:root{--build-id:"edb1a7a4-c8bf-4f5c-9aca-163a199b5492";}
/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #4f46e5;
  --bg: #e0e7ff;
  --text: #3730a3;
  --accent: #6366f1;
  --heading: var(--text);
  --link: var(--text);
}

body {
  font-family: Roboto, "Noto Sans KR", "Malgun Gothic", "Segoe UI", -apple-system, system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  font-weight: 400;
  letter-spacing: 0em;
  color: var(--text);
  background-color: #ffffff;
}

/* Skip Link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: #000;
  color: #fff;
  padding: 8px 16px;
  text-decoration: none;
  z-index: 100;
}

.skip-link:focus {
  top: 0;
}

/* Focus Styles */
a:focus-visible,
input:focus-visible,
label:focus-visible {
  outline: 3px solid #0066cc;
  outline-offset: 2px;
}

/* Container */
.container {
  max-width: 1450px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header & Navigation - N09: 상단 투명 + 좌측 로고 + 중앙 검색 + 우측 메뉴 */
header {
  background: rgba(224, 231, 255, 0.95);
  padding: 1rem 0;
  border-bottom: 1px solid rgba(79, 70, 229, 0.2);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-container {
  max-width: 1450px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  white-space: nowrap;
}

.search-box {
  flex: 1;
  max-width: 300px;
}

.search-box input {
  width: 100%;
  padding: 0.5rem 1rem;
  border: 1px solid var(--primary);
  border-radius: 0.25rem;
  font-size: 0.9rem;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 2rem;
  align-items: center;
}

nav a {
  color: var(--link);
  text-decoration: none;
  font-weight: 500;
  white-space: nowrap;
}

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

nav a[aria-current="page"] {
  color: var(--primary);
  font-weight: 700;
  text-decoration: underline;
}

.menu-checkbox {
  display: none;
}

.menu-toggle {
  display: none;
  font-size: 1.75rem;
  cursor: pointer;
  color: var(--primary);
}

@media (max-width: 768px) {
  .header-container {
    flex-wrap: wrap;
  }

  .menu-toggle {
    display: block;
  }

  .search-box {
    order: 3;
    flex: 1 1 100%;
    max-width: 100%;
    margin-top: 0.5rem;
  }

  nav {
    display: none;
    order: 4;
    flex: 1 1 100%;
    margin-top: 1rem;
  }

  .menu-checkbox:checked ~ nav {
    display: block;
  }

  nav ul {
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
  }
}

/* Headings - H14: 3.625rem, 800, underline */
h1 {
  font-size: clamp(2.25rem, 5vw, 3.625rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--heading);
  margin-bottom: 1.5rem;
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 3px;
  text-underline-offset: 8px;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.719rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--heading);
  margin-bottom: 1.25rem;
}

h3 {
  font-size: clamp(1.25rem, 3vw, 2.038rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--heading);
  margin-bottom: 1rem;
}

/* Sections - S09: 6.5rem 0, 1450px, 4.5rem gap */
section {
  padding: 6.5rem 0;
}

/* Hero Section */
.hero-illustration {
  background: linear-gradient(135deg, var(--bg) 0%, rgba(224, 231, 255, 0.5) 100%);
  padding: 8rem 0;
}

.hero-content {
  max-width: 900px;
  text-align: center;
  margin: 0 auto;
  position: relative;
}

.hero-content p {
  font-size: 1.125rem;
  margin-bottom: 2rem;
  color: var(--text);
}

.hero-illustration-visual {
  margin-top: 3rem;
  display: flex;
  justify-content: center;
}

/* Features Five Col */
.features-five-col {
  background: #ffffff;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 4.5rem;
  margin-top: 3rem;
}

.feature-card {
  /* K14: 대각선 라운드, 2px solid */
  border-radius: 1rem 0 1rem 0;
  border: 2px solid var(--primary);
  padding: 1.75rem;
  background: #ffffff;
  transition: transform 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
}

.feature-icon {
  font-size: 2.5rem;
  color: var(--accent);
  margin-bottom: 1rem;
  display: block;
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.feature-card p {
  color: var(--text);
  line-height: 1.7;
}

/* Comparison Slider */
.comparison-slider {
  background: var(--bg);
}

.comparison-wrapper {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 4.5rem;
  margin-top: 3rem;
}

.comparison-item {
  border-radius: 1rem 0 1rem 0;
  border: 2px solid var(--primary);
  padding: 2rem;
  background: #ffffff;
}

.comparison-item.highlight {
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.05) 0%, rgba(99, 102, 241, 0.1) 100%);
  border-color: var(--accent);
}

.comparison-item h3 {
  margin-bottom: 1.5rem;
  color: var(--primary);
}

.comparison-item ul {
  list-style: none;
  padding-left: 0;
}

.comparison-item li {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
  position: relative;
}

.comparison-item li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--accent);
}

/* Process Overview */
.process-overview {
  background: #ffffff;
}

.process-overview > .container > p {
  max-width: 900px;
  margin: 0 auto 3rem;
  text-align: center;
  font-size: 1.05rem;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 4.5rem;
  margin-top: 3rem;
}

.step-item {
  text-align: center;
  border-radius: 1rem 0 1rem 0;
  border: 2px solid var(--primary);
  padding: 2rem;
  background: #ffffff;
}

.step-number {
  display: inline-block;
  width: 50px;
  height: 50px;
  background: var(--primary);
  color: #ffffff;
  border-radius: 50%;
  line-height: 50px;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.step-item h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

/* CTA Section */
.cta-section {
  background: var(--primary);
  color: #ffffff;
  text-align: center;
  padding: 5rem 0;
}

.cta-section h2 {
  color: #ffffff;
  margin-bottom: 1.5rem;
}

.cta-section p {
  color: #ffffff;
  font-size: 1.125rem;
  margin-bottom: 2rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* Button - B14: skew effect */
.cta-button {
  /* B14: 0.25rem, 1rem 2rem, 600, skew(-5deg) */
  display: inline-block;
  background: #ffffff;
  color: var(--primary);
  padding: 1rem 2rem;
  border-radius: 0.25rem;
  font-weight: 600;
  text-decoration: none;
  transform: skew(-5deg);
  transition: all 0.3s ease;
  border: none;
}

.cta-button:hover {
  background: var(--accent);
  color: #ffffff;
  transform: skew(-5deg) scale(1.05);
}

/* Page Intro */
.page-intro {
  background: var(--bg);
  padding: 5rem 0;
  text-align: center;
}

.page-intro h1 {
  margin-bottom: 1.5rem;
}

.page-intro p {
  max-width: 800px;
  margin: 0 auto;
  font-size: 1.125rem;
}

/* About Sections */
.about-mission,
.about-approach,
.about-values {
  padding: 6.5rem 0;
}

.mission-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 4.5rem;
  margin-top: 2rem;
  align-items: center;
}

.mission-visual {
  display: flex;
  justify-content: center;
}

.mission-text p {
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.approach-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 4.5rem;
  margin-top: 3rem;
}

.approach-card {
  border-radius: 1rem 0 1rem 0;
  border: 2px solid var(--primary);
  padding: 1.75rem;
  background: #ffffff;
}

.approach-card h3 {
  margin-bottom: 1rem;
  color: var(--primary);
}

.values-list {
  list-style: none;
  margin-top: 2rem;
  max-width: 1000px;
}

.values-list li {
  margin-bottom: 1.5rem;
  padding-left: 2rem;
  position: relative;
  line-height: 1.8;
}

.values-list li::before {
  content: "●";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 1.5rem;
}

/* Methods Sections */
.methods-overview,
.design-development,
.construction-management {
  padding: 6.5rem 0;
}

.methods-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 4.5rem;
  margin-top: 3rem;
}

.method-card {
  border-radius: 1rem 0 1rem 0;
  border: 2px solid var(--primary);
  padding: 1.75rem;
  background: #ffffff;
}

.method-card h3 {
  margin-bottom: 1rem;
  color: var(--primary);
}

.design-list {
  list-style: none;
  margin-top: 2rem;
  max-width: 1000px;
}

.design-list li {
  margin-bottom: 1.5rem;
  padding-left: 2rem;
  position: relative;
  line-height: 1.8;
}

.design-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 1.5rem;
}

.construction-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 4.5rem;
  margin-top: 3rem;
}

.step-box {
  border-radius: 1rem 0 1rem 0;
  border: 2px solid var(--primary);
  padding: 2rem;
  background: #ffffff;
  text-align: center;
}

.step-icon {
  font-size: 2rem;
  color: var(--accent);
  margin-bottom: 1rem;
}

/* Benefits Sections */
.benefits-main,
.benefits-health,
.benefits-value {
  padding: 6.5rem 0;
}

.benefit-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 4.5rem;
  margin-top: 3rem;
}

.benefit-card {
  border-radius: 1rem 0 1rem 0;
  border: 2px solid var(--primary);
  padding: 1.75rem;
  background: #ffffff;
}

.benefit-card h3 {
  margin-bottom: 1rem;
  color: var(--primary);
}

.benefits-list {
  list-style: none;
  margin-top: 2rem;
  max-width: 1000px;
}

.benefits-list li {
  margin-bottom: 1.5rem;
  padding-left: 2rem;
  position: relative;
  line-height: 1.8;
}

.benefits-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 1.5rem;
}

.value-visual {
  margin-top: 3rem;
  display: flex;
  justify-content: center;
}

/* FAQ Section */
.faq-section {
  padding: 6.5rem 0;
}

.faq-item {
  margin-bottom: 3rem;
  border-radius: 1rem 0 1rem 0;
  border: 2px solid var(--primary);
  padding: 2rem;
  background: #ffffff;
}

.faq-item h2 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--primary);
}

.faq-item p {
  line-height: 1.8;
  color: var(--text);
}

/* Team Sections */
.team-overview,
.team-members,
.team-collaboration {
  padding: 6.5rem 0;
}

.member-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 4.5rem;
  margin-top: 3rem;
}

.member-card {
  border-radius: 1rem 0 1rem 0;
  border: 2px solid var(--primary);
  padding: 2rem;
  background: #ffffff;
  text-align: center;
}

.member-icon {
  font-size: 3rem;
  color: var(--accent);
  margin-bottom: 1rem;
}

.member-card h3 {
  margin-bottom: 1rem;
  color: var(--primary);
}

.collaboration-visual {
  margin-top: 3rem;
  display: flex;
  justify-content: center;
}

/* Contact Sections */
.contact-info,
.contact-message {
  padding: 6.5rem 0;
}

.contact-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 4.5rem;
  margin-top: 3rem;
}

.contact-item {
  border-radius: 1rem 0 1rem 0;
  border: 2px solid var(--primary);
  padding: 2rem;
  background: #ffffff;
  text-align: center;
}

.contact-icon {
  font-size: 2.5rem;
  color: var(--accent);
  margin-bottom: 1rem;
}

.contact-item h3 {
  margin-bottom: 1rem;
  color: var(--primary);
}

.contact-item a {
  color: var(--link);
  text-decoration: none;
  font-weight: 600;
}

.contact-item a:hover {
  color: var(--primary);
  text-decoration: underline;
}

.info-list {
  list-style: none;
  margin-top: 2rem;
  max-width: 800px;
}

.info-list li {
  margin-bottom: 1rem;
  padding-left: 2rem;
  position: relative;
  line-height: 1.7;
}

.info-list li::before {
  content: "▪";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 1.5rem;
}

/* Privacy/Terms Document */
.doc-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 4rem 2rem;
  text-align: center;
}

.doc-container h1 {
  margin-bottom: 2rem;
}

.doc-container p {
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.doc-container a {
  color: var(--link);
  text-decoration: underline;
}

/* Footer */
footer {
  background: var(--primary);
  color: #ffffff;
  padding: 3rem 0;
  margin-top: 4rem;
}

.footer-container {
  max-width: 1450px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.footer-content {
  text-align: center;
}

.footer-content p {
  margin-bottom: 0.75rem;
  color: #ffffff;
}

.footer-content nav {
  margin-top: 1rem;
}

.footer-content nav a {
  color: #ffffff;
  text-decoration: none;
  margin: 0 0.5rem;
}

.footer-content nav a:hover {
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
  section {
    padding: 4rem 0;
  }

  .hero-illustration {
    padding: 4rem 0;
  }

  .features-grid,
  .comparison-wrapper,
  .process-steps,
  .methods-cards,
  .approach-cards,
  .benefit-cards,
  .member-cards,
  .contact-details,
  .construction-steps {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}