/* CSS Variables */
    :root {
      --background: hsl(0, 0%, 100%);
      --foreground: hsl(220, 20%, 20%);
      --primary: hsl(225, 85%, 44%);
      --primary-foreground: hsl(0, 0%, 100%);
      --secondary: hsl(220, 14%, 96%);
      --secondary-foreground: hsl(220, 20%, 20%);
      --border: hsl(220, 13%, 91%);
      --grey-50: hsl(220, 20%, 98%);
      --grey-100: hsl(220, 14%, 96%);
      --grey-200: hsl(220, 13%, 91%);
      --grey-300: hsl(220, 11%, 85%);
      --grey-400: hsl(218, 11%, 65%);
      --grey-500: hsl(220, 9%, 46%);
      --grey-600: hsl(215, 14%, 34%);
      --grey-700: hsl(217, 19%, 27%);
      --violet-50: hsl(230, 100%, 97%);
      --violet-100: hsl(230, 100%, 95%);
      --mustard: hsl(43, 64%, 60%);
      --radius: 0.75rem;
      --muted-bg: hsl(214, 32%, 97%);
    --border-color: hsl(215, 28%, 87%);
    --text-muted: hsl(220, 9%, 46%);
    }

    /* Reset & Base */
    *, *::before, *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: 'Noto Sans KR', system-ui, sans-serif;
      background-color: var(--background);
      color: var(--foreground);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }

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

    img {
      max-width: 100%;
      height: auto;
    }

    /* Container */
    .container-custom {
      max-width: 80rem;
      margin-left: auto;
      margin-right: auto;
      padding-left: 1rem;
      padding-right: 1rem;
    }

    @media (min-width: 640px) {
      .container-custom {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
      }
    }

    @media (min-width: 1024px) {
      .container-custom {
        padding-left: 2rem;
        padding-right: 2rem;
      }
    }

    .section-padding {
      padding-top: 4rem;
      padding-bottom: 4rem;
    }

    @media (min-width: 768px) {
      .section-padding {
        padding-top: 5rem;
        padding-bottom: 5rem;
      }
    }

    /* Animations */
    @keyframes fade-up {
      from {
        opacity: 0;
        transform: translateY(20px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    @keyframes fade-in {
      from { opacity: 0; }
      to { opacity: 1; }
    }

    @keyframes scroll-left {
      0% { transform: translateX(0); }
      100% { transform: translateX(-50%); }
    }

    @keyframes scroll-right {
      0% { transform: translateX(-50%); }
      100% { transform: translateX(0); }
    }

    .animate-fade-up {
      animation: fade-up 0.6s ease-out forwards;
      opacity: 0;
    }

    .animate-fade-in {
      animation: fade-in 0.3s ease-out forwards;
    }

    .animate-scroll-left {
      animation: scroll-left 30s linear infinite;
    }

    .animate-scroll-right {
      animation: scroll-right 30s linear infinite;
    }

    .delay-100 { animation-delay: 100ms; }
    .delay-200 { animation-delay: 200ms; }
    .delay-300 { animation-delay: 300ms; }

    /* Navigation */
    .nav {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 50;
      height: 60px;
      background-color: var(--background);
      box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    }

    .nav-inner {
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding-left: 1rem;
      padding-right: 1rem;
    }

    @media (min-width: 768px) {
      .nav-inner {
        padding-left: 2rem;
        padding-right: 2rem;
      }
    }
    .nav-logo {
      display: flex;
    }
    .nav-logo img{
      height: 30px;
    }

    .nav-links {
      display: none;
      align-items: center;
      gap: 1.5rem;
    }

    @media (min-width: 1024px) {
      .nav-links {
        display: flex;
      }
    }

    .nav-link {
      font-size: 0.875rem;
      font-weight: 500;
      color: var(--foreground);
      transition: color 0.2s;
    }

    .nav-link:hover {
      color: var(--primary);
    }

    .nav-cta {
      display: none;
    }

    @media (min-width: 1024px) {
      .nav-cta {
        display: flex;
      }
    }

    .mobile-menu-btn {
      display: block;
      padding: 0.5rem;
      background: none;
      border: none;
      cursor: pointer;
    }

    @media (min-width: 1024px) {
      .mobile-menu-btn {
        display: none;
      }
    }

    .mobile-menu {
      display: none;
      position: absolute;
      top: 60px;
      left: 0;
      right: 0;
      background-color: var(--background);
      box-shadow: 0 4px 6px rgba(0,0,0,0.1);
      border-top: 1px solid var(--border);
      padding: 1rem;
    }

    .mobile-menu.active {
      display: block;
    }

    @media (min-width: 1024px) {
      .mobile-menu {
        display: none !important;
      }
    }

    .mobile-nav-link {
      display: block;
      font-size: 0.875rem;
      font-weight: 500;
      padding: 0.75rem 1rem;
      border-radius: 0.5rem;
      transition: background-color 0.2s;
    }

    .mobile-nav-link:hover {
      background-color: var(--secondary);
    }

    /* Buttons */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: var(--radius);
      font-weight: 600;
      transition: all 0.2s;
      cursor: pointer;
      border: none;
    }

    .btn-cta {
      background-color: var(--primary);
      color: var(--primary-foreground);
      padding: 0.75rem 1.5rem;
      font-size: 1rem;
    }

    .btn-cta:hover {
      opacity: 0.9;
    }

    .btn-nav-cta {
      background-color: var(--primary);
      color: var(--primary-foreground);
      padding: 0.5rem 1rem;
      font-size: 0.875rem;
    }

    .btn-nav-cta:hover {
      opacity: 0.9;
    }

    .btn-hero {
      background-color: white;
      color: var(--primary);
      padding: 1rem 2rem;
      font-size: 1.125rem;
    }

    .btn-hero:hover {
      opacity: 0.9;
    }

    .btn-lg {
      padding: 0.875rem 2rem;
      font-size: 1rem;
    }

    /* Hero Section */
    .hero {
      position: relative;
      height: 600px;
      width: 100%;
      display: flex;
      align-items: center;
      overflow: hidden;
      padding-top: 60px;
    }

    .hero-bg {
      position: absolute;
      inset: 0;
      background-size: cover;
      background-position: center;
      background-repeat: no-repeat;
    }

    .hero-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(to bottom, rgba(0,0,0,0.7), rgba(0,0,0,0.6), rgba(0,0,0,0.8));
    }

    .hero-content {
      position: relative;
      z-index: 10;
      max-width: 56rem;
      margin: 0 auto;
      text-align: center;
      padding: 8rem 1rem;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      background-color: rgba(255,255,255,0.1);
      backdrop-filter: blur(4px);
      border-radius: 9999px;
      padding: 0.5rem 1rem;
      margin-bottom: 2rem;
    }

    .hero-badge-icon {
      width: 1rem;
      height: 1rem;
      color: var(--mustard);
    }

    .hero-badge-text {
      color: rgba(255,255,255,0.9);
      font-size: 1rem;
    }

    .hero-title {
      font-size: 2.25rem;
      font-weight: 700;
      color: white;
      line-height: 1.2;
      margin-bottom: 1.5rem;
    }

    @media (min-width: 768px) {
      .hero-title {
        font-size: 3rem;
      }
    }

    @media (min-width: 1024px) {
      .hero-title {
        font-size: 3.75rem;
      }
    }

    .hero-subtitle {
      font-size: 1.125rem;
      color: rgba(255,255,255,0.8);
      line-height: 1.75;
      max-width: 48rem;
      margin: 0 auto 2.5rem;
    }

    @media (min-width: 768px) {
      .hero-subtitle {
        font-size: 1.25rem;
      }
    }

    /* Section Headers */
    .section-header {
      text-align: center;
      max-width: 48rem;
      margin: 0 auto 2.5rem;
    }

    .section-title {
      font-size: 1.875rem;
      font-weight: 700;
      color: var(--foreground);
      margin-bottom: 1rem;
    }

    @media (min-width: 768px) {
      .section-title {
        font-size: 2.25rem;
      }
    }

    .section-subtitle {
      font-size: 1.125rem;
      color: var(--grey-600);
    }

    /* Why Choose Section */
    .why-choose {
      background-color: var(--background);
    }

    .features-grid {
      display: grid;
      gap: 1.5rem;
    }

    @media (min-width: 768px) {
      .features-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 2rem;
      }
    }

    .feature-card {
      background-color: var(--background);
      border-radius: var(--radius);
      padding: 1.5rem;
      border: 1px solid var(--grey-300);
    }

    @media (min-width: 768px) {
      .feature-card {
        padding: 2rem;
      }
    }

    .feature-header {
      display: flex;
      align-items: center;
      gap: 1rem;
      margin-bottom: 1rem;
    }

    @media (min-width: 768px) {
      .feature-header {
        flex-direction: column;
        text-align: center;
        margin-bottom: 1.5rem;
      }
    }

    @media (min-width: 1024px) {
      .feature-header {
        flex-direction: row;
        text-align: left;
        margin-bottom: 1.5rem;
      }
    }

    .feature-icon {
      width: 2.5rem;
      height: 2.5rem;
      border-radius: var(--radius);
      background-color: rgba(17, 61, 205, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .feature-icon svg {
      width: 1.25rem;
      height: 1.25rem;
      color: var(--primary);
    }

    .feature-title {
      font-size: 1.125rem;
      font-weight: 700;
      color: var(--foreground);
    }

    @media (min-width: 768px) {
      .feature-title {
        font-size: 1.25rem;
      }
    }

    .feature-list {
      list-style: none;
    }

    @media (min-width: 768px) {
      .feature-list {
        text-align: center;
      }
    }

    @media (min-width: 1024px) {
      .feature-list {
        text-align: left;
      }
    }

    .feature-list li {
      display: flex;
      align-items: flex-start;
      gap: 0.5rem;
      color: var(--grey-600);
      margin-bottom: 0.75rem;
    }

    @media (min-width: 768px) {
      .feature-list li {
        justify-content: center;
      }
    }

    @media (min-width: 1024px) {
      .feature-list li {
        justify-content: flex-start;
      }
    }

    .feature-dot {
      width: 0.375rem;
      height: 0.375rem;
      border-radius: 50%;
      background-color: var(--primary);
      margin-top: 0.5rem;
      flex-shrink: 0;
    }

    /* Testimonials Carousel */
    .testimonials-container {
      position: relative;
      overflow: hidden;
      /* width: 100vw; */
      margin-left: calc(-50vw + 50%);
      margin-bottom: 1rem;
    }

    .testimonials-row {
      display: flex;
    }

    .testimonial-card {
      flex-shrink: 0;
      width: 350px;
      margin: 0 0.75rem;
    }

    @media (min-width: 768px) {
      .testimonial-card {
        width: 400px;
      }
    }

    .testimonial-inner {
      border-radius: var(--radius);
      padding: 1.5rem;
      height: 6rem;
      display: flex;
      align-items: center;
      border: 1px solid var(--grey-300);
      background-color: var(--violet-50);
    }

    .testimonial-text {
      color: var(--foreground);
      line-height: 1.625;
      font-size: 1rem;
    }

    /* Document Types Section */
    .documents-section {
      background-color: var(--violet-100);
    }

    .document-pills {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 0.75rem;
      margin-bottom: 2.5rem;
    }

    @media (min-width: 768px) {
      .document-pills {
        gap: 1rem;
      }
    }

    .document-pill {
      background-color: var(--background);
      border-radius: 9999px;
      padding: 0.5rem 1rem;
      display: flex;
      align-items: center;
      gap: 0.5rem;
      border: 1px solid var(--grey-300);
    }

    @media (min-width: 768px) {
      .document-pill {
        padding: 0.75rem 1.5rem;
        gap: 0.75rem;
      }
    }

    .document-pill-icon {
      width: 1.75rem;
      height: 1.75rem;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      background-color: var(--violet-50);
    }

    @media (min-width: 768px) {
      .document-pill-icon {
        width: 2.5rem;
        height: 2.5rem;
      }
    }

    .document-pill-icon svg {
      width: 1rem;
      height: 1rem;
      color: var(--primary);
    }

    @media (min-width: 768px) {
      .document-pill-icon svg {
        width: 1.25rem;
        height: 1.25rem;
      }
    }

    .document-pill-text {
      font-weight: 500;
      color: var(--foreground);
      font-size: 0.875rem;
    }

    @media (min-width: 768px) {
      .document-pill-text {
        font-size: 1rem;
      }
    }

    /* Process Section */
    .process-section {
      background-color: var(--grey-50);
    }

    .process-desktop {
      display: none;
      position: relative;
    }

    @media (min-width: 1024px) {
      .process-desktop {
        display: grid;
        grid-template-columns: repeat(5, 1fr);
        gap: 1.5rem;
      }
    }

    .process-line {
      display: none;
    }

    @media (min-width: 1024px) {
      .process-line {
        display: block;
        position: absolute;
        top: 3rem;
        left: 10%;
        right: 10%;
        height: 2px;
        background-color: var(--border);
      }
    }

    .process-step {
      position: relative;
      background-color: var(--background);
      border-radius: var(--radius);
      padding: 1.5rem;
      border: 1px solid var(--grey-300);
      text-align: center;
      height: 100%;
      display: flex;
      flex-direction: column;
      align-items: center;
    }

    .process-number {
      width: 4rem;
      height: 4rem;
      border-radius: 50%;
      background-color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 1rem;
    }

    .process-number span {
      font-size: 1.5rem;
      font-weight: 700;
      color: var(--primary-foreground);
    }

    .process-title {
      font-weight: 700;
      color: var(--foreground);
      margin-bottom: 0.5rem;
    }

    .process-desc {
      font-size: 0.875rem;
      color: var(--grey-600);
    }

    .process-mobile {
      display: flex;
      flex-direction: column;
      gap: 0.75rem;
    }

    @media (min-width: 1024px) {
      .process-mobile {
        display: none;
      }
    }

    .process-mobile-step {
      background-color: var(--background);
      border-radius: var(--radius);
      padding: 1rem;
      border: 1px solid var(--grey-300);
      display: flex;
      align-items: center;
      gap: 1rem;
    }

    .process-mobile-number {
      width: 3rem;
      height: 3rem;
      border-radius: 50%;
      background-color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .process-mobile-number span {
      font-size: 1.125rem;
      font-weight: 700;
      color: var(--primary-foreground);
    }

    .process-mobile-title {
      font-weight: 700;
      color: var(--foreground);
      font-size: 0.875rem;
    }

    .process-mobile-desc {
      font-size: 0.75rem;
      color: var(--grey-600);
      margin-top: 0.25rem;
    }

    /* Samples Section */
    .samples-section {
      background-color: var(--background);
    }

    .logo-carousel {
      position: relative;
      overflow: hidden;
      /* width: 100vw; */
      margin-left: calc(-50vw + 50%);
      margin-bottom: 2.5rem;
    }

    .logo-carousel-inner {
      display: flex;
      align-items: center;
    }

    .logo-item {
      flex-shrink: 0;
      margin: 0 2rem;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .logo-item-inner {
      height: 60px;
      padding: 0.5rem 1rem;
      background-color: white;
      border-radius: 0.5rem;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .logo-item img {
      height: 2.5rem;
      width: auto;
      object-fit: contain;
    }

    .samples-grid {
      display: grid;
      gap: 1.5rem;
      margin-bottom: 2.5rem;
    }

    @media (min-width: 768px) {
      .samples-grid {
        grid-template-columns: repeat(3, 1fr);
      }
    }

    .sample-card {
      padding: 1.5rem;
      border: 1px solid var(--grey-300);
      border-radius: var(--radius);
      background-color: var(--violet-50);
    }

    .sample-logo {
      height: 3rem;
      margin-bottom: 1.5rem;
      display: flex;
      align-items: center;
    }

    .sample-logo img {
      height: 100%;
      width: auto;
      object-fit: contain;
    }

    .sample-title {
      font-weight: 700;
      color: var(--foreground);
      line-height: 1.4;
    }

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

    .samples-cta p {
      font-size: 1.125rem;
      color: var(--grey-600);
      margin-bottom: 1.5rem;
    }

    /* Trust Section */
    .trust-section {
      background-color: var(--grey-50);
    }

    .trust-grid {
      display: grid;
      gap: 1.5rem;
    }

    @media (min-width: 768px) {
      .trust-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    .trust-card {
      background-color: var(--background);
      border-radius: var(--radius);
      padding: 2rem;
      border: 1px solid var(--grey-300);
      display: flex;
      gap: 1.5rem;
    }

    .trust-icon {
      width: 3.5rem;
      height: 3.5rem;
      border-radius: var(--radius);
      background-color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .trust-icon svg {
      width: 1.75rem;
      height: 1.75rem;
      color: var(--primary-foreground);
    }

    .trust-title {
      font-weight: 700;
      color: var(--foreground);
      margin-bottom: 0.5rem;
    }

    .trust-desc {
      font-size: 0.875rem;
      line-height: 1.625;
      color: var(--grey-600);
    }

    /* Inquiry Form Section */
    .inquiry-section {
      background-color: var(--background);
    }

    .inquiry-title {
      font-size: 1.875rem;
      font-weight: 700;
      color: var(--foreground);
      margin-bottom: 2.5rem;
      line-height: 40px;
    }

    @media (min-width: 768px) {
      .inquiry-title {
        font-size: 2.25rem;
      }
    }

    .inquiry-grid {
      display: grid;
      gap: 3rem;
    }

    @media (min-width: 1024px) {
      .inquiry-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    .inquiry-info > p {
      color: var(--grey-600);
      margin-bottom: 2rem;
    }

    .contact-items {
      display: flex;
      flex-direction: column;
      gap: 1.5rem;
    }

    .contact-item {
      display: flex;
      align-items: center;
      gap: 1rem;
    }

    .contact-icon {
      width: 2.5rem;
      height: 2.5rem;
      border-radius: 0.5rem;
      background-color: rgba(17, 61, 205, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .contact-icon svg {
      width: 1.25rem;
      height: 1.25rem;
      color: var(--primary);
    }

    .contact-label {
      font-size: 0.875rem;
      color: var(--grey-500);
    }

    .contact-value {
      font-weight: 600;
      color: var(--foreground);
    }

    .inquiry-form {
      display: flex;
      flex-direction: column;
      gap: 1rem;
    }

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

    .form-group label {
      display: block;
      font-size: 0.875rem;
      font-weight: 500;
      color: var(--foreground);
      margin-bottom: 0.5rem;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
      width: 100%;
      padding: 0.75rem 1rem;
      border-radius: 0.5rem;
      border: 1px solid var(--grey-300);
      background-color: var(--background);
      font-family: inherit;
      font-size: 1rem;
      color: var(--foreground);
      outline: none;
      transition: border-color 0.2s, box-shadow 0.2s;
    }

    .form-group input:focus,
    .form-group select:focus,
    .form-group textarea:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 2px rgba(17, 61, 205, 0.2);
    }

    .form-group textarea {
      resize: none;
    }

    .btn-full {
      width: 100%;
    }

/* Footer */
footer {
    background: var(--muted-bg);
}

.footer-top {
    border-bottom: 1px solid var(--border-color);
    padding: 2rem 1rem;
}

.footer-top .container-custom {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

@media (min-width: 768px) {
    .footer-top .container-custom {
        flex-direction: row;
        justify-content: space-between;
    }
}

.footer-top h3 {
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.footer-top p {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.footer-contact {
    text-align: left;
}

@media (min-width: 768px) {
    .footer-contact {
        text-align: right;
    }
}

.footer-bottom {
    background: #2C3E50;
    padding: 1.5rem 1rem;
}

.footer-bottom .container-custom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

@media (min-width: 768px) {
    .footer-bottom .container-custom {
        flex-direction: row;
        justify-content: space-between;
    }
}

.footer-logo-section {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.footer-logo-section img {
    height: 32px;
}

.footer-logo-section p {
    font-size: 0.875rem;
    color: white;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    font-size: 0.875rem;
    color: white;
    text-decoration: none;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: #d1d5db;
}
    /* Text center utility */
    .text-center {
      text-align: center;
    }

    /* SVG Icons inline */
    .icon {
      display: inline-block;
      vertical-align: middle;
    }