:root{--build-id:"4f156175-b1c3-4cc1-b7a2-914b9cf25ed5";}
/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #0284c7;
  --bg: #e0f2fe;
  --text: #075985;
  --accent: #0ea5e9;
  --heading: #075985;
  --link: #075985;
  --white: #ffffff;
  --gray-light: #f0f9ff;
  --gray-medium: #bae6fd;
  --gray-dark: #0c4a6e;
}

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

/* 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;
}

/* Typography */
h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--heading);
  margin-bottom: 1.5rem;
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--heading);
  margin-bottom: 1.25rem;
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0;
  color: var(--heading);
  margin-bottom: 1rem;
}

h4 {
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--heading);
  margin-bottom: 0.75rem;
}

p {
  margin-bottom: 1rem;
}

a {
  color: var(--link);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--accent);
}

/* Container */
.container {
  max-width: 1450px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Header */
header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--gray-medium);
}

.header-container {
  max-width: 1450px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}

.nav-left {
  flex: 1;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.nav-right {
  flex: 1;
  display: flex;
  justify-content: flex-end;
}

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

nav a {
  color: var(--text);
  font-weight: 500;
  transition: color 0.3s ease;
}

nav a:hover,
nav a[aria-current="page"] {
  color: var(--primary);
}

.cta-link {
  background: var(--primary);
  color: var(--white) !important;
  padding: 0.5rem 1.25rem;
  border-radius: 9999px;
  font-weight: 500;
}

.cta-link:hover {
  background: var(--accent);
}

/* Mobile Menu */
.menu-checkbox {
  display: none;
}

.menu-toggle {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--primary);
  background: none;
  border: none;
  padding: 0.5rem;
}

.mobile-nav {
  display: none;
}

@media (max-width: 768px) {
  .nav-left,
  .nav-right {
    display: none;
  }

  .logo {
    position: static;
    transform: none;
  }

  .menu-toggle {
    display: block;
  }

  .mobile-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border-top: 1px solid var(--gray-medium);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  }

  .mobile-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 1rem 0;
  }

  .mobile-nav li {
    width: 100%;
  }

  .mobile-nav a {
    display: block;
    padding: 1rem 2rem;
    border-bottom: 1px solid var(--gray-light);
  }

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

/* Sections */
section {
  padding: 6.5rem 0;
}

.hero-section {
  background: linear-gradient(135deg, var(--bg) 0%, var(--gray-light) 100%);
  padding: 8rem 0;
}

.hero-content {
  max-width: 800px;
}

.hero-text {
  font-size: 1.125rem;
  line-height: 1.75;
  margin-bottom: 2rem;
  color: var(--text);
}

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

.hero-visual {
  margin-top: 3rem;
}

.hero-visual svg {
  width: 100%;
  max-width: 400px;
  height: auto;
  display: block;
  margin: 0 auto;
}

/* Buttons */
.btn-primary,
.btn-secondary {
  display: inline-block;
  padding: 0.875rem 2rem;
  border-radius: 9999px;
  font-weight: 500;
  transition: all 0.3s ease;
  text-align: center;
}

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

.btn-primary:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--white);
}

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

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

/* Content Grid */
.content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4.5rem;
  align-items: center;
}

.content-image svg {
  width: 100%;
  height: auto;
}

@media (max-width: 768px) {
  .content-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* Feature Cards */
.feature-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.feature-card {
  border-radius: 0.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  padding: 1.5rem;
  background: var(--white);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

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

/* Process Steps */
.process-steps {
  display: flex;
  flex-direction: column;
  gap: 3rem;
  margin-top: 3rem;
}

.process-step {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
}

.step-number {
  flex-shrink: 0;
  width: 3rem;
  height: 3rem;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
}

.step-content {
  flex: 1;
}

@media (max-width: 768px) {
  .process-step {
    flex-direction: column;
    gap: 1rem;
  }
}

/* CTA Section */
.cta-section {
  background: var(--bg);
  text-align: center;
}

.cta-content {
  max-width: 800px;
  margin: 0 auto;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 2rem;
}

/* Page Header */
.page-header {
  background: var(--bg);
  padding: 4rem 0;
  text-align: center;
}

.page-subtitle {
  font-size: 1.25rem;
  color: var(--text);
  margin-top: 1rem;
}

/* Content Section */
.content-section {
  padding: 6.5rem 0;
}

.content-section.alt-bg {
  background: var(--gray-light);
}

.section-intro {
  font-size: 1.125rem;
  line-height: 1.75;
  margin-bottom: 2rem;
  color: var(--text);
}

.content-block {
  margin-bottom: 3rem;
}

/* Info Cards */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.info-card {
  border-radius: 0.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  padding: 1.5rem;
  background: var(--white);
}

/* Highlight Box */
.highlight-box {
  background: var(--white);
  border-left: 4px solid var(--primary);
  padding: 2rem;
  margin: 3rem 0;
  border-radius: 0.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

/* Benefit Cards */
.benefit-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.benefit-card {
  border-radius: 0.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  padding: 1.5rem;
  background: var(--white);
}

/* Comparison Box */
.comparison-box {
  background: var(--white);
  padding: 2rem;
  border-radius: 0.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  margin: 3rem 0;
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 2rem;
}

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

.comparison-item li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--gray-light);
}

@media (max-width: 768px) {
  .comparison-grid {
    grid-template-columns: 1fr;
  }
}

/* Method Cards */
.method-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.method-card {
  border-radius: 0.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  padding: 1.5rem;
  background: var(--white);
}

.card-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 1rem;
}

/* Skin Type Guide */
.skin-type-guide {
  background: var(--white);
  padding: 2rem;
  border-radius: 0.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  margin: 3rem 0;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.guide-item {
  padding: 1.5rem;
  background: var(--gray-light);
  border-radius: 0.5rem;
}

/* Contact Section */
.contact-section {
  padding: 6.5rem 0;
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4.5rem;
  align-items: center;
  margin-bottom: 4rem;
}

.contact-details {
  margin-top: 2rem;
}

.contact-item {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  margin-bottom: 2rem;
}

.contact-icon {
  font-size: 2rem;
  color: var(--primary);
}

.contact-visual svg {
  width: 100%;
  height: auto;
}

@media (max-width: 768px) {
  .contact-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* FAQ Section */
.faq-section {
  margin-top: 4rem;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-top: 2rem;
}

.faq-item {
  background: var(--white);
  padding: 2rem;
  border-radius: 0.5rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  border-left: 4px solid var(--primary);
}

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

/* Footer */
footer {
  background: var(--gray-dark);
  color: var(--white);
  padding: 4rem 0 2rem;
}

.footer-container {
  max-width: 1450px;
  margin: 0 auto;
  padding: 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  margin-bottom: 3rem;
}

.footer-brand h3 {
  color: var(--white);
  margin-bottom: 0.5rem;
}

.footer-brand p {
  color: var(--gray-medium);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.footer-column h4 {
  color: var(--white);
  margin-bottom: 1rem;
}

.footer-column ul {
  list-style: none;
}

.footer-column li {
  margin-bottom: 0.5rem;
}

.footer-column a {
  color: var(--gray-medium);
  transition: color 0.3s ease;
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
  color: var(--gray-medium);
  margin: 0;
}

.footer-legal {
  display: flex;
  gap: 2rem;
}

.footer-legal a {
  color: var(--gray-medium);
}

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

@media (max-width: 768px) {
  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-links {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .footer-legal {
    flex-direction: column;
    gap: 0.5rem;
  }
}