/* General Theme Colors and Settings */
:root {
  --color-primary: #0f172a;       /* Slate 900 */
  --color-secondary: #3b82f6;     /* Blue 500 */
  --color-accent: #06b6d4;        /* Cyan 500 */
  --color-bg-light: #f8fafc;      /* Slate 50 */
  --color-text-dark: #0f172a;
  --color-text-muted: #475569;    /* Slate 600 */
  --color-success: #10b981;       /* Emerald 500 */
  --font-family: 'Inter', 'Noto Sans KR', sans-serif;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --border-radius-lg: 12px;
  --border-radius-md: 8px;
  --box-shadow-premium: 0 10px 30px -10px rgba(15, 23, 42, 0.08);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  background-color: #ffffff;
  color: var(--color-text-dark);
  line-height: 1.625;
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Typography Base */
h1, h2, h3, h4 {
  color: var(--color-primary);
  font-weight: 700;
  line-height: 1.25;
}

p {
  color: var(--color-text-muted);
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-smooth);
}

.text-accent {
  color: var(--color-secondary);
}

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

/* Button UI */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.75rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition-smooth);
}

.btn-primary {
  background-color: var(--color-secondary);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: #2563eb;
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(59, 130, 246, 0.3);
}

.btn-secondary {
  background-color: transparent;
  border-color: #e2e8f0;
  color: var(--color-primary);
}

.btn-secondary:hover {
  background-color: #f1f5f9;
  border-color: #cbd5e1;
}

.btn-large {
  padding: 1rem 2.25rem;
  font-size: 1.1rem;
}

.btn-block {
  display: flex;
  width: 100%;
}

/* Header UI */
.main-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid #e2e8f0;
  transition: var(--transition-smooth);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.brand-logo {
  display: block;
}

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

.nav-menu a {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

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

.btn-primary-nav {
  padding: 0.5rem 1.25rem;
  font-size: 0.9rem;
  background-color: var(--color-primary);
  color: #ffffff !important;
  border-radius: var(--border-radius-md);
}

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

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 6px;
  width: 30px;
  z-index: 1001;
}

.menu-toggle .bar {
  width: 100%;
  height: 3px;
  background-color: var(--color-primary);
  border-radius: 2px;
  transition: var(--transition-smooth);
}

/* Hero UI */
.hero-section {
  padding: 160px 0 80px 0;
  background-color: var(--color-bg-light);
  overflow: hidden;
}

.hero-container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}

.hero-content {
  max-width: 650px;
}

.hero-tag {
  display: inline-block;
  padding: 0.4rem 1rem;
  background-color: rgba(59, 130, 246, 0.1);
  color: var(--color-secondary);
  font-size: 0.875rem;
  font-weight: 700;
  border-radius: 50px;
  margin-bottom: 1.5rem;
}

.hero-content h1 {
  font-size: 2.85rem;
  letter-spacing: -1px;
  margin-bottom: 1.5rem;
  color: var(--color-primary);
}

.hero-content p {
  font-size: 1.125rem;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
}

/* Trust Badges Strip */
.trust-strip {
  border-top: 1px solid #e2e8f0;
  padding-top: 1.5rem;
}

.trust-title {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  color: #94a3b8;
  margin-bottom: 0.75rem;
}

.trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.badge svg {
  color: var(--color-success);
}

/* Hero Media Card layout */
.hero-media {
  position: relative;
}

.hero-image {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius-lg);
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.1);
  object-fit: cover;
  display: block;
}

.media-overlay-card {
  position: absolute;
  bottom: -30px;
  left: -30px;
  background-color: var(--color-primary);
  padding: 1.5rem;
  border-radius: var(--border-radius-lg);
  color: #ffffff;
  max-width: 320px;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.overlay-text {
  font-size: 0.95rem;
  font-style: italic;
  color: #e2e8f0;
  margin-bottom: 0.5rem;
}

.overlay-author {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-accent);
}

/* Sections General Header styles */
.section-header {
  max-width: 700px;
  margin: 0 auto 4rem auto;
}

.sub-title {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--color-secondary);
  display: inline-block;
  margin-bottom: 0.75rem;
}

.section-header h2 {
  font-size: 2.25rem;
  margin-bottom: 1.25rem;
}

.section-desc {
  font-size: 1.1rem;
}

/* Value Prop / Benefits UI */
.benefits-section {
  padding: 100px 0;
  background-color: #ffffff;
}

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

.benefit-card {
  padding: 2.5rem 2rem;
  border-radius: var(--border-radius-lg);
  background-color: var(--color-bg-light);
  border: 1px solid #f1f5f9;
  transition: var(--transition-smooth);
}

.benefit-card:hover {
  transform: translateY(-5px);
  background-color: #ffffff;
  box-shadow: var(--box-shadow-premium);
  border-color: #e2e8f0;
}

.benefit-icon {
  width: 60px;
  height: 60px;
  background-color: rgba(59, 130, 246, 0.08);
  color: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius-md);
  margin-bottom: 1.5rem;
}

.benefit-card h3 {
  font-size: 1.35rem;
  margin-bottom: 1rem;
}

.benefit-card p {
  font-size: 0.95rem;
  line-height: 1.6;
}

/* How It Works Steps UI */
.how-it-works-section {
  padding: 100px 0;
  background-color: var(--color-bg-light);
}

.steps-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.step-card {
  position: relative;
  background: #ffffff;
  padding: 2.5rem 2rem;
  border-radius: var(--border-radius-lg);
  box-shadow: 0 4px 15px rgba(0,0,0,0.02);
}

.step-num {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1;
  color: rgba(59, 130, 246, 0.15);
  margin-bottom: 1rem;
}

.step-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}

.step-card p {
  font-size: 0.9rem;
  line-height: 1.55;
}

/* Services / Features Section */
.services-section {
  padding: 100px 0;
  background-color: #ffffff;
}

.services-wrapper {
  display: flex;
  flex-direction: column;
  gap: 6rem;
}

.service-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

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

.service-item.reverse .service-info {
  direction: ltr;
}

.service-image-box {
  width: 100%;
}

.service-img {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--box-shadow-premium);
  object-fit: cover;
  display: block;
}

.service-info {
  padding: 1rem 0;
}

.service-badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.service-info h3 {
  font-size: 1.85rem;
  margin-bottom: 1.25rem;
}

.service-info p {
  font-size: 1.05rem;
  margin-bottom: 1.5rem;
}

.service-list {
  list-style-type: none;
}

.service-list li {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-dark);
}

.service-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-success);
  font-weight: bold;
}

/* Testimonials / Social Proof UI */
.testimonials-section {
  padding: 100px 0;
  background-color: var(--color-bg-light);
}

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

.testimonial-card {
  background-color: #ffffff;
  padding: 3rem 2rem;
  border-radius: var(--border-radius-lg);
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.02);
  display: flex;
  flex-direction: column;
}

.quote-icon {
  font-size: 4rem;
  font-family: serif;
  color: var(--color-secondary);
  line-height: 0.1;
  margin-bottom: 1rem;
}

.testimonial-text {
  font-size: 0.95rem;
  font-style: italic;
  line-height: 1.7;
  margin-bottom: 2rem;
  flex-grow: 1;
}

.author-info {
  border-top: 1px solid #e2e8f0;
  padding-top: 1.25rem;
}

.author-details strong {
  display: block;
  font-size: 1rem;
  color: var(--color-primary);
}

.author-details span {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* About Section UI */
.about-section {
  padding: 100px 0;
  background-color: #ffffff;
}

.about-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-content h2 {
  font-size: 2.25rem;
  margin-bottom: 1.5rem;
}

.about-content p {
  font-size: 1.05rem;
  margin-bottom: 1.5rem;
}

.about-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.about-feat-item strong {
  display: block;
  font-size: 2rem;
  color: var(--color-secondary);
  line-height: 1.1;
}

.about-feat-item span {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.about-image {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--box-shadow-premium);
  display: block;
}

/* FAQ Accordion UI */
.faq-section {
  padding: 100px 0;
  background-color: var(--color-bg-light);
}

.faq-accordion {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: #ffffff;
  border-radius: var(--border-radius-md);
  margin-bottom: 1rem;
  border: 1px solid #e2e8f0;
  overflow: hidden;
}

.faq-trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
}

.faq-question {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
}

.faq-icon {
  width: 20px;
  height: 20px;
  position: relative;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background-color: var(--color-text-muted);
  transition: var(--transition-smooth);
}

.faq-icon::before {
  top: 9px;
  left: 0;
  width: 100%;
  height: 2px;
}

.faq-icon::after {
  top: 0;
  left: 9px;
  width: 2px;
  height: 100%;
}

.faq-trigger[aria-expanded="true"] .faq-icon::after {
  transform: rotate(90deg);
  opacity: 0;
}

.faq-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
}

.faq-panel p {
  padding: 0 2rem 1.5rem 2rem;
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--color-text-muted);
}

/* Lead Gen Form Section UI */
.contact-section {
  padding: 100px 0;
  background-color: var(--color-primary);
  color: #ffffff;
}

.contact-container {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 5rem;
  align-items: center;
}

.contact-info-block h2 {
  color: #ffffff;
  font-size: 2.25rem;
  margin-bottom: 1.5rem;
}

.contact-info-block p {
  color: #94a3b8;
  font-size: 1.1rem;
  margin-bottom: 2.5rem;
}

.contact-reassurances {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.reassurance-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.95rem;
  color: #cbd5e1;
}

.reassurance-item svg {
  color: var(--color-accent);
}

/* Actual Form Styling */
.contact-form-block {
  background: #ffffff;
  border-radius: var(--border-radius-lg);
  padding: 3rem;
  box-shadow: 0 20px 40px rgba(0,0,0,0.15);
  color: var(--color-text-dark);
  position: relative;
}

.lead-generation-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.lead-generation-form .form-group {
  margin-bottom: 1.5rem;
}

.lead-generation-form label {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--color-primary);
}

.lead-generation-form input[type="text"],
.lead-generation-form input[type="email"],
.lead-generation-form input[type="tel"],
.lead-generation-form textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-family);
  font-size: 0.95rem;
  border: 1px solid #cbd5e1;
  border-radius: var(--border-radius-md);
  outline: none;
  transition: var(--transition-smooth);
}

.lead-generation-form input:focus,
.lead-generation-form textarea:focus {
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.phone-input-wrapper {
  display: flex;
  align-items: center;
  border: 1px solid #cbd5e1;
  border-radius: var(--border-radius-md);
  overflow: hidden;
}

.phone-prefix {
  background-color: #f1f5f9;
  padding: 0.75rem 1rem;
  font-weight: 700;
  border-right: 1px solid #cbd5e1;
  color: var(--color-text-muted);
}

.phone-input-wrapper input {
  border: none !important;
  border-radius: 0 !important;
  outline: none !important;
  box-shadow: none !important;
}

.form-help {
  display: block;
  font-size: 0.75rem;
  color: #64748b;
  margin-top: 0.25rem;
}

.form-consent {
  margin-bottom: 1.5rem;
}

.consent-label {
  display: flex !important;
  align-items: flex-start;
  gap: 0.75rem;
  font-weight: 400 !important;
  cursor: pointer;
}

.consent-label input {
  margin-top: 0.25rem;
}

.consent-text {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.legal-link-inline {
  color: var(--color-secondary);
  font-weight: 600;
  text-decoration: underline;
}

.required {
  color: #ef4444;
}

/* Inline Success State Overlay on Form */
.success-message-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #ffffff;
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  z-index: 10;
}

.success-box {
  text-align: center;
}

.success-box svg {
  margin-bottom: 1.5rem;
}

.success-box h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.success-box p {
  font-size: 1rem;
}

/* Footer UI */
.main-footer {
  background-color: #0b0f19;
  color: #94a3b8;
  padding: 80px 0 30px 0;
  border-top: 1px solid #1e293b;
}

.footer-container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.brand-logo-footer {
  margin-bottom: 1.5rem;
}

.footer-text-desc {
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.operator-statement {
  font-size: 0.8rem;
  color: #64748b;
  line-height: 1.5;
  border-left: 2px solid var(--color-secondary);
  padding-left: 1rem;
}

.footer-links-column h4,
.footer-contact-column h4 {
  color: #ffffff;
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
}

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

.footer-links-column li {
  margin-bottom: 0.75rem;
}

.footer-links-column a {
  font-size: 0.9rem;
}

.footer-links-column a:hover {
  color: #ffffff;
}

.footer-contact-column p {
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
  color: #94a3b8;
}

.footer-contact-column a:hover {
  color: #ffffff;
}

.footer-bottom {
  border-top: 1px solid #1e293b;
  padding-top: 2rem;
  font-size: 0.85rem;
}

/* Cookie Banner UI */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: #0f172a;
  color: #ffffff;
  padding: 1.5rem 0;
  box-shadow: 0 -10px 30px rgba(0,0,0,0.15);
  z-index: 9999;
}

.cookie-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}

.cookie-content p {
  font-size: 0.9rem;
  color: #cbd5e1;
}

.cookie-actions {
  display: flex;
  gap: 1rem;
  flex-shrink: 0;
}

.btn-cookie {
  padding: 0.5rem 1.25rem;
  font-size: 0.85rem;
  font-weight: 600;
  border: none;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn-cookie-accept {
  background-color: var(--color-secondary);
  color: #ffffff;
}

.btn-cookie-decline {
  background-color: transparent;
  color: #94a3b8;
  border: 1px solid #475569;
}

/* Back To Top UI */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: var(--color-secondary);
  color: #ffffff;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  box-shadow: 0 4px 10px rgba(0,0,0,0.15);
  transition: var(--transition-smooth);
  z-index: 999;
}

.back-to-top.show {
  opacity: 1;
  pointer-events: auto;
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .hero-media {
    order: -1;
    max-width: 700px;
    margin: 0 auto;
  }
  .media-overlay-card {
    left: 20px;
    bottom: -20px;
  }
  .benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps-container {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .about-media {
    max-width: 700px;
    margin: 0 auto;
  }
  .contact-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }
  .nav-menu {
    position: absolute;
    top: 80px;
    left: -100%;
    width: 100%;
    background-color: #ffffff;
    border-bottom: 1px solid #e2e8f0;
    padding: 2rem;
    transition: var(--transition-smooth);
  }
  .nav-menu.active {
    left: 0;
  }
  .nav-menu ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }
  .btn-primary-nav {
    display: inline-flex;
    width: 100%;
  }
  .hero-content h1 {
    font-size: 2.25rem;
  }
  .benefits-grid {
    grid-template-columns: 1fr;
  }
  .steps-container {
    grid-template-columns: 1fr;
  }
  .service-item {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .service-item.reverse {
    direction: ltr;
  }
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  .footer-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .cookie-content {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }
}