:root {
  /* Primary */
  --primary-50:#E7EEF9;--primary-100:#CEDDF3;--primary-200:#A5C1E9;--primary-300:#7CA5DE;
  --primary-400:#3289FF;--primary-500:#4C98FF;--primary-600:#197AFF;--primary-700:#0061E5;
  --primary-800:#004BB2;--primary-900:#00357F;
  /* Secondary */
  --secondary-50:#E8E7F9;--secondary-100:#D1CEF3;--secondary-200:#A6A0EE;--secondary-300:#776CEF;
  --secondary-400:#4132FF;--secondary-500:#594CFE;--secondary-600:#2A19FF;--secondary-700:#1100E5;
  --secondary-800:#0D00B2;--secondary-900:#09007F;
  /* Tertiary */
  --tertiary-50:#E7F7F9;--tertiary-100:#CEF0F3;--tertiary-200:#A0E8EE;--tertiary-300:#6CE4EF;
  --tertiary-400:#32EFFF;--tertiary-500:#4CF1FE;--tertiary-600:#19EDFF;--tertiary-700:#00D3E5;
  --tertiary-800:#00A4B2;--tertiary-900:#00757F;
  /* Gray */
  --gray-50:#F2F2F2;--gray-100:#E5E5E5;--gray-200:#CBCBCB;--gray-300:#B2B2B2;
  --gray-400:#989898;--gray-500:#7F7F7F;--gray-600:#666666;--gray-700:#4D4D4D;
  --gray-800:#333333;--gray-900:#1F1F1F;
  /* Semantic - Success */
  --success-100:#E7F9ED;--success-200:#C3F1D3;--success-300:#8CE3AD;--success-400:#56D588;--success-500:#29B04A;
  /* Semantic - Warning */
  --warning-100:#FFF8E6;--warning-200:#FFEFCF;--warning-300:#FFE3A0;--warning-400:#FFD771;--warning-500:#F5A623;
  /* Semantic - Error */
  --error-100:#FDEBEC;--error-200:#F9D6D7;--error-300:#F1A9AB;--error-400:#EA7C7E;--error-500:#D13438;
  /* Semantic - Info */
  --info-100:#DBECF0;--info-200:#B3DDE6;--info-300:#85D1E0;--info-400:#57C5DB;--info-500:#26BBD9;

  --color-bg-surface: #FFFFFF;
  --color-bg-elevated: rgba(231, 238, 249, 0.75);
  --color-bg-primary: var(--primary-50);
  --color-text-primary: #1F1F1F;
  --color-text-secondary: #4A4A4A;
  --color-text-inverted: #FFFFFF;
  --color-border-default: var(--gray-200);
  --color-border-strong: var(--gray-400);
  --shadow-depth-1: 0 12px 32px rgba(13, 0, 178, 0.08);
  --shadow-depth-2: 0 20px 60px rgba(0, 61, 213, 0.12);
  --blur-strong: blur(24px);
  --transition-base: all 220ms ease;
  font-size: 16px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', 'Apple SD Gothic Neo', 'Noto Sans KR', sans-serif;
  color: var(--color-text-primary);
  background: linear-gradient(135deg, rgba(231,238,249,0.3) 0%, rgba(255,255,255,0.95) 50%, rgba(219,236,240,0.2) 100%);
  min-height: 100vh;
  line-height: 1.6;
}

/* Header & Navigation */
header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(18px);
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid var(--color-border-default);
  z-index: 100;
}

.navbar {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.125rem;
  text-decoration: none;
  color: var(--color-text-primary);
}

.brand:hover {
  text-decoration: none;
}

.brand-mark {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary-500), var(--secondary-500));
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: var(--color-text-inverted);
  letter-spacing: 0.08em;
  font-size: 0.85rem;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 32px;
  align-items: center;
}

nav a {
  color: var(--color-text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
  transition: var(--transition-base);
}

nav a:hover {
  color: var(--primary-600);
  text-decoration: none;
}

.nav-cta {
  padding: 8px 18px;
  background: var(--primary-500);
  color: var(--color-text-inverted) !important;
  border-radius: 8px;
}

.nav-cta:hover {
  background: var(--primary-600);
}

/* Main Layout */
main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

/* Hero Section - New */
.hero-new {
  padding: 120px 0 80px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(76, 152, 255, 0.12);
  border: 1px solid rgba(76, 152, 255, 0.3);
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary-700);
  margin-bottom: 24px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--primary-500);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.9); }
}

.hero-new h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.15;
  margin: 0 0 24px;
  background: linear-gradient(135deg, var(--primary-700), var(--secondary-600));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2vw, 1.25rem);
  color: var(--color-text-secondary);
  margin: 0 auto 40px;
  max-width: 700px;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 80px;
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
  max-width: 900px;
  margin: 0 auto;
}

.stat-card {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(76, 152, 255, 0.2);
  border-radius: 16px;
  padding: 28px 20px;
  text-align: center;
  box-shadow: 0 8px 24px rgba(76, 152, 255, 0.08);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-600);
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

/* Buttons */
.button-primary, .button-secondary {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: var(--transition-base);
  cursor: pointer;
  border: none;
}

.button-primary {
  background: linear-gradient(135deg, var(--primary-500), var(--secondary-500));
  color: var(--color-text-inverted);
  box-shadow: 0 8px 24px rgba(76, 152, 255, 0.25);
}

.button-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(76, 152, 255, 0.35);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.9);
  color: var(--primary-600);
  border: 2px solid var(--primary-300);
}

.button-secondary:hover {
  border-color: var(--primary-500);
  background: rgba(231, 238, 249, 0.5);
}

/* Section Common Styles */
section {
  padding: 100px 0;
}

.section-intro {
  text-align: center;
  margin-bottom: 64px;
}

.section-label {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary-600);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.section-intro h2 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  margin: 0 0 16px;
}

.section-intro p {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  max-width: 700px;
  margin: 0 auto;
}

/* Why Section */
.why-section {
  background: linear-gradient(135deg, rgba(76,152,255,0.05), rgba(89,76,254,0.05));
  margin: 0 -40px;
  padding: 100px 40px;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  max-width: 1200px;
  margin: 0 auto;
}

.benefit-card {
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(76, 152, 255, 0.15);
  border-radius: 20px;
  padding: 32px;
  transition: var(--transition-base);
}

.benefit-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(76, 152, 255, 0.15);
}

.benefit-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.benefit-card h3 {
  font-size: 1.375rem;
  margin: 0 0 12px;
  color: var(--primary-700);
}

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

/* Platform Section */
.platform-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
}

.platform-card {
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(76, 152, 255, 0.2);
  border-radius: 24px;
  padding: 36px;
  transition: var(--transition-base);
}

.platform-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 48px rgba(76, 152, 255, 0.18);
}

.card-header {
  margin-bottom: 20px;
}

.card-badge {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.badge-success {
  background: rgba(41, 176, 74, 0.15);
  color: var(--success-500);
}

.badge-warning {
  background: rgba(245, 166, 35, 0.15);
  color: var(--warning-500);
}

.badge-info {
  background: rgba(38, 187, 217, 0.15);
  color: var(--info-500);
}

.card-header h3 {
  font-size: 1.75rem;
  margin: 0;
}

.card-description {
  color: var(--color-text-secondary);
  margin-bottom: 24px;
  line-height: 1.7;
}

.card-features {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.check-icon {
  width: 20px;
  height: 20px;
  color: var(--primary-500);
  flex-shrink: 0;
  margin-top: 2px;
}

.feature-item span {
  color: var(--color-text-primary);
  font-size: 0.938rem;
}

/* Technology Section */
.tech-section {
  background: linear-gradient(135deg, rgba(89,76,254,0.08), rgba(76,152,255,0.08));
  margin: 0 -40px;
  padding: 100px 40px;
}

.tech-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 64px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.tech-description {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  margin-bottom: 32px;
  line-height: 1.7;
}

.tech-features {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.tech-feature h4 {
  font-size: 1.125rem;
  margin-bottom: 8px;
  color: var(--primary-700);
}

.tech-feature p {
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.tech-card-stack {
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
}

.tech-card {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(76, 152, 255, 0.2);
  border-radius: 16px;
  padding: 24px;
  transition: var(--transition-base);
}

.tech-card:hover {
  transform: translateX(8px);
}

.tech-card-highlight {
  background: linear-gradient(135deg, rgba(76,152,255,0.15), rgba(89,76,254,0.15));
  border: 2px solid var(--primary-400);
}

.tech-card-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--primary-700);
  margin-bottom: 8px;
}

.tech-card-content {
  color: var(--color-text-secondary);
}

/* Security Section */
.compliance-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 24px;
  margin-bottom: 64px;
}

.compliance-card {
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(76, 152, 255, 0.15);
  border-radius: 16px;
  padding: 28px 20px;
  text-align: center;
  transition: var(--transition-base);
}

.compliance-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(76, 152, 255, 0.12);
}

.compliance-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-600);
  margin-bottom: 12px;
}

.compliance-card p {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.security-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}

.security-feature-card {
  background: rgba(231, 238, 249, 0.4);
  border: 1px solid rgba(76, 152, 255, 0.2);
  border-radius: 16px;
  padding: 32px;
}

.security-feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
  color: var(--primary-700);
}

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

/* Pricing Section */
.pricing-section {
  background: linear-gradient(180deg, rgba(255,255,255,0), rgba(231,238,249,0.3));
  margin: 0 -40px;
  padding: 100px 40px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  max-width: 1200px;
  margin: 0 auto;
}

.pricing-card {
  background: rgba(255, 255, 255, 0.95);
  border: 2px solid rgba(76, 152, 255, 0.2);
  border-radius: 24px;
  padding: 40px 32px;
  position: relative;
  transition: var(--transition-base);
}

.pricing-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 48px rgba(76, 152, 255, 0.2);
}

.pricing-featured {
  border-color: var(--primary-500);
  border-width: 3px;
  box-shadow: 0 12px 40px rgba(76, 152, 255, 0.18);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary-500);
  color: var(--color-text-inverted);
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.pricing-header {
  text-align: center;
  margin-bottom: 24px;
}

.pricing-header h3 {
  font-size: 1.75rem;
  margin-bottom: 8px;
}

.pricing-desc {
  color: var(--color-text-secondary);
  font-size: 0.938rem;
}

.pricing-price {
  text-align: center;
  margin-bottom: 32px;
  padding-bottom: 32px;
  border-bottom: 2px solid rgba(76, 152, 255, 0.1);
}

.price-amount {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary-600);
}

.price-period {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
}

.pricing-features {
  list-style: none;
  margin-bottom: 32px;
}

.pricing-features li {
  padding: 12px 0;
  color: var(--color-text-primary);
  border-bottom: 1px solid rgba(76, 152, 255, 0.1);
  font-size: 0.938rem;
}

.pricing-features li:last-child {
  border-bottom: none;
}

.pricing-button {
  display: block;
  width: 100%;
  text-align: center;
}

/* Contact Section */
.contact-section {
  padding: 120px 0;
}

.contact-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 64px;
  align-items: start;
}

.contact-info h2 {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.contact-info p {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  margin-bottom: 32px;
  line-height: 1.7;
}

.contact-benefits {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-benefit {
  display: flex;
  align-items: center;
  gap: 12px;
}

.benefit-check {
  width: 24px;
  height: 24px;
  color: var(--success-500);
  flex-shrink: 0;
}

.contact-benefit span {
  font-size: 1rem;
  color: var(--color-text-primary);
}

/* Contact Form */
.contact-form {
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(76, 152, 255, 0.2);
  border-radius: 24px;
  padding: 40px;
  box-shadow: 0 12px 40px rgba(76, 152, 255, 0.1);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-weight: 600;
  color: var(--color-text-primary);
  font-size: 0.938rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 2px solid rgba(76, 152, 255, 0.2);
  border-radius: 10px;
  font-size: 1rem;
  font-family: inherit;
  background: rgba(255, 255, 255, 0.9);
  transition: var(--transition-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 4px rgba(76, 152, 255, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.contact-form button[type="submit"] {
  width: 100%;
  margin-top: 8px;
}

/* Footer */
footer {
  background: linear-gradient(135deg, var(--primary-900), var(--secondary-900));
  color: var(--color-text-inverted);
  margin-top: 100px;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 64px 40px 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand {
  max-width: 300px;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.8);
  margin: 16px 0 24px;
  line-height: 1.6;
}

.footer-social {
  display: flex;
  gap: 16px;
}

.footer-social a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: 0.938rem;
  transition: var(--transition-base);
}

.footer-social a:hover {
  color: var(--primary-300);
}

.footer-grid h4 {
  margin-bottom: 16px;
  font-size: 1rem;
}

.footer-grid ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-grid a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: 0.938rem;
  transition: var(--transition-base);
}

.footer-grid a:hover {
  color: var(--primary-300);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
}

/* Responsive Design */
@media (max-width: 768px) {
  .navbar {
    padding: 16px 24px;
  }

  nav ul {
    gap: 20px;
  }

  nav a {
    font-size: 0.875rem;
  }

  main {
    padding: 0 24px;
  }

  .hero-new {
    padding: 80px 0 60px;
  }

  .hero-new h1 {
    font-size: 2.25rem;
  }

  section {
    padding: 60px 0;
  }

  .why-section,
  .tech-section,
  .pricing-section {
    margin: 0 -24px;
    padding: 60px 24px;
  }

  .benefits-grid,
  .platform-grid,
  .security-features,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .tech-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .contact-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .navbar {
    flex-direction: column;
    gap: 16px;
    padding: 16px 20px;
  }

  nav ul {
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
  }

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

  .button-primary,
  .button-secondary {
    width: 100%;
  }

  .compliance-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}