:root {
  --primary: #1f6ff7;
  --secondary: #0f172a;
  --accent: #ffb703;
  --accent-strong: #f97316;
  --dark: #0b1221;
  --light: #f5f6f8;
  --muted: #4b5563;
  --card-border: rgba(15, 23, 42, 0.08);
  --radius: 12px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --max-width: 1200px;
  --font-heading: 'Plus Jakarta Sans', system-ui, sans-serif;
  --font-body: 'Source Sans 3', system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--light);
  color: var(--dark);
  line-height: 1.6;
  min-height: 100vh;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-sm);
}

section {
  padding: var(--space-lg) 0;
}

main {
  margin-top: 64px;
}

.nav {
  position: fixed;
  inset: 0 auto auto;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  backdrop-filter: blur(10px);
  z-index: 200;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--muted);
}

.nav-links a:hover {
  color: var(--primary);
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--primary);
}

.btn {
  border: none;
  border-radius: var(--radius);
  padding: 0.75rem 1.5rem;
  font-family: var(--font-heading);
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:active {
  transform: scale(0.98);
}

.btn-accent {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 10px 30px rgba(31, 111, 247, 0.35);
}

.btn-accent:hover {
  background: #174eda;
}

.btn-white {
  background: #fff;
  color: var(--primary);
  border: 1px solid rgba(31, 111, 247, 0.4);
}

.hero {
  background: linear-gradient(135deg, #0b1221, #1a2c55, #1f3f8b);
  color: #fff;
  text-align: left;
  padding: calc(64px + var(--space-xl)) 0 var(--space-xl);
}

.hero-kicker {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.75rem;
  opacity: 0.85;
  margin-bottom: var(--space-xs);
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 1.8rem + 2vw, 3.5rem);
  margin-bottom: var(--space-sm);
}

.hero p {
  color: rgba(255, 255, 255, 0.8);
  max-width: 62ch;
  margin-bottom: var(--space-md);
}

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

.hero-stats {
  margin-top: var(--space-lg);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-md);
}

.stat-card {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.stat-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  opacity: 0.7;
}

.stat-value {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  margin: 0.5rem 0;
}

.stat-detail {
  font-size: 0.9rem;
  opacity: 0.85;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.section-kicker {
  text-transform: uppercase;
  letter-spacing: 0.3em;
  font-size: 0.7rem;
  color: var(--muted);
  margin-bottom: var(--space-xs);
}

.section-header h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 1.4rem + 1vw, 2.8rem);
}

.section-header p {
  max-width: 60ch;
  margin: var(--space-sm) auto 0;
  color: var(--muted);
}

.pipeline {
  background: #fff;
}

.pipeline-progress {
  margin-top: var(--space-md);
}

.progress-summary {
  margin-bottom: var(--space-md);
}

.progress-meter {
  width: 100%;
  height: 12px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.08);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--primary), var(--accent-strong));
  transition: width 1s ease;
}

.progress-caption {
  display: block;
  margin-top: var(--space-xs);
  font-size: 0.9rem;
  color: var(--muted);
}

.pipeline-steps {
  display: grid;
  gap: 1.25rem;
}

.step-card {
  border-radius: var(--radius);
  padding: 1.5rem;
  border: 1px solid var(--card-border);
  background: #fff;
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.08);
}

.step-card h3 {
  margin-top: 0;
  margin-bottom: var(--space-xs);
  font-size: 1.25rem;
}

.step-card p {
  color: var(--muted);
  margin-bottom: var(--space-sm);
}

.step-status {
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
}

.step-card.complete {
  border-color: rgba(31, 111, 247, 0.25);
}

.step-card.complete .step-status {
  color: #1f6ff7;
}

.step-card.in-progress .step-status {
  color: #f97316;
}

.step-card.upcoming .step-status {
  color: #8b5cf6;
}

.tests {
  background: linear-gradient(180deg, #f4f6fb 0%, #fff 100%);
}

.test-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.test-card {
  border-radius: var(--radius);
  padding: 1.5rem;
  border: 1px solid var(--card-border);
  background: #fff;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
}

.test-card h3 {
  margin-top: 0;
  margin-bottom: var(--space-xs);
}

.test-card p {
  color: var(--muted);
  margin-bottom: 1rem;
}

.test-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--muted);
}

.test-card.passed {
  border-color: rgba(34, 197, 94, 0.35);
}

.test-card.warning {
  border-color: rgba(251, 191, 36, 0.35);
}

.test-note {
  margin-top: var(--space-md);
  text-align: center;
  color: var(--muted);
}

.results {
  background: #fff;
}

.result-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.result-card {
  border-radius: var(--radius);
  padding: 1.5rem;
  background: #f9fbff;
  border: 1px solid rgba(31, 111, 247, 0.2);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.05);
}

.result-card h3 {
  margin-top: 0;
}

.result-card strong {
  font-size: 1.8rem;
  display: block;
  margin-bottom: 0.25rem;
}

.insights {
  margin-top: var(--space-lg);
  padding: 1.5rem;
  background: #0b1221;
  color: #fff;
  border-radius: var(--radius);
}

.insights h3 {
  margin-top: 0;
  margin-bottom: var(--space-sm);
}

.insights ul {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

.insights li {
  padding-left: 1rem;
  margin-bottom: 0.75rem;
  position: relative;
}

.insights li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.blog {
  background: linear-gradient(135deg, #1b1f3a, #0b1221);
  color: #fff;
}

.blog-layout {
  margin-bottom: var(--space-lg);
}

.blog-feature {
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
  padding: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.35);
}

.blog-feature h3 {
  margin-top: var(--space-xs);
  margin-bottom: var(--space-xs);
  font-size: 1.8rem;
}

.blog-feature p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-sm);
}

.blog-feature .blog-bullets {
  list-style: none;
  padding-left: 0;
  margin: var(--space-md) 0;
}

.blog-feature .blog-bullets li {
  padding-left: 1.25rem;
  position: relative;
  margin-bottom: 0.5rem;
}

.blog-feature .blog-bullets li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--accent);
}

.blog-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  opacity: 0.6;
}

.blog-feature .blog-date {
  font-size: 0.85rem;
  opacity: 0.7;
  margin-bottom: 1rem;
}

.blog-feature .blog-cta {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 700;
}

.blog-grid {
  margin-top: var(--space-md);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.blog-card {
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius);
  padding: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.blog-card h3 {
  margin-top: 0;
  font-size: 1.25rem;
}

.blog-card p {
  color: rgba(255, 255, 255, 0.8);
  flex: 1;
}

.blog-meta {
  margin-top: var(--space-sm);
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 600;
}

.blog-cta {
  margin-top: var(--space-sm);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
}

.blog-cta-link {
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
  display: inline-block;
}

.blog-cta-link:hover {
  text-decoration: underline;
}

.blog-card-link {
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.blog-card-link:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.35);
}

.form-message.success {
  color: #22c55e;
}

.form-message.error {
  color: #f87171;
}

.value-props {
  background: linear-gradient(135deg, #0a152e, #1f2d5f);
  color: #fff;
}

.value-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.value-card {
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
  padding: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.value-card h3 {
  margin-top: 0;
}

.value-card p {
  color: rgba(255, 255, 255, 0.8);
}

.cta {
  background: var(--primary);
  color: #fff;
  text-align: center;
}

.cta h2 {
  margin-bottom: var(--space-xs);
}

.cta p {
  margin-bottom: var(--space-md);
  color: rgba(255, 255, 255, 0.8);
}

.email-form {
  display: flex;
  gap: var(--space-xs);
  flex-direction: column;
  align-items: center;
}

.email-form input {
  width: 100%;
  max-width: 420px;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  border: 2px solid rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 1rem;
}

.email-form input::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.email-form input:focus {
  outline: none;
  border-color: #fff;
}

.form-message {
  min-height: 1.5rem;
}

.footer {
  padding: var(--space-md) 0;
  text-align: center;
  background: #fff;
  font-size: 0.85rem;
  color: rgba(15, 23, 42, 0.6);
  border-top: 1px solid rgba(15, 23, 42, 0.08);
}

@media (max-width: 768px) {
  .nav-inner {
    flex-direction: column;
    gap: 0.5rem;
    padding-bottom: 0.5rem;
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .email-form {
    flex-direction: column;
  }
}