@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Noto+Sans+KR:wght@300;400;500;700&display=swap');

@layer reset, base, layout, components, utilities;

@layer reset {
  *, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  html {
    scroll-behavior: smooth;
    color-scheme: dark;
    -webkit-text-size-adjust: 100%;
  }

  body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

  button, input, textarea, select {
    font: inherit;
    color: inherit;
    background: none;
    border: none;
    outline: none;
  }

  a {
    color: inherit;
    text-decoration: none;
  }
  
  img {
    max-width: 100%;
    height: auto;
    display: block;
    aspect-ratio: auto;
  }
}

@layer base {
  :root {
    /* Color Palette - Elegant Emerald & Slate */
    --bg-primary: hsl(222, 47%, 4%);
    --bg-secondary: hsl(222, 40%, 8%);
    --bg-card: rgba(15, 23, 42, 0.45);
    --bg-card-hover: rgba(16, 185, 129, 0.04);
    --border-color: rgba(255, 255, 255, 0.05);
    --border-color-hover: rgba(16, 185, 129, 0.25);
    
    --text-primary: hsl(210, 40%, 98%);
    --text-secondary: hsl(215, 20%, 75%);
    --text-muted: hsl(215, 15%, 55%);
    
    --accent: hsl(158, 82%, 45%);
    --accent-glow: rgba(16, 185, 129, 0.15);
    --accent-hover: hsl(158, 82%, 55%);
    --accent-rgb: 16, 185, 129;
    --accent-gradient: linear-gradient(135deg, hsl(158, 82%, 45%), hsl(162, 75%, 32%));
    
    --danger: hsl(0, 84%, 60%);
    --success: hsl(142, 72%, 29%);

    /* Typography */
    --font-sans: 'Outfit', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Layout */
    --container-max-width: 1280px;
    --header-height-large: 96px;
    --header-height-small: 72px;

    /* Transitions & Micro-interactions */
    --transition-smooth: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  }

  body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
  }

  h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
  }
  
  /* Focus States */
  :focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 4px;
  }
  
  /* Scrollbar Customization */
  scrollbar-color: var(--border-color-hover) var(--bg-primary);
  scrollbar-width: thin;

  /* Text Wrapping optimizations */
  h1, h2, h3 {
    text-wrap: balance;
  }
  
  p {
    text-wrap: pretty;
  }
}

@layer layout {
  .container {
    width: 100%;
    max-width: var(--container-max-width);
    margin-inline: auto;
    padding-inline: 24px;
  }

  .section-padding {
    padding-block: 120px;
  }

  @media (max-width: 768px) {
    .section-padding {
      padding-block: 80px;
    }
  }
  
  /* Grid layouts */
  .grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }

  .grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  
  @media (max-width: 1024px) {
    .grid-3 {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media (max-width: 768px) {
    .grid-2, .grid-3 {
      grid-template-columns: 1fr;
      gap: 24px;
    }
  }
}

@layer components {
  /* Buttons */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 32px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    min-block-size: 48px;
    min-inline-size: 120px;
  }

  .btn-primary {
    background: var(--accent-gradient);
    color: #ffffff;
    box-shadow: 0 4px 24px var(--accent-glow);
  }

  .btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(var(--accent-rgb), 0.35);
    background: var(--accent-hover);
  }

  .btn-secondary {
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.02);
    color: var(--text-primary);
    backdrop-filter: blur(12px);
  }

  .btn-secondary:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
  }
  
  /* Header Navigation */
  .header-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height-large);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    background-color: rgba(4, 6, 12, 0.5);
    backdrop-filter: blur(20px);
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
  }

  .header-nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
  }

  .logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .logo-accent {
    color: var(--accent);
    position: relative;
  }

  .logo-accent::after {
    content: '';
    position: absolute;
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    bottom: 4px;
    right: -10px;
  }

  .nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
  }

  .nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition-fast);
    padding: 8px 4px;
    position: relative;
  }

  .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: var(--transition-fast);
  }

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

  .nav-link:hover::after {
    width: 100%;
  }

  .nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
  }

  .btn-contact-header {
    font-size: 0.85rem;
    padding: 10px 20px;
    border-radius: 8px;
    border: 1px solid var(--accent);
    color: var(--accent);
    font-weight: 600;
    transition: var(--transition-fast);
  }

  .btn-contact-header:hover {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 4px 16px var(--accent-glow);
  }
  
  /* Mobile Menu Toggle */
  .mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    width: 24px;
    cursor: pointer;
    z-index: 1001;
    min-block-size: 24px;
  }

  .mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition-fast);
  }

  @media (max-width: 992px) {
    .mobile-menu-btn {
      display: flex;
    }

    .nav-menu {
      position: fixed;
      top: 0;
      right: -100%;
      width: 80%;
      max-width: 400px;
      height: 100vh;
      background: hsl(222, 40%, 6%);
      border-left: 1px solid var(--border-color);
      flex-direction: column;
      padding: 120px 40px 40px;
      gap: 30px;
      transition: var(--transition-smooth);
      z-index: 1000;
    }

    .nav-menu.active {
      right: 0;
    }
  }

  /* Scroll-driven Shrinking Header (Native Support) */
  @supports ((animation-timeline: scroll()) and (animation-range: 0% 100%)) {
    .header-nav {
      animation: shrink-header auto linear both;
      animation-timeline: scroll(block root);
      animation-range: 0px 100px;
    }
  }

  @keyframes shrink-header {
    to {
      height: var(--header-height-small);
      background-color: rgba(4, 6, 12, 0.95);
      border-color: rgba(255, 255, 255, 0.1);
    }
  }

  /* Fallback class applied via JavaScript */
  .header-nav.shrunk {
    height: var(--header-height-small);
    background-color: rgba(4, 6, 12, 0.95);
    border-color: rgba(255, 255, 255, 0.1);
  }

  /* Hero Section styling */
  .hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: calc(var(--header-height-large) + 40px);
    overflow: hidden;
    background: radial-gradient(circle at 80% 20%, rgba(16, 185, 129, 0.08) 0%, transparent 60%);
  }

  .hero-mesh {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.12) 0%, transparent 70%);
    top: -10%;
    right: -5%;
    z-index: 0;
    pointer-events: none;
    filter: blur(40px);
  }

  .hero-section .container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
  }

  .hero-content {
    max-width: 720px;
  }

  .badge {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    background: rgba(16, 185, 129, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.25);
    color: var(--accent);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: 0.05em;
  }

  .hero-title {
    font-size: clamp(2.4rem, 4.5vw, 3.8rem);
    line-height: 1.2;
    font-weight: 800;
    margin-bottom: 24px;
    background: linear-gradient(135deg, #ffffff 60%, hsl(215, 20%, 75%));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }

  .hero-desc {
    font-size: clamp(1.05rem, 1.8vw, 1.25rem);
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.6;
  }

  .hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
  }

  .hero-secondary-copy {
    font-size: 0.95rem;
    color: var(--text-muted);
    border-left: 2px solid var(--accent);
    padding-left: 16px;
    line-height: 1.5;
  }

  /* Decorative Abstract Shape */
  .hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .visual-card {
    position: relative;
    width: 100%;
    max-width: 440px;
    aspect-ratio: 1;
    background: radial-gradient(circle at 10% 10%, rgba(255, 255, 255, 0.03) 0%, transparent 80%), var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(16px);
    overflow: hidden;
  }

  .visual-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg, transparent 50%, var(--accent) 90%, transparent 100%);
    animation: rotate-border 12s linear infinite;
    z-index: -1;
    opacity: 0.15;
  }

  @keyframes rotate-border {
    to { transform: rotate(360deg); }
  }

  .visual-logo {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--text-primary);
  }

  .visual-content {
    margin-top: auto;
  }

  .visual-tag {
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 8px;
  }

  .visual-text {
    font-size: 1.4rem;
    font-weight: 700;
    line-height: 1.4;
  }

  @media (max-width: 992px) {
    .hero-section {
      padding-top: calc(var(--header-height-large) + 20px);
    }
    .hero-section .container {
      grid-template-columns: 1fr;
      text-align: center;
    }
    .hero-content {
      margin-inline: auto;
    }
    .hero-actions {
      justify-content: center;
      flex-wrap: wrap;
    }
    .hero-secondary-copy {
      text-align: left;
      max-width: 500px;
      margin-inline: auto;
    }
    .hero-visual {
      display: none;
    }
  }

  @media (max-width: 768px) {
    .hero-actions {
      flex-direction: column;
      gap: 12px;
      width: 100%;
      max-width: 320px;
      margin-inline: auto;
    }
    .hero-actions .btn {
      width: 100%;
    }
  }

  /* Section Header */
  .section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 64px;
  }

  .section-subtitle {
    color: var(--accent);
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 16px;
    display: block;
  }

  .section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 800;
    margin-bottom: 20px;
  }

  .section-desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.6;
  }

  /* Service Area Section */
  .services-section {
    background-color: var(--bg-secondary);
  }

  .service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
    overflow: hidden;
  }

  .service-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05) 0%, transparent 60%);
    opacity: 0;
    transition: var(--transition-smooth);
    pointer-events: none;
  }

  .service-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-color-hover);
    background: var(--bg-card-hover);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
  }

  .service-card:hover::after {
    opacity: 1;
  }

  .service-num {
    font-size: 2.5rem;
    font-weight: 800;
    color: rgba(16, 185, 129, 0.15);
    line-height: 1;
    margin-bottom: 20px;
    transition: var(--transition-smooth);
  }

  .service-card:hover .service-num {
    color: var(--accent);
    transform: scale(1.1) rotate(-5deg);
  }

  .service-card h3 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
  }

  .service-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 24px;
    flex-grow: 1;
  }

  .service-card-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent);
    transition: var(--transition-fast);
    margin-top: auto;
  }

  .service-card-link svg {
    transition: var(--transition-fast);
  }

  .service-card:hover .service-card-link svg {
    transform: translateX(4px);
  }

  /* Situations Section */
  .situations-section {
    background-color: var(--bg-primary);
  }

  .situation-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  @media (max-width: 768px) {
    .situation-grid {
      grid-template-columns: 1fr;
    }
  }

  .situation-card {
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    display: flex;
    gap: 20px;
    align-items: flex-start;
    transition: var(--transition-fast);
  }

  .situation-card:hover {
    border-color: rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.02);
  }

  .situation-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(16, 185, 129, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
  }

  .situation-content h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
  }

  .situation-content p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
  }

  /* Audit Standards Section */
  .standards-section {
    background-color: var(--bg-secondary);
  }

  .standards-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
  }

  @media (max-width: 1200px) {
    .standards-grid {
      grid-template-columns: repeat(3, 1fr);
    }
  }

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

  @media (max-width: 480px) {
    .standards-grid {
      grid-template-columns: 1fr;
    }
  }

  .standard-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    text-align: center;
    transition: var(--transition-fast);
  }

  .standard-card:hover {
    border-color: var(--border-color-hover);
    background: var(--bg-card-hover);
    transform: translateY(-4px);
  }

  .standard-num {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 8px;
    display: block;
  }

  .standard-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
  }

  /* Brand Distinction Section */
  .brands-dist-section {
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
  }

  .brands-dist-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }

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

  @media (max-width: 600px) {
    .brands-dist-grid {
      grid-template-columns: 1fr;
    }
  }

  .brand-dist-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
    overflow: hidden;
  }

  a.brand-dist-card {
    color: inherit;
    text-decoration: none;
    cursor: pointer;
  }

  .brand-dist-card.highlight {
    border-color: var(--border-color-hover);
    background: rgba(16, 185, 129, 0.02);
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.05);
  }

  .brand-dist-card:hover {
    transform: scale(1.02);
    border-color: rgba(255, 255, 255, 0.1);
  }

  .brand-dist-card.highlight:hover {
    border-color: var(--accent);
  }

  .brand-dist-name {
    font-size: 1.2rem;
    font-weight: 800;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .brand-card-overlay {
    position: absolute;
    inset: 0;
    background: rgba(4, 6, 12, 0.9);
    backdrop-filter: blur(8px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    opacity: 0;
    transition: var(--transition-smooth);
    z-index: 10;
  }

  .brand-dist-card.clickable-card:hover .brand-card-overlay {
    opacity: 1;
  }

  .overlay-text {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.05em;
  }

  .overlay-icon {
    font-size: 1.4rem;
    color: var(--accent);
    transition: var(--transition-smooth);
  }

  .brand-dist-card.clickable-card:hover .overlay-icon {
    transform: translate(2px, -2px);
  }

  .brand-dist-badge {
    font-size: 0.7rem;
    font-weight: 700;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-secondary);
    padding: 2px 8px;
    border-radius: 4px;
    text-transform: uppercase;
    transition: var(--transition-fast);
  }

  .brand-dist-card.highlight .brand-dist-badge {
    border-color: var(--accent);
    color: var(--accent);
  }

  .brand-dist-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
  }

  /* Contact Section */
  .contact-section {
    background-color: var(--bg-secondary);
    position: relative;
  }

  .contact-wrapper {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 60px;
  }

  @media (max-width: 992px) {
    .contact-wrapper {
      grid-template-columns: 1fr;
      gap: 40px;
    }
  }

  .contact-info {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }

  .contact-info-title {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 24px;
  }

  .contact-info-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 32px;
  }

  .contact-meta {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 40px;
  }

  .contact-meta-item {
    display: flex;
    gap: 16px;
    align-items: center;
  }

  .contact-meta-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(16, 185, 129, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
  }

  .contact-meta-text h4 {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
  }

  .contact-meta-text p {
    font-size: 0.95rem;
    color: var(--text-primary);
  }

  .contact-link {
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition-fast);
  }

  .contact-link:hover {
    color: var(--accent);
  }

  /* Compliance Warning Box */
  .compliance-box {
    background: rgba(239, 68, 68, 0.02);
    border: 1px dashed rgba(239, 68, 68, 0.15);
    border-radius: 12px;
    padding: 20px;
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.6;
  }

  .compliance-box p {
    position: relative;
    padding-left: 20px;
  }

  .compliance-box p::before {
    content: '⚠️';
    position: absolute;
    left: 0;
    top: 0;
  }

  /* Contact Form styling */
  .contact-form-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(12px);
  }

  @media (max-width: 576px) {
    .contact-form-card {
      padding: 24px;
    }
  }

  .form-group {
    margin-bottom: 24px;
  }

  .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  @media (max-width: 576px) {
    .form-row {
      grid-template-columns: 1fr;
      gap: 0;
    }
  }

  .form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
  }

  .form-input, .form-select, .form-textarea {
    width: 100%;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px 16px;
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: var(--transition-fast);
  }

  .form-input:focus, .form-select:focus, .form-textarea:focus {
    border-color: var(--accent);
    background: rgba(255, 255, 255, 0.04);
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.1);
  }

  .form-select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='rgba(255,255,255,0.5)' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 16px;
    padding-right: 40px;
  }

  .form-select option {
    background-color: hsl(222, 40%, 6%);
    color: var(--text-primary);
  }

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

  .checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 24px;
    cursor: pointer;
  }

  .checkbox-input {
    appearance: none;
    width: 18px;
    height: 18px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.02);
    cursor: pointer;
    position: relative;
    flex-shrink: 0;
    margin-top: 3px;
    transition: var(--transition-fast);
  }

  .checkbox-input:checked {
    background: var(--accent);
    border-color: var(--accent);
  }

  .checkbox-input:checked::before {
    content: '✓';
    position: absolute;
    color: #fff;
    font-size: 12px;
    font-weight: bold;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }

  .checkbox-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    user-select: none;
    line-height: 1.4;
  }

  .checkbox-label a {
    color: var(--accent);
    text-decoration: underline;
  }

  .form-notice {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 16px;
    text-align: center;
  }

  /* Footer styling */
  .footer {
    background-color: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding-block: 60px 40px;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
  }

  @media (max-width: 768px) {
    .footer-grid {
      grid-template-columns: 1fr;
    }
  }

  .footer-brand h3 {
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: 16px;
  }

  .footer-brand p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    max-width: 400px;
  }

  .footer-disclaimers {
    display: flex;
    flex-direction: column;
    gap: 16px;
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.5;
  }

  .footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 32px;
    border-top: 1px solid var(--border-color);
    font-size: 0.85rem;
    color: var(--text-muted);
  }

  @media (max-width: 600px) {
    .footer-bottom {
      flex-direction: column;
      gap: 16px;
      text-align: center;
    }
  }
}

@layer utilities {
  .text-gradient {
    background: linear-gradient(to right, #ffffff, hsl(215, 20%, 75%));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }

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

  .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
  }

  /* Hero responsive copy split */
  .mobile-copy {
    display: none !important;
  }

  @media (max-width: 768px) {
    .desktop-copy {
      display: none !important;
    }
    h1.mobile-copy {
      display: block !important;
    }
    p.mobile-copy {
      display: block !important;
    }
    a.mobile-copy {
      display: inline-flex !important;
    }
  }
}

/* Accessibility Support for Forced Colors Mode */
@media (forced-colors: active) {
  :root {
    --accent: Highlight;
  }
  .btn-primary, .badge, .btn-contact-header, .service-card, .standard-card, .contact-form-card {
    border: 1px solid CanvasText !important;
  }
  .checkbox-input:checked {
    background: Highlight !important;
  }
}

/* Service Detail Pages Layout & Components */
.detail-hero {
  padding-top: calc(var(--header-height-large) + 60px);
  padding-bottom: 80px;
  background: radial-gradient(circle at 50% 100%, rgba(16, 185, 129, 0.05) 0%, transparent 60%);
  text-align: center;
  position: relative;
}

.detail-hero .container {
  max-width: 800px;
  margin-inline: auto;
}

.detail-title {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 24px;
  background: linear-gradient(135deg, #ffffff 60%, hsl(215, 20%, 75%));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.detail-lead {
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  color: var(--text-secondary);
  line-height: 1.7;
}

.detail-section {
  padding-block: 80px;
}

.detail-section.alt {
  background-color: var(--bg-secondary);
}

.detail-section-header {
  margin-bottom: 48px;
}

.bullets-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 32px;
}

@media (max-width: 768px) {
  .bullets-list {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

.bullets-list li {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 20px 24px;
  font-size: 0.95rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 16px;
  transition: var(--transition-fast);
}

.bullets-list li:hover {
  border-color: var(--border-color-hover);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

.bullets-list li::before {
  content: '✓';
  color: var(--accent);
  font-weight: bold;
  font-size: 1.2rem;
  flex-shrink: 0;
}

/* Timeline/Steps for Detail Pages */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-top: 40px;
}

@media (max-width: 1024px) {
  .steps-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .steps-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 28px 20px;
  text-align: center;
  transition: var(--transition-smooth);
  height: 100%;
}

.step-card:hover {
  border-color: var(--border-color-hover);
  transform: translateY(-4px);
}

.step-num {
  width: 40px;
  height: 40px;
  background: var(--accent-gradient);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.95rem;
  margin: 0 auto 20px;
  box-shadow: 0 4px 12px var(--accent-glow);
}

.step-card h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.step-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Guarantee / Non-guarantee Warning Box */
.guarantee-box {
  background: rgba(239, 68, 68, 0.01);
  border: 1px dashed rgba(239, 68, 68, 0.2);
  border-radius: 20px;
  padding: 40px 32px;
  max-width: 800px;
  margin: 40px auto 0;
  text-align: center;
}

.guarantee-box h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: hsl(0, 84%, 65%);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.guarantee-box p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* FAQ Accordion Styling (using details/summary) */
.accordion {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 800px;
  margin: 40px auto 0;
}

.accordion-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
  transition: var(--transition-fast);
}

.accordion-item[open] {
  border-color: var(--border-color-hover);
  background: var(--bg-card-hover);
}

.accordion-trigger {
  padding: 24px 32px;
  font-weight: 600;
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
  list-style: none;
}

.accordion-trigger::-webkit-details-marker {
  display: none;
}

.accordion-trigger::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--accent);
  transition: var(--transition-fast);
  line-height: 1;
}

.accordion-item[open] .accordion-trigger::after {
  content: '−';
  transform: rotate(180deg);
}

.accordion-content {
  padding: 0 32px 24px;
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.6;
  border-top: 1px solid rgba(255, 255, 255, 0.02);
  padding-top: 16px;
}

@media (max-width: 576px) {
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    max-width: 320px;
    margin-inline: auto;
    gap: 12px;
  }
  .accordion-trigger {
    padding: 20px 24px;
    font-size: 1rem;
  }
  .accordion-content {
    padding: 0 24px 20px;
    padding-top: 12px;
  }
}

/* Page CTA Section styling */
.page-cta-section {
  background-color: var(--bg-primary);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-cta-section::before {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.04) 0%, transparent 70%);
  bottom: -200px;
  left: 50%;
  transform: translateX(-50%);
  pointer-events: none;
  z-index: 0;
}

.page-cta-card {
  max-width: 800px;
  margin-inline: auto;
  position: relative;
  z-index: 1;
}

.page-cta-card h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 16px;
}

.page-cta-card p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.6;
}

/* --- Phase 7 Property Submission Styling --- */

/* GNB Property Button */
.btn-property-header {
  font-size: 0.85rem;
  padding: 10px 20px;
  border-radius: 8px;
  background: var(--accent-gradient);
  color: #ffffff !important;
  font-weight: 600;
  transition: var(--transition-fast);
  box-shadow: 0 4px 16px var(--accent-glow);
  border: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-property-header:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(var(--accent-rgb), 0.35);
}

/* Mobile GNB Drawer Utilities */
.mobile-only {
  display: none !important;
}

@media (max-width: 992px) {
  .desktop-only {
    display: none !important;
  }
  .mobile-only {
    display: block !important;
    width: 100%;
  }
  .menu-cta-btn {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    padding: 14px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.95rem;
    text-align: center;
    box-sizing: border-box;
    margin-top: 12px;
  }
  .menu-cta-btn.btn-primary {
    background: var(--accent-gradient);
    color: #ffffff;
    box-shadow: 0 4px 16px var(--accent-glow);
    border: none;
  }
  .menu-cta-btn.btn-secondary {
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.02);
    color: var(--text-primary);
  }
  .nav-actions .btn-property-header,
  .nav-actions .btn-contact-header {
    display: none !important;
  }
}

/* Property Upload Dropzone */
.upload-dropzone {
  border: 2px dashed var(--border-color);
  background: rgba(255, 255, 255, 0.01);
  border-radius: 12px;
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition-fast);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-top: 8px;
}

.upload-dropzone:hover, .upload-dropzone.dragover {
  border-color: var(--accent);
  background: rgba(16, 185, 129, 0.02);
}

.upload-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.5rem;
  font-weight: bold;
}

.upload-text {
  font-size: 0.95rem;
  color: var(--text-primary);
  font-weight: 500;
}

.upload-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.preview-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.preview-item {
  position: relative;
  aspect-ratio: 1;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.preview-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.preview-remove {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  border: none;
  font-size: 12px;
  font-weight: bold;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.preview-remove:hover {
  background: var(--accent);
}

/* Character Counter */
.counter-container {
  display: flex;
  justify-content: space-between;
  margin-top: 6px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.counter-container.over-limit {
  color: #ef4444;
}

/* Notice Box */
.notice-box {
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 32px;
}

.notice-box p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

.notice-box p:not(:last-child) {
  margin-bottom: 12px;
}