:root{--build-id:"64c8cfba-086e-4d4f-b275-fbce170a896d";}
/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #27272a;
  --bg: #f4f4f5;
  --text: #18181b;
  --accent: #71717a;
  --heading: #18181b;
  --link: #18181b;
  --container-width: 1250px;
  --section-padding: 5.5rem 0;
  --gap: 3.25rem;
}

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

/* Typography */
h1 {
  font-size: clamp(2.5rem, 5vw, 4.125rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.025em;
  color: var(--heading);
  margin-bottom: 1.5rem;
}

h2 {
  font-size: clamp(1.875rem, 4vw, 3.094rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--heading);
  margin-bottom: 1.25rem;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2.32rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--heading);
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1rem;
}

a {
  color: var(--link);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* 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: var(--container-width);
  margin: 0 auto;
  padding: 0 2rem;
}

/* Header */
header {
  background-color: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 1.25rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.logo:hover {
  text-decoration: none;
  opacity: 0.8;
}

.menu-checkbox {
  display: none;
}

.menu-toggle {
  display: none;
  font-size: 1.75rem;
  cursor: pointer;
  color: var(--primary);
  background: none;
  border: none;
  padding: 0.5rem;
}

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

nav a {
  color: var(--text);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 0;
  position: relative;
}

nav a:hover {
  text-decoration: none;
  color: var(--primary);
}

nav a[aria-current="page"] {
  color: var(--primary);
  font-weight: 600;
}

nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--primary);
}

/* Mobile Menu */
@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: #fff;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .menu-checkbox:checked ~ nav {
    max-height: 400px;
  }

  nav ul {
    flex-direction: column;
    gap: 0;
    padding: 1rem 2rem;
  }

  nav a {
    display: block;
    padding: 1rem 0;
    border-bottom: 1px solid #e5e7eb;
  }

  nav li:last-child a {
    border-bottom: none;
  }
}

/* Buttons */
.btn-primary,
.btn-secondary {
  display: inline-block;
  border-radius: 0.375rem;
  padding: 0.75rem 1.5rem;
  font-weight: 500;
  font-size: 0.875rem;
  transition: all 0.2s;
  text-decoration: none;
  cursor: pointer;
}

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

.btn-primary:hover {
  background-color: var(--text);
  border-color: var(--text);
  text-decoration: none;
  transform: translateY(-1px);
}

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

.btn-secondary:hover {
  background-color: var(--primary);
  color: #fff;
  text-decoration: none;
  transform: translateY(-1px);
}

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, #f4f4f5 0%, #e4e4e7 100%);
  padding: 6rem 0;
  position: relative;
  overflow: hidden;
}

.hero-section .container {
  position: relative;
  z-index: 2;
}

.hero-text {
  font-size: 1.125rem;
  line-height: 1.75;
  max-width: 700px;
  margin-bottom: 2.5rem;
  color: var(--text);
}

.hero-cta {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.hero-decoration {
  position: absolute;
  width: 200px;
  height: 200px;
  right: 5%;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0.4;
}

@media (max-width: 768px) {
  .hero-section {
    padding: 4rem 0;
  }

  .hero-decoration {
    width: 120px;
    height: 120px;
    right: 2%;
  }
}

/* Features Section */
.features-section {
  padding: var(--section-padding);
  background-color: #fff;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--gap);
}

.feature-card {
  border-radius: 0.25rem;
  background: #f9fafb;
  padding: 1.5rem;
  transition: transform 0.2s;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

/* Intro Section */
.intro-section {
  padding: var(--section-padding);
  background-color: var(--bg);
  position: relative;
}

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

.intro-decoration {
  position: absolute;
  width: 300px;
  height: 200px;
  right: 5%;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0.3;
}

@media (max-width: 992px) {
  .intro-decoration {
    display: none;
  }
}

/* Stats Section */
.stats-section {
  padding: var(--section-padding);
  background-color: #fff;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: calc(var(--gap) * 0.8);
}

.stat-card {
  text-align: center;
  padding: 2rem 1rem;
  border-radius: 0.25rem;
  background: #f9fafb;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.95rem;
  color: var(--accent);
  font-weight: 500;
}

/* Benefits Section */
.benefits-section {
  padding: var(--section-padding);
  background-color: var(--bg);
}

.benefits-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  max-width: 900px;
}

.benefit-item {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
}

.benefit-icon {
  font-size: 1.75rem;
  color: var(--primary);
  flex-shrink: 0;
  font-weight: 700;
}

.benefit-text h3 {
  margin-bottom: 0.5rem;
}

/* CTA Section */
.cta-section {
  padding: var(--section-padding);
  background-color: #fff;
  text-align: center;
}

.cta-section p {
  max-width: 700px;
  margin: 0 auto 2.5rem;
  font-size: 1.125rem;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

/* Page Header */
.page-header {
  background: linear-gradient(135deg, #f4f4f5 0%, #e4e4e7 100%);
  padding: 4rem 0 3rem;
  text-align: center;
}

.subtitle {
  font-size: 1.125rem;
  color: var(--accent);
  max-width: 600px;
  margin: 0 auto;
}

/* Content Section */
.content-section {
  padding: var(--section-padding);
  background-color: #fff;
}

.content-section p {
  font-size: 1.05rem;
  line-height: 1.75;
}

/* Feature Detail Section */
.features-detail-section {
  padding: var(--section-padding);
  background-color: var(--bg);
}

.feature-detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--gap);
}

.feature-detail-card {
  border-radius: 0.25rem;
  background: #fff;
  padding: 1.5rem;
}

/* Approach Section */
.approach-section {
  padding: var(--section-padding);
  background-color: #fff;
}

.approach-list {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.approach-item {
  display: flex;
  align-items: flex-start;
  gap: 2rem;
}

.approach-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  flex-shrink: 0;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.25rem;
  background: #f9fafb;
}

.approach-content h3 {
  margin-bottom: 0.5rem;
}

/* Values Section */
.values-section {
  padding: var(--section-padding);
  background-color: var(--bg);
}

.values-section p {
  font-size: 1.05rem;
  line-height: 1.75;
  max-width: 900px;
}

/* Steps Section */
.steps-section {
  padding: var(--section-padding);
  background-color: var(--bg);
}

.steps-list {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

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

.step-number {
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  background-color: var(--primary);
  flex-shrink: 0;
  width: 100px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.25rem;
}

.step-content {
  flex: 1;
  background: #fff;
  padding: 1.5rem;
  border-radius: 0.25rem;
}

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

  .step-number {
    width: 80px;
    height: 40px;
    font-size: 1rem;
  }
}

/* Tips Section */
.tips-section {
  padding: var(--section-padding);
  background-color: #fff;
}

.tips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: calc(var(--gap) * 0.8);
}

.tip-card {
  border-radius: 0.25rem;
  background: #f9fafb;
  padding: 1.5rem;
  border-left: 4px solid var(--primary);
}

/* Common Mistakes Section */
.common-mistakes-section {
  padding: var(--section-padding);
  background-color: var(--bg);
}

.mistakes-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  max-width: 900px;
}

.mistake-item {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  background: #fff;
  padding: 1.5rem;
  border-radius: 0.25rem;
}

.mistake-icon {
  font-size: 1.75rem;
  color: #dc2626;
  flex-shrink: 0;
  font-weight: 700;
}

.mistake-text h3 {
  margin-bottom: 0.5rem;
}

/* Outcomes Section */
.outcomes-section {
  padding: var(--section-padding);
  background-color: var(--bg);
}

.outcomes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--gap);
}

.outcome-card {
  border-radius: 0.25rem;
  background: #fff;
  padding: 1.5rem;
}

/* Quality Indicators Section */
.quality-indicators-section {
  padding: var(--section-padding);
  background-color: #fff;
}

.quality-list {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.quality-item {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
}

.quality-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.quality-text h3 {
  margin-bottom: 0.5rem;
}

/* Comparison Section */
.comparison-section {
  padding: var(--section-padding);
  background-color: var(--bg);
}

.comparison-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--gap);
}

.comparison-card {
  border-radius: 0.25rem;
  background: #fff;
  padding: 1.5rem;
}

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

.comparison-card li {
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
}

.comparison-card li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}

/* Tips Results Section */
.tips-results-section {
  padding: var(--section-padding);
  background-color: #fff;
}

.tips-results-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  max-width: 900px;
}

.tip-result-item {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 1.25rem;
  border-radius: 0.25rem;
  background: #f9fafb;
}

.tip-result-number {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  flex-shrink: 0;
}

/* Contact Section */
.contact-section {
  padding: var(--section-padding);
  background-color: #fff;
  position: relative;
}

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

.contact-info-card {
  text-align: center;
  padding: 2rem;
  border-radius: 0.25rem;
  background: #f9fafb;
}

.contact-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.contact-info-card h3 {
  margin-bottom: 0.75rem;
}

.contact-info-card p {
  margin-bottom: 0.5rem;
}

.contact-desc {
  font-size: 0.9rem;
  color: var(--accent);
}

.contact-details {
  max-width: 800px;
  margin: 0 auto 2rem;
}

.contact-decoration {
  position: absolute;
  width: 400px;
  height: 200px;
  bottom: 10%;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0.2;
}

@media (max-width: 768px) {
  .contact-decoration {
    width: 300px;
    height: 150px;
  }
}

/* Footer */
footer {
  background-color: var(--primary);
  color: #fff;
  padding: 3rem 0 2rem;
  margin-top: 4rem;
}

.footer-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-info p {
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

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

.footer-links a {
  color: #fff;
  font-size: 0.9rem;
}

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

@media (max-width: 768px) {
  .footer-container {
    flex-direction: column;
    text-align: center;
  }

  .footer-links {
    flex-direction: column;
    gap: 1rem;
  }
}

/* Doc Container */
.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;
  font-size: 1.05rem;
}

.doc-container a {
  color: var(--primary);
  font-weight: 600;
}

/* Responsive */
@media (max-width: 992px) {
  :root {
    --section-padding: 4rem 0;
    --gap: 2.5rem;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 3rem 0;
    --gap: 2rem;
  }

  .container {
    padding: 0 1.5rem;
  }

  .hero-section {
    padding: 3rem 0;
  }

  .features-grid,
  .feature-detail-grid,
  .tips-grid,
  .outcomes-grid,
  .comparison-grid,
  .contact-info-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-cta,
  .cta-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-primary,
  .btn-secondary {
    text-align: center;
  }
}