:root {
  --primary-color: #0056b3;
  --secondary-color: #ff9900;
  --text-color: #333333;
  --bg-color: #f8f9fa;
  --white: #ffffff;
  --gray-light: #e9ecef;
  --font-main: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, 'Helvetica Neue', 'Segoe UI', 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', sans-serif;
  --transition: all 0.3s ease;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

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

body {
  font-family: var(--font-main);
  color: var(--text-color);
  background-color: var(--bg-color);
  line-height: 1.6;
  overflow-x: hidden;
  /* Prevent horizontal scroll */
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
header {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  z-index: 9999;
  /* Ensure top priority */
  padding: 10px 0;
  transition: all 0.3s ease;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 60px;
}

.logo {
  display: flex;
  align-items: center;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--primary-color);
  white-space: nowrap;
  flex-shrink: 0;
}

.logo img {
  max-height: 40px;
  margin-right: 10px;
  border-radius: 50%;
}

.nav-links {
  display: flex;
  gap: 30px;
  align-items: center;
}

.nav-links a {
  font-weight: 500;
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--secondary-color);
}

.cta-button {
  background-color: var(--secondary-color);
  color: var(--white);
  padding: 10px 20px;
  border-radius: 5px;
  font-weight: 600;
  transition: var(--transition);
}

.cta-button:hover {
  background-color: #e68a00;
  transform: translateY(-2px);
}

/* Hero Section */
.hero {
  display: flex;
  align-items: center;
  min-height: 90vh;
  padding-top: 150px;
  padding-bottom: 80px;
  background: linear-gradient(135deg, #f0f4f8 0%, #ffffff 100%);
}

.hero-content {
  flex: 1;
}

.hero h1 {
  font-size: 3.5rem;
  line-height: 1.3;
  margin-bottom: 20px;
  color: #1a1a1a;
  word-break: keep-all;
}

.hero h1 span {
  color: var(--primary-color);
}

.hero p {
  font-size: 1.25rem;
  color: #666;
  margin-bottom: 40px;
  max-width: 600px;
  word-break: keep-all;
}

.hero-image {
  flex: 1;
  display: flex;
  justify-content: center;
  position: relative;
}

.hero-image img {
  max-width: 100%;
  height: auto;
  filter: drop-shadow(0 20px 30px rgba(0, 0, 0, 0.15));
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0% {
    transform: translateY(0px);
  }

  50% {
    transform: translateY(-20px);
  }

  100% {
    transform: translateY(0px);
  }
}

/* Problem Solution Section */
.problem-solution {
  padding: 100px 0;
  background-color: var(--white);
  text-align: center;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 40px;
  position: relative;
  display: inline-block;
}

.section-title span {
  position: relative;
  display: inline-block;
}

.section-title span::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 100%;
  height: 8px;
  background-color: var(--secondary-color);
  border-radius: 4px;
  opacity: 0.8;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.feature-card {
  background: var(--white);
  padding: 40px;
  border-radius: 20px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--gray-light);
  text-align: left;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary-color);
}

/* Comparison Section Styles */
.comparison-grid {
  display: flex;
  gap: 40px;
  justify-content: center;
  flex-wrap: wrap;
  text-align: left;
}

.comparison-card {
  flex: 1;
  min-width: 280px;
  background: #fff;
  padding: 40px;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.comparison-card.problem {
  border-top: 5px solid #ff6b6b;
}

.comparison-card.solution {
  border-top: 5px solid #2ecc71;
}

.comparison-title {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 30px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.problem .comparison-title,
.solution .comparison-title {
  color: #333;
}

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

/* Comparison Icons on Right */
.comparison-list li {
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  font-size: 1.05rem;
  color: #555;
  text-align: left;
}

.problem .comparison-list li::after {
  content: '\f057';
  font-family: 'Font Awesome 5 Free';
  font-weight: 900;
  color: #ff6b6b;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.solution .comparison-list li::after {
  content: '\f058';
  font-family: 'Font Awesome 5 Free';
  font-weight: 900;
  color: #2ecc71;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.icon-box {
  width: 60px;
  height: 60px;
  background-color: rgba(0, 86, 179, 0.1);
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--primary-color);
  font-size: 24px;
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
}

.feature-card p {
  color: #666;
  font-size: 1rem;
}

/* Services Detailed */
.services-highlight {
  padding: 100px 0;
  background-color: #f1f3f5;
}

.service-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 80px;
}

.service-row:last-child {
  margin-bottom: 0;
}

.service-row.reverse {
  direction: rtl;
}

.service-row.reverse .service-text {
  direction: ltr;
}

.service-content h3 {
  font-size: 2rem;
  margin-bottom: 20px;
  color: var(--primary-color);
}

.service-content ul {
  margin-top: 20px;
}

.service-content li {
  margin-bottom: 10px;
  display: flex;
  align-items: center;
}

.service-content li::before {
  content: '✓';
  color: var(--secondary-color);
  font-weight: bold;
  margin-right: 10px;
}

/* Stats Section */
.stats {
  background-color: var(--white);
  padding: 100px 0;
  text-align: center;
}

.stats-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: #000;
  margin-bottom: 10px;
}

.stats-subtitle {
  color: #666;
  margin-bottom: 60px;
  font-size: 1.1rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 30px;
}

.stat-card {
  background: var(--white);
  padding: 40px 20px;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  border: 1px solid #f0f0f0;
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.stat-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  background: linear-gradient(135deg, #e0f2ff 0%, #f0f4f8 100%);
  color: var(--primary-color);
}

.stat-card h3 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 10px;
  color: var(--primary-color);
}

.stat-card p {
  font-size: 1.1rem;
  color: #000;
  font-weight: 700;
  margin-top: 10px;
}

/* Call to Action & Contact Form */
.cta-section {
  padding: 100px 0;
  text-align: center;
  background: url('../assets/pattern.svg') center/cover;
}

.cta-box {
  background-color: var(--white);
  padding: 60px;
  border-radius: 30px;
  box-shadow: var(--shadow-hover);
  max-width: 800px;
  margin: 0 auto;
}

.contact-form-box {
  max-width: 700px;
}

.cta-box h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.cta-box p {
  font-size: 1.2rem;
  color: #666;
  margin-bottom: 40px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 15px;
  margin-bottom: 40px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 15px;
  border: 1px solid #ddd;
  border-radius: 10px;
  font-size: 1rem;
  font-family: inherit;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.1);
}

.btn-submit {
  width: 100%;
  border: none;
  cursor: pointer;
  font-size: 1.1rem;
}

.contact-actions {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.action-btn {
  flex: 1;
  min-width: 200px;
  padding: 15px 20px;
  border-radius: 10px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: var(--transition);
}

.btn-kakao {
  background-color: #FEE500;
  color: #3c1e1e;
}

.btn-kakao:hover {
  background-color: #fdd835;
  transform: translateY(-2px);
}

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

.btn-phone:hover {
  background-color: var(--primary-color);
  color: var(--white);
  transform: translateY(-2px);
}

.quote-icon {
  font-size: 2rem;
  color: #ffd700;
  margin-bottom: 15px;
}

.testimonial-text {
  font-style: italic;
  margin-bottom: 20px;
  line-height: 1.8;
}

.testimonial-author strong {
  display: block;
  color: var(--text-color);
  font-size: 1.1rem;
}

.testimonial-author span {
  font-size: 0.9rem;
  color: #888;
}

.btn-large {
  padding: 15px 40px;
  font-size: 1.2rem;
}

/* Footer */
footer {
  background-color: #1a1a1a;
  color: #999;
  padding: 60px 0 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-col h4 {
  color: var(--white);
  margin-bottom: 20px;
  font-size: 1.2rem;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col a:hover {
  color: var(--secondary-color);
}

.copyright {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid #333;
}

/* Service List Card Styles (04-06) */
.service-list-card {
  list-style: none;
  padding: 0;
  margin-top: 15px;
}

.service-list-card li {
  position: relative;
  padding-left: 25px;
  margin-bottom: 10px;
  color: #555;
  font-size: 1rem;
}

.service-list-card li::before {
  content: '\f00c';
  font-family: "Font Awesome 5 Free";
  font-weight: 900;
  position: absolute;
  left: 0;
  top: 0;
  color: var(--secondary-color);
}

.feature-card h4 {
  font-size: 1.6rem;
  display: flex;
  align-items: center;
}

/* Process Section */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
}

.process-card {
  background: #fff;
  padding: 40px 20px;
  border-radius: 20px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  position: relative;
  transition: transform 0.3s ease;
  border: 1px solid #eee;
}

.process-card:hover {
  transform: translateY(-10px);
}

.step-number {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary-color);
  color: #fff;
  width: 35px;
  height: 35px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 0.9rem;
  box-shadow: 0 5px 15px rgba(32, 79, 148, 0.3);
}

.step-icon {
  width: 70px;
  height: 70px;
  background: #f0f4f8;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  color: var(--primary-color);
  font-size: 1.8rem;
}

.process-card h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
  color: #333;
}

.process-card p {
  font-size: 0.95rem;
  color: #666;
  line-height: 1.6;
  word-break: keep-all;
}

/* Process Arrow (Desktop) */
@media (min-width: 992px) {
  .process-card:not(:last-child)::after {
    content: '\f061';
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    position: absolute;
    right: -25px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.2rem;
    color: #ddd;
    z-index: 10;
  }
}

/* Mobile Responsive for Process */
@media (max-width: 991px) {
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-card:not(:last-child)::after {
    display: none;
  }
}

/* Mobile Responsive (768px and below) */
@media (max-width: 768px) {

  /* Prevent horizontal overflow - REMOVED to fix scroll lock */
  body {
    width: 100%;
    position: relative;
  }

  .container {
    padding: 0 25px;
    /* Increase side padding to reduce content width slightly */
    width: 100%;
  }

  /* Strict Mobile Menu */
  .nav-links {
    display: none;
    /* Hide by default */
    position: fixed;
    top: 60px;
    left: 0;
    width: 100%;
    height: auto;
    background-color: #fff;
    flex-direction: column;
    padding: 30px 0;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    z-index: 999;
  }

  .nav-links.active {
    display: flex;
    /* Show when active */
  }

  .nav-links .cta-button {
    display: none;
  }

  /* Header CTA Visibility */
  .header-cta {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    padding: 8px 12px;
    font-size: 0.8rem;
    margin-right: 15px;
    white-space: nowrap;
  }

  /* Header Logic for Sticky */
  header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 9999;
  }

  /* Logo Size Reduction */
  .logo {
    font-size: 1.2rem;
  }

  .logo img {
    max-height: 30px;
    margin-right: 8px;
  }

  .mobile-menu-btn {
    display: block;
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--text-color);
    z-index: 1001;
  }

  /* Section Padding Reductions */
  .hero {
    padding-top: 100px;
    padding-bottom: 40px;
    height: auto;
    min-height: auto;
    text-align: center;
  }

  .problem-solution,
  .services-highlight,
  .stats,
  .cta-section,
  .testimonials,
  #process {
    padding: 50px 0 !important;
  }

  /* Hero Fixes */
  .hero .container {
    flex-direction: column-reverse !important;
    gap: 30px !important;
    align-items: center !important;
  }

  .hero-content {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  /* Hero Image Scale Reduction */
  .hero-image img {
    max-width: 280px;
    width: 100%;
  }

  .hero h1 {
    font-size: 2rem;
    word-break: keep-all;
    margin-bottom: 10px;
    width: 100%;
  }

  .hero p {
    font-size: 1rem;
    max-width: 100%;
    margin-bottom: 25px;
  }

  .section-title {
    font-size: 1.6rem;
    text-align: center;
    margin-bottom: 25px;
  }

  /* Grids */
  .features-grid,
  .comparison-grid,
  .process-grid,
  .stats-grid,
  .footer-grid,
  .service-row {
    grid-template-columns: 1fr;
    display: flex;
    flex-direction: column;
    gap: 15px;
    width: 100%;
  }

  .feature-card,
  .comparison-card,
  .process-card,
  .stat-card,
  .cta-box {
    width: 100%;
    padding: 25px 15px;
    text-align: center;
    min-width: 0;
  }

  /* Center Features Title on Mobile */
  .feature-card h4 {
    justify-content: center;
    margin-bottom: 15px;
  }

  /* Process Grid */
  .process-grid {
    display: grid;
    grid-template-columns: 1fr;
  }

  .comparison-list li {
    text-align: left;
    margin-bottom: 15px;
  }

  .service-row {
    text-align: center;
    gap: 30px;
    margin-bottom: 40px;
    width: 100%;
  }

  .service-row.reverse {
    flex-direction: column;
  }

  .service-image {
    height: auto !important;
    min-height: unset;
  }

  .service-image img {
    width: 100%;
    height: auto;
    object-fit: contain !important;
    max-height: 250px;
  }

  .service-content h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    word-break: break-word;
  }

  /* Centering Service Lists with Orange Checks (01-03) */
  .service-content ul li {
    justify-content: center;
    text-align: center;
  }

  .service-content p {
    word-break: keep-all;
  }

  /* Centering Service List Cards (04-06) */
  .service-list-card li {
    display: flex;
    justify-content: center;
    align-items: center;
    padding-left: 0;
    text-align: center;
    gap: 10px;
    margin-bottom: 8px;
  }

  .service-list-card li::before {
    position: static;
    left: auto;
    top: auto;
    margin-right: 0;
  }

  .cta-box h2 {
    font-size: 1.5rem;
    word-break: keep-all;
  }

  .cta-box {
    padding: 30px 20px;
  }

  .footer-grid {
    text-align: center;
    gap: 25px;
  }

  footer {
    padding: 40px 0 20px;
  }
}

@media (min-width: 769px) {
  .mobile-menu-btn {
    display: none;
  }

  .header-cta {
    display: inline-block;
  }
}