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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.7;
  color: #1a1a1a;
  background: #fff;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Header */
header {
  background: #fff;
  border-bottom: 1px solid #e0e0e0;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.95);
}

nav {
  padding: 1.25rem 0;
}

nav .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: block;
  text-decoration: none;
}

.logo img {
  height: 42px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2.5rem;
}

.nav-links a {
  color: #1a1a1a;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
  letter-spacing: 0.02em;
}

.nav-links a:hover {
  color: #666;
}

/* Main content */
main {
  padding: 0;
}

/* Hero Section */
.hero-section {
  min-height: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  text-align: center;
  padding: 4rem 2rem 3rem;
}

.hero-content {
  max-width: 900px;
}

.hero-section h1 {
  font-size: 3rem;
  line-height: 1.3;
  font-weight: 600;
  color: #000;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 1.5rem;
  color: #555;
  font-weight: 400;
  margin: 0;
}

/* Section Blocks */
.section-block {
  padding: 6rem 0;
}

.section-block .container {
  max-width: 1200px;
}

.section-dark {
  background: #1a1a1a;
  color: #fff;
}

.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: #fff;
}

.section-dark p,
.section-dark li {
  color: #d0d0d0;
}

.section-block h2 {
  font-size: 2.5rem;
  font-weight: 600;
  margin-bottom: 3rem;
  text-align: center;
  letter-spacing: -0.02em;
}

/* Two Column Layout */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  max-width: 1000px;
  margin: 0 auto;
}

.two-col p {
  font-size: 1.15rem;
  line-height: 1.8;
}

/* Approach Grid */
.approach-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
  max-width: 1100px;
  margin: 0 auto;
}

.approach-item {
  text-align: center;
  padding: 2rem;
}

.approach-item h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  font-weight: 600;
}

.approach-item p {
  font-size: 1.05rem;
  color: #555;
  line-height: 1.7;
}

/* Accordion */
.model-accordion {
  max-width: 900px;
  margin: 0 auto;
}

.accordion-item {
  border: 1px solid #333;
  margin-bottom: 1rem;
  border-radius: 4px;
  overflow: hidden;
}

.accordion-item summary {
  padding: 1.75rem 2rem;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: transparent;
  transition: background 0.2s;
  user-select: none;
}

.accordion-item summary::-webkit-details-marker {
  display: none;
}

.accordion-item summary:hover {
  background: rgba(255, 255, 255, 0.05);
}

.accordion-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: #fff;
}

.accordion-duration {
  font-size: 0.9rem;
  color: #999;
  font-weight: 500;
}

.accordion-content {
  padding: 0 2rem 2rem 2rem;
  color: #d0d0d0;
}

.accordion-content p {
  margin-bottom: 1rem;
  font-size: 1.05rem;
  line-height: 1.7;
}

.accordion-content p:last-child {
  margin-bottom: 0;
}

/* Serve Grid */
.serve-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
  max-width: 1100px;
  margin: 0 auto;
}

.serve-card {
  padding: 2.5rem;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  background: #fafafa;
}

.serve-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  font-weight: 600;
  color: #000;
}

.serve-card p {
  margin-bottom: 1.5rem;
  color: #333;
  font-size: 1.05rem;
  line-height: 1.7;
}

.serve-card ul {
  list-style: none;
  padding: 0;
}

.serve-card li {
  padding-left: 1.5rem;
  position: relative;
  margin-bottom: 0.75rem;
  color: #555;
  font-size: 0.95rem;
}

.serve-card li:before {
  content: "→";
  position: absolute;
  left: 0;
  color: #999;
}

/* Engage Content */
.engage-content {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
  max-width: 1100px;
  margin: 0 auto;
}

.engage-item h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  font-weight: 600;
  color: #fff;
}

.engage-item p {
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 1rem;
}

.engage-item .note {
  font-style: italic;
  color: #aaa;
  margin-top: 1rem;
}

/* POV Grid */
.pov-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem;
  max-width: 1100px;
  margin: 0 auto;
}

.pov-item {
  padding: 2rem;
  border-left: 3px solid #000;
  background: #fafafa;
}

.pov-item h4 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  font-weight: 600;
  color: #000;
}

.pov-item p {
  font-size: 1.05rem;
  color: #555;
  line-height: 1.7;
  margin: 0;
}

/* Contact Section */
.section-contact {
  text-align: center;
  background: #f8f9fa;
}

.contact-intro {
  font-size: 1.15rem;
  max-width: 800px;
  margin: 0 auto 3rem;
  color: #555;
  line-height: 1.8;
}

.contact-details {
  display: flex;
  justify-content: center;
  gap: 4rem;
  margin-bottom: 2rem;
}

.contact-link {
  font-size: 1.5rem;
  color: #000;
  text-decoration: none;
  font-weight: 600;
  border-bottom: 2px solid #000;
  padding-bottom: 0.25rem;
  transition: opacity 0.2s;
}

.contact-link:hover {
  opacity: 0.6;
}

.contact-location {
  font-size: 1.1rem;
  color: #666;
  margin: 0;
}

.contact-note {
  font-size: 0.95rem;
  color: #999;
  font-style: italic;
  margin: 0;
}

/* Footer */
footer {
  background: #1a1a1a;
  border-top: 1px solid #333;
  padding: 2.5rem 0;
}

footer p {
  text-align: center;
  color: #999;
  font-size: 0.9rem;
  margin: 0;
}

/* Responsive */
@media (max-width: 1024px) {
  .approach-grid,
  .engage-content {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .serve-grid,
  .pov-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 1.5rem;
  }

  nav .container {
    flex-direction: column;
    gap: 1.5rem;
    align-items: flex-start;
  }

  .nav-links {
    flex-direction: column;
    gap: 0.75rem;
  }

  .hero-section {
    min-height: auto;
    padding: 3rem 1.5rem 2.5rem;
  }

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

  .hero-subtitle {
    font-size: 1.15rem;
  }

  .section-block {
    padding: 4rem 0;
  }

  .section-block h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
  }

  .two-col {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .approach-item {
    padding: 1.5rem;
  }

  .accordion-item summary {
    padding: 1.25rem 1.5rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .accordion-content {
    padding: 0 1.5rem 1.5rem 1.5rem;
  }

  .serve-card,
  .pov-item {
    padding: 1.75rem;
  }

  .contact-details {
    flex-direction: column;
    gap: 2rem;
  }
}