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

:root {
  --white: #ffffff;
  --grey-50: #f8f9fa;
  --grey-100: #f0f0f0;
  --grey-200: #e0e0e0;
  --grey-300: #c0c0c0;
  --grey-500: #888;
  --grey-700: #555;
  --grey-900: #1a1a1a;
  --blue: #2563eb;
  --blue-dark: #1e40af;
  --green: #059669;
  --orange: #ea580c;
  --purple: #7c3aed;
  --red: #dc2626;
  --accent: var(--blue);
  --transition: 0.3s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--grey-900);
  line-height: 1.6;
  background: var(--white);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Navigation */
nav {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--grey-200);
  z-index: 1000;
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--grey-900);
  text-decoration: none;
}

.logo span {
  color: var(--blue);
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--grey-700);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--blue);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--grey-900);
}

/* Hero */
.hero {
  padding: 160px 0 80px;
  background: linear-gradient(135deg, var(--grey-50) 0%, var(--white) 100%);
  text-align: center;
}

.hero-logo {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 8px;
}

.hero-logo span { color: var(--blue); }

.hero-sub {
  color: var(--grey-500);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 32px;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.2;
  max-width: 800px;
  margin: 0 auto 16px;
}

.hero-tagline {
  font-size: 1.1rem;
  color: var(--grey-700);
  max-width: 600px;
  margin: 0 auto 40px;
}

/* Pyramid */
.pyramid {
  margin: 48px auto;
  max-width: 400px;
}

.pyramid-line {
  display: flex;
  justify-content: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--grey-700);
}

.pyramid-line.top { font-size: 1.4rem; font-weight: 700; color: var(--blue); }

.pyramid-layer {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 6px 0;
}

.pyramid-layer span {
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 500;
}

.pyramid-layer .tag-blue { background: #dbeafe; color: #1e40af; }
.pyramid-layer .tag-green { background: #d1fae5; color: #065f46; }
.pyramid-layer .tag-orange { background: #ffedd5; color: #9a3412; }
.pyramid-layer .tag-purple { background: #ede9fe; color: #5b21b6; }

/* Stats grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  margin: 64px 0;
}

.stat-card {
  background: var(--grey-50);
  border-radius: 12px;
  padding: 32px 24px;
  text-align: center;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--blue);
  margin-bottom: 4px;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--grey-700);
  line-height: 1.4;
}

/* Section */
.section {
  padding: 80px 0;
}

.section-alt {
  background: var(--grey-50);
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.section-sub {
  color: var(--grey-500);
  max-width: 600px;
  margin-bottom: 48px;
}

/* Pain stats */
.pain-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin-bottom: 48px;
}

.pain-stat {
  border-left: 3px solid var(--red);
  padding: 16px 20px;
  background: var(--grey-50);
  border-radius: 0 8px 8px 0;
}

.pain-stat strong {
  display: block;
  font-size: 1.1rem;
  color: var(--red);
  margin-bottom: 4px;
}

.pain-stat span {
  font-size: 0.85rem;
  color: var(--grey-700);
}

/* Quote block */
.quote-block {
  background: var(--grey-900);
  color: var(--white);
  border-radius: 12px;
  padding: 48px;
  margin: 48px 0;
  text-align: center;
}

.quote-block p {
  font-size: 1.4rem;
  font-style: italic;
  max-width: 700px;
  margin: 0 auto 8px;
}

.quote-block cite {
  font-size: 0.85rem;
  color: var(--grey-300);
}

/* Products grid */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.product-card {
  background: var(--white);
  border: 1px solid var(--grey-200);
  border-radius: 12px;
  padding: 32px;
  transition: box-shadow var(--transition);
}

.product-card:hover {
  box-shadow: 0 8px 30px rgba(0,0,0,0.06);
}

.product-icon {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.product-card h3 {
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.product-card p {
  font-size: 0.85rem;
  color: var(--grey-700);
  margin-bottom: 16px;
}

.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.product-tags span {
  font-size: 0.75rem;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--grey-100);
  color: var(--grey-700);
}

/* Values */
.values-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  margin: 48px 0;
}

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

.value-item h4 {
  font-size: 1.1rem;
  color: var(--blue);
  margin-bottom: 8px;
}

.value-item p {
  font-size: 0.85rem;
  color: var(--grey-700);
}

/* Org chart */
.org-chart {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  margin: 48px 0;
}

.org-level {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.org-card {
  background: var(--grey-50);
  border: 1px solid var(--grey-200);
  border-radius: 8px;
  padding: 20px 28px;
  text-align: center;
  min-width: 160px;
}

.org-card h4 {
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.org-card p {
  font-size: 0.8rem;
  color: var(--grey-500);
}

/* CTA */
.cta-section {
  background: var(--grey-900);
  color: var(--white);
  padding: 80px 0;
  text-align: center;
}

.cta-section h2 {
  font-size: 2rem;
  margin-bottom: 16px;
}

.cta-section p {
  color: var(--grey-300);
  max-width: 500px;
  margin: 0 auto 32px;
}

.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--blue);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--blue-dark);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--white);
}

.btn-outline:hover {
  background: var(--white);
  color: var(--grey-900);
}

/* FAQ */
.faq-list {
  max-width: 700px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--grey-200);
  padding: 20px 0;
}

.faq-q {
  font-weight: 600;
  font-size: 1.05rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-q::after {
  content: '+';
  font-size: 1.2rem;
  color: var(--grey-500);
}

.faq-item.open .faq-q::after {
  content: '−';
}

.faq-a {
  padding-top: 12px;
  font-size: 0.9rem;
  color: var(--grey-700);
  display: none;
}

.faq-item.open .faq-a {
  display: block;
}

/* Contact form */
.contact-form {
  max-width: 500px;
  margin: 0 auto;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--grey-300);
  border-radius: 8px;
  font-size: 0.9rem;
  margin-bottom: 16px;
  font-family: inherit;
}

.contact-form textarea {
  min-height: 120px;
  resize: vertical;
}

/* Footer */
footer {
  background: var(--grey-900);
  color: var(--grey-300);
  padding: 48px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
  margin-bottom: 32px;
}

footer h4 {
  color: var(--white);
  font-size: 0.95rem;
  margin-bottom: 12px;
}

footer ul {
  list-style: none;
}

footer ul li {
  margin-bottom: 8px;
}

footer ul li a {
  color: var(--grey-300);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color var(--transition);
}

footer ul li a:hover {
  color: var(--white);
}

.footer-bottom {
  border-top: 1px solid var(--grey-700);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.8rem;
}

.footer-social {
  display: flex;
  gap: 16px;
}

.footer-social a {
  color: var(--grey-300);
  text-decoration: none;
  font-size: 0.85rem;
}

.footer-social a:hover {
  color: var(--white);
}

/* Mindmap */
.mindmap {
  display: flex;
  justify-content: center;
  margin: 48px 0;
}

.mindmap-node {
  background: var(--grey-50);
  border: 2px solid var(--blue);
  border-radius: 50%;
  width: 100px;
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--blue);
}

/* Content page */
.content-section {
  margin-bottom: 48px;
}

.content-section h3 {
  font-size: 1.3rem;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--blue);
}

/* Newsletter */
.newsletter-box {
  background: var(--grey-50);
  border-radius: 12px;
  padding: 40px;
  text-align: center;
  margin: 48px 0;
}

.newsletter-box h3 {
  font-size: 1.3rem;
  margin-bottom: 8px;
}

.newsletter-box p {
  color: var(--grey-700);
  margin-bottom: 24px;
}

.newsletter-form {
  display: flex;
  max-width: 400px;
  margin: 0 auto;
  gap: 8px;
}

.newsletter-form input {
  flex: 1;
  padding: 12px 16px;
  border: 1px solid var(--grey-300);
  border-radius: 8px;
  font-size: 0.9rem;
}

/* Thumbnail circles */
.thumbnail-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0;
  margin: 24px 0;
}

.circle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--white);
  margin-left: -8px;
}

.circle:first-child { margin-left: 0; }

.circle-blue { background: var(--blue); }
.circle-green { background: var(--green); }
.circle-red { background: var(--red); }
.circle-orange { background: var(--orange); }
.circle-purple { background: var(--purple); }

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--white);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid var(--grey-200);
  }

  .nav-links.open {
    display: flex;
  }

  .mobile-toggle {
    display: block;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-logo {
    font-size: 1.8rem;
  }

  .quote-block {
    padding: 32px 24px;
  }

  .quote-block p {
    font-size: 1.1rem;
  }

  .cta-section h2 {
    font-size: 1.5rem;
  }

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

  .org-card {
    min-width: 120px;
    padding: 16px;
  }
}