100%; }

/* Hero Section */
.hero {
  padding: 120px 32px 80px;
  text-align: center;
}

.hero h1 {
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1.1;
  margin: 0 0 24px;
  letter-spacing: -0.025em;
  font-weight: 800;
}

.headline-accent {
  color: var(--accent);
}

.lede {
  font-size: clamp(18px, 2.2vw, 24px);
  color: var(--muted);
  max-width: 900px;
  margin: 0 auto 32px;
  line-height: 1.5;
}

.hero-cta {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin: 40px 0;
  flex-wrap: wrap;
}

.hero-badges {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin: 48px 0;
}

.badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  border: 1px solid var(--border);
  color: #d8e1ff;
  font-size: 14px;
  font-weight: 500;
}

.badge img {
  width: 20px;
  height: 20px;
}

.hero-media {
  margin-top: 64px;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.04);
  box-shadow: var(--shadow);
}

/* Trust Section */
.trust {
  padding: 80px 32px;
  text-align: center;
}

.eyebrow {
  color: var(--muted);
  text-transform: uppercase;
  font-size: 13px;
  letter-spacing: 0.15em;
  font-weight: 600;
  margin-bottom: 32px;
}

.logo-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 32px;
  align-items: center;
  list-style: none;
  padding: 0;
  margin: 0;
}

.logo-row img {
  opacity: 0.6;
  filter: grayscale(1) contrast(1.2);
  transition: opacity 0.2s ease;
}

.logo-row li:hover img {
  opacity: 0.8;
}

/* Section Headers */
.section-head {
  text-align: center;
  margin: 0 auto 56px;
  max-width: 1000px;
}

.section-head h2 {
  font-size: clamp(32px, 4vw, 48px);
  margin: 0 0 20px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.section-head p {
  color: var(--muted);
  font-size: 20px;
  line-height: 1.6;
  margin: 0;
}

/* Product Grid */
.product {
  padding: 100px 32px;
  background: none;
}

.security {
  padding: 100px 32px;
  background: none;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: 32px;
  margin-top: 56px;
}

.card, .sec-card {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255,255,255,.05);
  padding: 32px;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.card::before, .sec-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: rgba(110,168,255,.2);
}

.card:hover, .sec-card:hover {
  transform: translateY(-8px);
  background: rgba(255,255,255,.08);
  box-shadow: 0 20px 60px rgba(14,58,214,.2), inset 0 1px 0 rgba(255,255,255,.1);
}

.card-head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 20px;
}

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: rgba(110,168,255,.12);
  border: 1px solid rgba(110,168,255,.3);
  flex-shrink: 0;
}

.card-icon img {
  width: 28px;
  height: 28px;
  display: block;
}

.sec-card img {
  width: 48px;
  height: 48px;
  margin-bottom: 16px;
  display: block;
}

.card h3, .sec-card h3 {
  margin: 0 0 16px;
  font-size: 24px;
  font-weight: 700;
  color: #fff;
}

.card p, .sec-card p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.6;
  margin-bottom: 20px;
}

.mini-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.mini-list li {
  color: #cbd5ff;
  font-size: 15px;
  padding: 6px 0;
  padding-left: 20px;
  position: relative;
}

.mini-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 600;
}

/* Workflows/Specialties */
.workflows {
  padding: 80px 32px;
}

.workflow-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  list-style: none;
  padding: 0;
  margin: 64px 0;
}

.step-card {
  position: relative;
  padding: 32px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255,255,255,.04);
  min-height: 200px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

.step-card:hover {
  transform: translateY(-4px);
  background: rgba(255,255,255,.06);
}

.step-index {
  font-size: 32px;
  line-height: 1;
  margin-bottom: 8px;
}

.step-card h3 {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
}

.step-card p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.5;
  margin: 0;
}

.callout {
  margin-top: 64px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.05);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 40px;
  gap: 32px;
  flex-wrap: wrap;
}

.callout-body h3 {
  margin: 0 0 12px;
  font-size: 24px;
  font-weight: 700;
  color: #fff;
}

.callout-body p {
  color: var(--muted);
  font-size: 16px;
  margin: 0;
  line-height: 1.5;
}

/* Security Footer */
.security-foot {
  margin-top: 48px;
  text-align: center;
}

.mono {
  font-family: 'Space Mono', monospace;
  color: #b8c7ff;
  font-size: 14px;
  letter-spacing: 0.05em;
}

/* Metrics */
.metrics {
  padding: 100px 32px;
  background: none;
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 48px;
  list-style: none;
  padding: 0;
  margin: 32px 0 0;
  text-align: center;
}

.kpi {
  display: block;
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 900;
  line-height: 1;
  color: #fff;
  margin-bottom: 8px;
}

.kpi-sub {
  display: block;
  color: var(--muted);
  font-size: 16px;
  font-weight: 500;
}

/* Code Section */
.code {
  padding: 80px 32px;
}

.code-block {
  margin: 48px 0 0;
  padding: 32px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(0,0,0,.7);
  font-family: 'Space Mono', monospace;
  font-size: 14px;
  overflow-x: auto;
  box-shadow: var(--shadow);
  line-height: 1.6;
}

/* Pricing */
.pricing {
  padding: 80px 32px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
  margin-top: 64px;
}

.price-card {
  border-radius: 20px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.04);
  padding: 40px 32px;
  box-shadow: var(--shadow);
  position: relative;
  transition: all 0.3s ease;
}

.price-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 50px rgba(14,58,214,.15);
}

.price-card h3 {
  margin: 0 0 16px;
  font-size: 24px;
  font-weight: 700;
  color: #fff;
}

.price-card .price {
  margin: 0 0 24px;
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.price-card .num {
  font-size: 42px;
  font-weight: 900;
  color: #fff;
}

.price-card .per {
  color: var(--muted);
  font-size: 16px;
}

.price-card.featured {
  background: rgba(14,58,214,.08);
  border-color: rgba(110,168,255,.4);
}

.ribbon {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 12px;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(14,58,214,.3);
  border: 1px solid var(--border);
  color: #dce8ff;
  font-weight: 600;
}

/* FAQ */
.faq {
  padding: 100px 32px;
  background: none;
}

.faq details {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  background: rgba(255,255,255,.04);
  margin-bottom: 16px;
  transition: all 0.2s ease;
}

.faq details:hover {
  background: rgba(255,255,255,.05);
}

.faq summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 18px;
  color: #fff;
  padding: 8px 0;
}

.faq p {
  color: #cbd5ff;
  margin: 16px 0 0;
  line-height: 1.6;
}

/* CTA */
.cta {
  padding: 100px 32px 140px;
  background: none;
}

.cta-card {
  border: 1px solid var(--border);
  border-radius: 20px;
  background: rgba(255,255,255,.05);
  padding: 64px 48px;
  box-shadow: var(--shadow);
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.cta-card h2 {
  margin: 0 0 16px;
  font-size: 36px;
  font-weight: 800;
  color: #fff;
}

.cta-card p {
  color: var(--muted);
  font-size: 18px;
  margin: 0 0 40px;
  line-height: 1.5;
}

.demo-form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 32px;
}

.demo-form label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: #c8d5ff;
  font-weight: 500;
}

.demo-form input {
  padding: 16px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(0,0,0,.6);
  color: #fff;
  font-size: 16px;
  transition: all 0.2s ease;
}

.demo-form input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(110,168,255,.1);
}

.demo-form .wide {
  grid-column: 1 / -1;
}

/* Footer */
.site-footer {
  padding: 80px 32px 40px;
  border-top: 1px solid rgba(255,255,255,.08);
}

.foot-grid {
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: 64px;
}

.foot-logo {
  font-size: 24px;
  margin-bottom: 16px;
}

.foot-copy {
  color: var(--muted);
  font-size: 14px;
}

.foot-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}

.foot-nav h4 {
  margin: 0 0 16px;
  color: #dbe6ff;
  font-size: 16px;
  font-weight: 600;
}

.foot-nav a {
  display: block;
  color: #aabbff;
  padding: 6px 0;
  font-size: 15px;
  transition: color 0.2s ease;
}

.foot-nav a:hover {
  color: #fff;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .container { padding: 0 24px; }
  .grid { grid-template-columns: 1fr; }
  .workflow-steps { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  body { padding-top: 80px; }
  .anchor-target { top: -84px; }
  .primary-nav, .nav-cta { display: none; }
  .nav-toggle { display: block; }
  .mobile-nav {
    display: grid;
    gap: 16px;
    padding: 24px;
    border-top: 1px solid rgba(255,255,255,.08);
    background: rgba(10,11,15,.98);
  }
  .mobile-nav[hidden] { display: none; }
  
  .hero { padding: 80px 24px 60px; }
  .hero-cta { flex-direction: column; align-items: center; }
  .hero-badges { justify-content: center; }
  
  .workflow-steps { grid-template-columns: 1fr; }
  .metric-row { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .logo-row { grid-template-columns: repeat(3, 1fr); }
  .demo-form { grid-template-columns: 1fr; }
  .callout { flex-direction: column; text-align: center; }
  
  .section-head { margin: 60px 0 40px; }
  .cta-card { padding: 40px 24px; }
}

/* Features Section */
.features {
  padding: 100px 32px;
  background: none;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  margin-top: 48px;
}

.feature-card {
  text-align: center;
  padding: 40px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255,255,255,.04);
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-8px);
  background: rgba(255,255,255,.06);
  box-shadow: 0 20px 60px rgba(14,58,214,.15);
}

.feature-icon {
  font-size: 48px;
  margin-bottom: 24px;
  display: block;
}

.feature-card h3 {
  margin: 0 0 16px;
  font-size: 24px;
  font-weight: 700;
  color: #fff;
}

.feature-card p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.6;
  margin: 0;
}

/* Testimonials */
.testimonials {
  padding: 80px 32px;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 32px;
  margin-top: 64px;
}

.testimonial-card {
  padding: 40px 32px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255,255,255,.05);
  box-shadow: var(--shadow);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 20px;
  left: 32px;
  font-size: 64px;
  color: var(--accent);
  font-family: serif;
  line-height: 1;
  opacity: 0.3;
}

.quote {
  font-size: 18px;
  line-height: 1.6;
  color: #fff;
  margin-bottom: 24px;
  font-style: italic;
}

.author-info strong {
  display: block;
  color: #fff;
  font-weight: 600;
  margin-bottom: 4px;
}

.author-info span {
  color: var(--muted);
  font-size: 14px;
}

/* Stats Section */
.stats {
  padding: 80px 32px;
  background: none;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 48px;
  margin-top: 0;
}

.stat-item {
  text-align: center;
  padding: 24px 16px;
}

.stat-number {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
  display: block;
}

.stat-label {
  color: var(--muted);
  font-size: 16px;
  font-weight: 500;
}

/* Process Section */
.process {
  padding: 120px 32px;
  background: none;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  margin-top: 56px;
}

.process-step {
  position: relative;
  padding: 32px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255,255,255,.04);
  transition: all 0.3s ease;
}

.process-step:hover {
  transform: translateY(-4px);
  background: rgba(255,255,255,.06);
}

.step-number {
  position: absolute;
  top: -16px;
  left: 24px;
  background: var(--primary);
  color: white;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
  box-shadow: var(--shadow);
}

.process-step h3 {
  margin: 16px 0 12px;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
}

.process-step p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
  margin: 0;
}

/* Datasets Section */
.datasets {
  padding: 120px 32px;
  background: none;
}

.dataset-categories {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 56px;
}

.dataset-card {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255,255,255,.04);
  padding: 32px;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

.dataset-card:hover {
  transform: translateY(-8px);
  background: rgba(255,255,255,.08);
  box-shadow: 0 20px 60px rgba(14,58,214,.2);
}

.dataset-card h3 {
  margin: 0 0 16px;
  font-size: 24px;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 12px;
}

.dataset-card .dataset-icon {
  font-size: 32px;
}

.dataset-scale {
  color: var(--accent);
  font-weight: 600;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
  display: block;
}

.dataset-description {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.6;
  margin-bottom: 24px;
}

.detail-group {
  margin-bottom: 24px;
}

.detail-group h4 {
  margin: 0 0 12px;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
}

.detail-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.detail-list li {
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.5;
  padding-left: 20px;
  position: relative;
}

.detail-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 600;
}

.modality-tag {
  display: inline-block;
  background: var(--primary);
  color: white;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  margin-right: 8px;
  min-width: 60px;
  text-align: center;
}

.emr-components,
.imaging-components {
  display: grid;
  gap: 16px;
}

.emr-item,
.imaging-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  border-radius: 8px;
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.08);
}

.emr-icon,
.imaging-icon {
  font-size: 20px;
  flex-shrink: 0;
}

.emr-item strong,
.imaging-item strong {
  display: block;
  color: #fff;
  font-weight: 600;
  margin-bottom: 4px;
  font-size: 15px;
}

.emr-item p,
.imaging-item p {
  color: var(--muted);
  font-size: 14px;
  margin: 0;
  line-height: 1.4;
}

.dataset-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 64px;
}

.feature-highlight {
  text-align: center;
  padding: 24px;
  border-radius: var(--radius);
  background: rgba(255,255,255,.03);
  border: 1px solid var(--border);
}

.feature-highlight h4 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 600;
  color: #fff;
}

.feature-highlight p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
  margin: 0;
}

/* Industries Section */
.industries {
  padding: 100px 32px;
  background: none;
}

.industry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 56px;
}

.industry-card {
  padding: 32px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255,255,255,.04);
  transition: all 0.3s ease;
}

.industry-card:hover {
  transform: translateY(-4px);
  background: rgba(255,255,255,.06);
  box-shadow: 0 16px 50px rgba(14,58,214,.1);
}

.industry-icon {
  font-size: 40px;
  margin-bottom: 16px;
  display: block;
}

.industry-card h3 {
  margin: 0 0 12px;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
}

.industry-card p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.5;
  margin: 0;
}

/* Responsive Updates */
@media (max-width: 768px) {
  .features-grid,
  .testimonial-grid,
  .process-steps,
  .industry-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .dataset-categories {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .dataset-features {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .dataset-card {
    padding: 24px;
  }
  
  .dataset-card h3 {
    font-size: 20px;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
  
  .testimonial-card {
    padding: 32px 24px;
  }
  
  .quote {
    font-size: 16px;
  }
}

/* Utility Classes */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.in {
  opacity: 1;
  transform: none;
}