/* 
   CLEAN FORME - Premium Minimalism Design System
*/

:root {
    /* Brand Colors (Light Theme Base) */
    --color-bg-base: #F7FAFC;          /* 라이트 그레이 기본 배경 */
    --color-bg-surface: #FFFFFF;       /* 화이트 섹션 배경 */
    --color-bg-helper: #EEF7F8;        /* 보조 배경 */
    --color-text-main: #111827;        /* 텍스트 기본 */
    --color-text-muted: #4B5563;       /* 본문 텍스트 */
    --color-accent: #00CFE8;           /* 포인트 컬러 (시안) */
    --color-accent-dark: #0891A3;      /* 포인트 진한색 */
    --color-border: #DDE7EA;           /* 라인 컬러 */
    --color-cta-text: #062025;         /* CTA 텍스트 */
    
    /* Typography */
    --font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-weight-light: 300;
    --font-weight-bold: 800;
    
    /* Spacing & Layout */
    --spacing-section: 100px;
    --padding-side: 5%;
    
    /* Marquee Slider Size Variables */
    --marquee-item-width: 320px;
    --marquee-gap: 20px;
}

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

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

/* =========================================
   Typography & List Resets
   ========================================= */
ul {
    list-style: none;
}

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

/* =========================================
   Header (Minimalist & Transparent)
   ========================================= */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 32px var(--padding-side);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(to bottom, rgba(17,17,17,0.9), rgba(17,17,17,0));
    z-index: 100;
    pointer-events: none; /* Let clicks pass through if no interactive elements */
}

.logo {
    font-size: 24px;
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.15em;
    color: var(--color-text-main);
    pointer-events: auto;
}

/* =========================================
   Hero Section (Full Screen Wide Block)
   ========================================= */
.hero {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    padding: 0 var(--padding-side);
    overflow: hidden;
}

/* SEO optimized background image tag */
.hero-bg-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

/* Canvas overlay for interactive effect */
#clean-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none; /* Let clicks pass through */
}

/* Dark overlay for text readability */
.hero::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(90deg, rgba(17,17,17,0.9) 0%, rgba(17,17,17,0.4) 100%);
    z-index: 1;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-content h1 {
    font-size: clamp(3rem, 6vw, 5.5rem);
    font-weight: var(--font-weight-bold);
    line-height: 1.15;
    margin-bottom: 2.5rem;
    word-break: keep-all;
    letter-spacing: -0.02em;
}

/* Accent highlight for headings (Optional dynamic styling logic) */
.hero-content h1::after {
    content: '.';
    color: var(--color-accent);
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    font-weight: var(--font-weight-regular);
    color: var(--color-text-muted);
    margin-bottom: 2.5rem;
    line-height: 1.6;
    word-break: keep-all;
}

.hero-features li {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    font-weight: var(--font-weight-light);
    color: var(--color-text-muted);
    margin-bottom: 1.2rem;
    display: flex;
    align-items: center;
}

/* Bullet points using electric cyan */
.hero-features li::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    background-color: var(--color-accent);
    border-radius: 50%;
    margin-right: 16px;
    box-shadow: 0 0 10px rgba(0, 229, 255, 0.5);
}

/* =========================================
   Services Section (12 Dynamic Blocks)
   ========================================= */
.services {
    display: flex;
    flex-direction: column;
    padding-bottom: 120px; /* Space for footer CTA */
}

/* Each service takes up almost full viewport height, creating strong impact */
.service-block {
    position: relative;
    width: 100%;
    height: 85vh;
    min-height: 500px;
    display: flex;
    align-items: center;
    padding: 0 var(--padding-side);
    overflow: hidden;
}

.service-bg {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-size: cover;
    background-position: center;
    background-attachment: fixed; /* Parallax Effect */
    transition: transform 10s ease; /* Slow zoom effect on hover for later */
}

.service-block::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(90deg, rgba(17,17,17,0.85) 0%, rgba(17,17,17,0.2) 100%);
    z-index: 1;
}

.service-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
}

.service-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: var(--font-weight-bold);
    margin-bottom: 2rem;
    line-height: 1.2;
    word-break: keep-all;
    letter-spacing: -0.02em;
}

.service-details li {
    font-size: clamp(1rem, 1.8vw, 1.2rem);
    font-weight: var(--font-weight-light);
    color: var(--color-text-muted);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
}

.service-group-desc {
    font-size: clamp(1rem, 1.5vw, 1.2rem);
    color: var(--color-text-muted);
    margin-bottom: 2rem;
    line-height: 1.5;
    word-break: keep-all;
}

.service-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 15px;
    margin-top: 2rem;
}

.s-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 8px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.s-card:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-accent);
}

.s-card h3 {
    color: var(--color-text-main);
    font-size: 1.3rem;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.s-card h3::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    background-color: var(--color-accent);
    border-radius: 50%;
    margin-right: 10px;
}

.s-card p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
    word-break: keep-all;
}

.service-details li::before {
    content: '';
    display: inline-block;
    width: 2px;
    height: 1.2em;
    background-color: var(--color-accent);
    margin-right: 16px;
    margin-top: 4px;
}

/* =========================================
   Footer / Sticky CTA (Mobile & PC)
   ========================================= */
/* =========================================
   New Info-style Scrolling Footer
   ========================================= */
.footer {
    background-color: #0c0c0e;
    color: var(--color-text-main);
    padding: 60px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 2fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h3 {
    color: var(--color-accent);
    font-size: 1.1rem;
    margin-top: 0;
    margin-bottom: 20px;
    font-weight: 700;
}

.footer-col p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--color-text-muted);
    margin: 8px 0;
}

.footer-brand h2 {
    color: var(--color-accent);
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 1.5rem;
    font-weight: 800;
}

.footer-brand p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

.footer-links-col a {
    display: block;
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    margin-bottom: 10px;
    transition: color 0.2s ease;
}

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

/* 관련 청소 서비스 칩 형태 */
.footer-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}

.footer-chip {
    display: inline-block;
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    font-size: 0.85rem !important;
    color: var(--color-text-muted) !important;
    text-decoration: none;
    transition: all 0.2s ease;
    margin-bottom: 0 !important;
}

.footer-chip:hover {
    background: rgba(0, 229, 255, 0.1);
    color: var(--color-accent) !important;
    border-color: var(--color-accent);
}

.footer-chip.view-all-link {
    background: rgba(0, 229, 255, 0.05);
    color: var(--color-accent) !important;
    border-color: rgba(0, 229, 255, 0.2);
    font-weight: bold;
}

.footer-chip.view-all-link:hover {
    background: rgba(0, 229, 255, 0.15);
    border-color: var(--color-accent);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.footer-bottom-links a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    margin-right: 20px;
    transition: color 0.2s ease;
}

.footer-bottom-links a:hover {
    color: var(--color-text-main);
}

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

.cta-call {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--color-bg-surface);
    border: 1px solid rgba(0, 229, 255, 0.3);
    padding: 20px 40px;
    border-radius: 100px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.cta-call:hover {
    border-color: var(--color-accent);
    box-shadow: 0 0 30px rgba(0, 229, 255, 0.15);
    transform: translateY(-2px);
}

.cta-info {
    display: flex;
    flex-direction: column;
}

.cta-label {
    font-size: 0.85rem;
    color: var(--color-accent);
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.1em;
    margin-bottom: 4px;
}

.cta-text {
    font-size: 1.2rem;
    font-weight: var(--font-weight-light);
}

.cta-number {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-accent);
    letter-spacing: 0.05em;
}

/* =========================================
   High Conversion & SEO Advanced Sections
   ========================================= */
.section-padding {
    padding: 100px var(--padding-side);
    background-color: var(--color-bg-base);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: var(--font-weight-bold);
    margin-bottom: 3rem;
    color: var(--color-text-main);
}

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

/* 1. Pain Point Cards */
.pain-point-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.pain-card {
    background-color: var(--color-bg-surface);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.05);
    text-align: center;
    transition: transform 0.3s ease;
}

.pain-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 229, 255, 0.3);
}

.pain-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.pain-card h3 {
    font-size: 1.4rem;
    color: var(--color-accent);
    margin-bottom: 1rem;
    font-weight: var(--font-weight-bold);
}

.pain-card p {
    color: var(--color-text-muted);
    font-weight: var(--font-weight-light);
}

/* 2. Process Section */
.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.process-card {
    background: linear-gradient(135deg, var(--color-bg-surface), rgba(0,229,255,0.05));
    padding: 30px;
    border-radius: 12px;
    border-left: 4px solid var(--color-accent);
}

.step-num {
    font-size: 0.9rem;
    color: var(--color-accent);
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

.step-desc {
    font-size: 1.15rem;
    font-weight: var(--font-weight-light);
}

/* 3. Mid CTA */
.mid-cta {
    background: linear-gradient(90deg, #001a1c 0%, var(--color-bg-surface) 100%);
    border-top: 1px solid rgba(0,229,255,0.2);
    border-bottom: 1px solid rgba(0,229,255,0.2);
    display: flex;
    justify-content: center;
}

.mid-cta-inner {
    max-width: 900px;
    text-align: center;
}

#mid-cta-text {
    font-size: clamp(1.2rem, 3vw, 1.6rem);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-main);
    margin-bottom: 2rem;
    line-height: 1.5;
}

.mid-cta-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-mid-cta {
    display: inline-block;
    background-color: var(--color-accent);
    color: var(--color-bg-base);
    font-size: 1.2rem;
    font-weight: var(--font-weight-bold);
    padding: 18px 40px;
    border-radius: 100px;
    transition: all 0.3s ease;
}

.btn-mid-cta:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(0,229,255,0.4);
}

/* 4. FAQ Accordion */
.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
}

.faq-accordion details {
    background-color: var(--color-bg-surface);
    margin-bottom: 1rem;
    border-radius: 8px;
    overflow: hidden;
}

.faq-accordion summary {
    padding: 24px;
    font-size: 1.2rem;
    font-weight: var(--font-weight-bold);
    cursor: pointer;
    list-style: none; /* Hide default arrow */
    position: relative;
    padding-right: 50px;
}

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

.faq-accordion summary::after {
    content: '+';
    position: absolute;
    right: 24px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-accent);
    font-size: 1.5rem;
}

.faq-accordion details[open] summary::after {
    content: '-';
}

.faq-answer {
    padding: 0 24px 24px 24px;
    color: var(--color-text-muted);
    font-weight: var(--font-weight-light);
    line-height: 1.6;
}

/* SEO Safe Hiding Class */
.mo-only-purser {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    border: 0;
}

/* =========================================
   Responsive Design (Mobile / Tablet <= 1024px)
   ========================================= */
@media (max-width: 1024px) {
    :root {
        --padding-side: 20px;
    }
    
    .mo-only-purser {
        position: static;
        width: auto;
        height: auto;
        margin: 0;
        overflow: visible;
        clip: auto;
    }
    
    .pc-only {
        display: none;
    }

    .hero {
        background-attachment: scroll; /* Disable parallax on mobile for performance */
    }
    
    .hero::after, .service-block::after {
        background: linear-gradient(0deg, rgba(17,17,17,0.95) 0%, rgba(17,17,17,0.4) 100%);
    }
    
    /* Services (Single Column Timeline Layout) */
    .services {
        padding-bottom: 0;
    }
    
    .service-block {
        height: auto;
        min-height: 50vh;
        padding: 50px var(--padding-side);
        background-attachment: scroll; /* 빠른 스크롤을 위한 패럴랙스 해제 */
    }
    
    .service-bg {
        background-attachment: scroll;
    }
    
    .service-title {
        font-size: clamp(2rem, 8vw, 2.8rem); /* 모바일에서 더 시원한 타이포그래피 */
        margin-bottom: 1.5rem;
    }
    
    .service-details li {
        font-size: 1.15rem;
        font-weight: var(--font-weight-bold); /* 스크롤 시 한눈에 읽히도록 볼드 처리 */
        margin-bottom: 1.2rem;
    }

    /* Info-style Scrolling Footer on Mobile */
    .footer {
        padding: 40px 0;
        background-color: #0c0c0e;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .footer-bottom-links {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
    }

    .footer-bottom-links a {
        margin-right: 0;
    }
}

/* =========================================
   New SEO & Conversion Section Styles
   ========================================= */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--padding-side);
    width: 100%;
}

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

/* 2. Need Situation Section */
.need-situation-section {
    background-color: var(--color-bg-surface);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.need-situation-content p {
    max-width: 850px;
    margin: 0 auto;
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--color-text-muted);
}

/* 4. Work Scope Section */
.work-scope-section {
    background-color: var(--color-bg-base);
}

/* Responsive Helpers */
@media (min-width: 769px) {
    .desktop-only {
        display: block !important;
    }
    .mobile-only {
        display: none !important;
    }
}
@media (max-width: 768px) {
    .desktop-only {
        display: none !important;
    }
    .mobile-only {
        display: block !important;
    }
}

/* PC Venn Diagram styling */
.venn-diagram-container {
    max-width: 700px;
    margin: 40px auto 0 auto;
    position: relative;
    padding-bottom: 20px;
}
.venn-diagram {
    position: relative;
    width: 540px;
    height: 480px;
    margin: 0 auto;
}
.venn-circle {
    position: absolute;
    width: 280px;
    height: 280px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
}
/* 3개 원 배치 (시안 포인트 컬러 계열의 세련된 투명 조합) */
.venn-circle.circle-1 {
    left: 20px;
    top: 20px;
    background-color: rgba(238, 247, 248, 0.85); /* var(--color-bg-helper) 기반 반투명 */
    border: 2px solid rgba(0, 207, 232, 0.3);
}
.venn-circle.circle-2 {
    right: 20px;
    top: 20px;
    background-color: rgba(238, 247, 248, 0.85);
    border: 2px solid rgba(8, 145, 163, 0.3);
}
.venn-circle.circle-3 {
    left: 50%;
    bottom: 20px;
    transform: translateX(-50%);
    background-color: rgba(255, 255, 255, 0.9);
    border: 2px solid rgba(0, 207, 232, 0.2);
}

.venn-circle:hover {
    transform: scale(1.05);
    z-index: 3;
    box-shadow: 0 12px 30px rgba(0, 207, 232, 0.1);
}
.venn-circle.circle-3:hover {
    transform: translateX(-50%) scale(1.05);
}

.circle-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 30px;
}
.circle-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-accent-dark);
    margin-bottom: 10px;
}
.circle-desc {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    font-weight: 500;
    line-height: 1.5;
}

/* Central Intersection */
.venn-intersection {
    position: absolute;
    left: 50%;
    top: 44%; /* 기하학적 중심점 */
    transform: translate(-50%, -50%);
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: var(--color-accent);
    border: 4px solid var(--color-bg-surface);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 25px rgba(0, 207, 232, 0.25);
    z-index: 5;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.venn-intersection:hover {
    transform: translate(-50%, -50%) scale(1.1);
    box-shadow: 0 15px 35px rgba(0, 207, 232, 0.4);
}
.intersection-content {
    text-align: center;
}
.intersection-title {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--color-cta-text);
    line-height: 1.35;
}
.venn-footnote {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    margin-top: 35px;
    font-weight: 500;
}

/* Mobile Steps styling */
.mobile-steps-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 24px;
}
.mobile-step-card {
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 18px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all 0.3s ease;
}
.mobile-step-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.03);
}
.step-badge {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--color-bg-helper);
    color: var(--color-accent-dark);
    font-weight: 700;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.step-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.step-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-text-main);
}
.step-desc {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.4;
}

/* 결과 카드 */
.mobile-step-card.result-card {
    background: linear-gradient(135deg, var(--color-bg-helper) 0%, rgba(0, 207, 232, 0.08) 100%);
    border: 1px solid rgba(0, 207, 232, 0.3);
}
.mobile-step-card.result-card .step-badge.star {
    background-color: var(--color-accent);
    color: var(--color-cta-text);
}
.mobile-step-card.result-card .step-title {
    color: var(--color-accent-dark);
    font-size: 1rem;
}
.mobile-step-card.result-card .step-desc {
    color: var(--color-text-main);
    font-weight: 500;
}

/* 5. Possible Works Section & Infinite Marquee Slider */
.possible-works-section {
    background-color: var(--color-bg-surface);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    overflow: hidden; /* Marquee 영역 가리기용 */
}
.possible-works-section .section-subtitle {
    color: var(--color-text-muted);
    margin-top: -15px;
    margin-bottom: 30px;
    font-size: 1.05rem;
}
.works-text-list {
    text-align: center;
    font-size: 1.15rem;
    color: var(--color-text-muted);
    line-height: 2;
    max-width: 900px;
    margin: 0 auto 40px auto;
    word-break: keep-all;
}
.works-text-list span {
    display: inline-block;
    padding: 0 4px;
    transition: color 0.2s ease;
}
.highlight-task {
    color: var(--color-accent) !important;
    font-weight: bold;
    text-shadow: 0 0 10px rgba(0, 207, 232, 0.2);
}

/* Infinite Marquee Slider Container */
.marquee-slider-container {
    overflow: hidden;
    width: 100%;
    position: relative;
    padding: 10px 0;
}
.marquee-track {
    display: flex;
    /* (320px + 20px gap) * 24개 = 8160px */
    width: 8160px;
    animation: marquee-infinite 48s linear infinite;
}
.marquee-item {
    flex-shrink: 0;
    width: 320px;
    margin-right: 20px;
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}
.marquee-item img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    display: block;
    border-radius: 11px;
    transition: transform 0.5s ease;
}
.marquee-item:hover img {
    transform: scale(1.05);
}
.marquee-label {
    position: absolute;
    bottom: 12px;
    left: 12px;
    background: rgba(12, 12, 14, 0.75);
    backdrop-filter: blur(4px);
    color: #ffffff;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 700;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Keyframes for CSS Marquee */
@keyframes marquee-infinite {
    0% {
        transform: translateX(0);
    }
    100% {
        /* 첫 번째 12개 세트의 너비인 (320px + 20px) * 12 = 4080px 만큼 좌측 이동 */
        transform: translateX(-4080px);
    }
}

/* Hover Pause (PC Only) */
@media (hover: hover) and (pointer: fine) {
    .marquee-slider-container:hover .marquee-track {
        animation-play-state: paused;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    .marquee-track {
        animation: none !important;
        overflow-x: auto;
        width: auto !important;
    }
}

/* 7. Related Links Section */
.related-links-section {
    background-color: var(--color-bg-base);
}
.related-links-container {
    max-width: 900px;
    margin: 0 auto;
}
.links-group h3 {
    font-size: 1.2rem;
    color: #fff;
    margin-bottom: 15px;
    border-left: 3px solid var(--color-accent);
    padding-left: 10px;
}
.links-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.links-grid a {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    font-size: 0.9rem;
    color: var(--color-text-muted);
    transition: all 0.2s ease;
}
.links-grid a:hover {
    background: rgba(0, 229, 255, 0.1);
    color: var(--color-accent);
    border-color: var(--color-accent);
}

/* 8. Final CTA Section */
.final-cta-section {
    background-color: var(--color-bg-surface);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}
.cta-card {
    max-width: 850px;
    margin: 0 auto;
    padding: 50px 30px;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(0, 229, 255, 0.2);
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}
.cta-card h2 {
    color: var(--color-accent);
    font-size: 2rem;
    margin-top: 0;
    margin-bottom: 20px;
}
.cta-notice {
    margin: 25px 0;
    padding: 18px;
    background: rgba(0, 229, 255, 0.05);
    border-left: 4px solid var(--color-accent);
    border-radius: 4px;
    font-size: 1rem;
    color: var(--color-text-main);
    line-height: 1.6;
}
.cta-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-top: 30px;
}
.btn-cta {
    padding: 15px 30px;
    font-weight: bold;
    border-radius: 6px;
    font-size: 1.05rem;
    transition: all 0.2s ease;
    cursor: pointer;
    text-align: center;
    flex: 1 1 200px;
    max-width: 250px;
}
.btn-cta.phone-link {
    background: var(--color-accent);
    color: #111;
    border: 1px solid var(--color-accent);
}
.btn-cta.phone-link:hover {
    background: #00b8cc;
    border-color: #00b8cc;
    transform: translateY(-2px);
}
.btn-cta.sms-link {
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.15);
}
.btn-cta.sms-link:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}
.btn-cta.sms-photo-link {
    background: rgba(0, 229, 255, 0.08);
    color: var(--color-accent);
    border: 1px solid var(--color-accent);
}
.btn-cta.sms-photo-link:hover {
    background: rgba(0, 229, 255, 0.15);
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .cta-card {
        padding: 30px 15px;
    }
    .cta-card h2 {
        font-size: 1.6rem;
    }
    .btn-cta {
        max-width: 100%;
    }
}

/* =========================================
   PC Hero CTA Card & Mobile Floating CTA
   ========================================= */
.mo-only {
    display: none !important;
}

/* Hero Flex Layout Container */
.hero-container {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 40px;
}

.hero-content {
    max-width: 680px;
}

/* PC Hero Right CTA Area */
.hero-cta-container {
    background: rgba(5, 12, 14, 0.4);
    border: 1px solid rgba(0, 220, 240, 0.15);
    border-radius: 28px;
    padding: 16px 20px;
    width: 100%;
    max-width: 320px;
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    z-index: 10;
    margin-top: 36px;
    align-self: flex-start;
}

.btn-pc-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 64px;
    border-radius: 20px;
    background: var(--color-accent);
    color: #061014;
    font-weight: 800;
    font-size: 18px;
    text-decoration: none;
    transition: all 0.25s ease;
    cursor: pointer;
    text-align: center;
    box-sizing: border-box;
    box-shadow: 0 4px 15px rgba(0, 229, 255, 0.3);
}

.btn-pc-cta:hover {
    transform: translateY(-2px);
    filter: brightness(1.1);
    box-shadow: 0 6px 20px rgba(0, 229, 255, 0.45);
}

.pc-cta-subtext {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
    text-align: center;
    word-break: keep-all;
}

@media (max-width: 1024px) {
    .pc-only {
        display: none !important;
    }
    .mo-only {
        display: flex !important;
    }
    
    .hero-container {
        display: block;
    }
    
    .hero-content {
        max-width: 100%;
    }

    body {
        padding-bottom: 96px; /* Extra padding to avoid floating CTA covering footer links */
    }

    /* Mobile Floating CTA */
    .mo-floating-cta {
        position: fixed;
        bottom: 16px;
        left: 16px;
        right: 16px;
        height: 64px;
        background: rgba(12, 12, 14, 0.95);
        border: 1px solid rgba(0, 229, 255, 0.25);
        border-radius: 12px;
        padding: 8px 16px;
        z-index: 999;
        backdrop-filter: blur(10px);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
        align-items: center;
        justify-content: space-between;
        gap: 12px;
    }

    .mo-cta-container {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
    }

    .mo-cta-text-wrapper {
        flex: 1;
        min-width: 0;
    }

    .mo-cta-title {
        font-size: 0.9rem;
        font-weight: 700;
        color: #fff;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        display: block;
    }

    .mo-cta-buttons {
        display: flex;
        gap: 8px;
        flex-shrink: 0;
    }

    .btn-mo-cta {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 10px 16px;
        border-radius: 6px;
        font-size: 0.85rem;
        font-weight: 700;
        text-decoration: none;
        transition: background-color 0.2s ease;
        white-space: nowrap;
    }

    .btn-mo-cta.mo-phone-link {
        background-color: var(--color-accent);
        color: #000;
    }

    .btn-mo-cta.mo-sms-link {
        background-color: rgba(255, 255, 255, 0.08);
        color: #fff;
        border: 1px solid rgba(255, 255, 255, 0.15);
    }
}


/* =========================================
   Light Theme Override Styles (Added by Antigravity)
   ========================================= */

/* Hero 영역 텍스트 및 로고 다크 테마 강제 고정 (오버레이 위에 있으므로 가독성 위해 흰색 유지) */
.header, .hero {
    color: #ffffff;
}
.logo {
    color: #ffffff !important;
}
.hero-content h1 {
    color: #ffffff;
}
.hero-subtitle {
    color: rgba(255, 255, 255, 0.8) !important;
}
.hero-features li {
    color: rgba(255, 255, 255, 0.9) !important;
}
.hero-features li::before {
    background-color: var(--color-accent);
    box-shadow: 0 0 10px rgba(0, 207, 232, 0.5);
}
.hero::after {
    /* 오버레이 강도를 조절하여 히어로 이미지가 약간 더 밝게 보이도록 함 */
    background: linear-gradient(90deg, rgba(17,17,17,0.75) 0%, rgba(17,17,17,0.3) 100%);
}

/* Header gradient adjust for white top text on dark transparent header */
.header {
    background: linear-gradient(to bottom, rgba(17,17,17,0.7), rgba(17,17,17,0));
}

/* Service Block Light Transition */
.service-block::after {
    /* 텍스트 영역 가독성을 확보하고 우측 이미지는 완전히 투명하게 노출되도록 그라데이션 수정 */
    background: linear-gradient(to right, rgba(255, 255, 255, 0.92) 0%, rgba(255, 255, 255, 0.6) 40%, rgba(255, 255, 255, 0.1) 80%, rgba(255, 255, 255, 0) 100%);
}
.service-title {
    color: var(--color-text-main) !important;
}
.service-group-desc {
    color: var(--color-text-muted) !important;
}
.service-details li {
    color: var(--color-text-muted) !important;
}

/* Service Cards */
.s-card {
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.02);
}
.s-card:hover {
    background: #EEF7F8;
    border-color: var(--color-accent);
}
.s-card h3 {
    color: var(--color-text-main) !important;
}
.s-card p {
    color: var(--color-text-muted) !important;
}

/* Why Section */
.pain-card {
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
}
.pain-card h3 {
    color: var(--color-accent-dark) !important;
}
.pain-card p {
    color: var(--color-text-muted) !important;
}

/* Process Section */
.process-card {
    background: linear-gradient(135deg, var(--color-bg-surface), #EEF7F8);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-accent);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.02);
}
.step-num {
    color: var(--color-accent-dark) !important;
}
.step-desc {
    color: var(--color-text-main) !important;
}

/* Possible Works Section */
.possible-works-section {
    background-color: var(--color-bg-base) !important;
    border-top: 1px solid var(--color-border) !important;
    border-bottom: 1px solid var(--color-border) !important;
}
.possible-works-section .section-subtitle {
    color: var(--color-text-muted) !important;
}
.works-text-list {
    color: var(--color-text-muted) !important;
}
.marquee-item {
    background: var(--color-bg-surface) !important;
    border: 1px solid var(--color-border) !important;
}

/* FAQ Section */
.faq-accordion details {
    background-color: var(--color-bg-surface) !important;
    border: 1px solid var(--color-border);
}
.faq-accordion summary {
    color: var(--color-text-main) !important;
}
.faq-accordion summary::after {
    color: var(--color-accent-dark) !important;
}
.faq-answer {
    color: var(--color-text-muted) !important;
    border-top: 1px solid var(--color-border);
}

/* Related Links */
.related-links-section {
    background-color: var(--color-bg-base) !important;
}
.links-group h3 {
    color: var(--color-text-main) !important;
    border-left: 3px solid var(--color-accent);
}
.links-grid a {
    background: var(--color-bg-surface) !important;
    border: 1px solid var(--color-border) !important;
    color: var(--color-text-muted) !important;
}
.links-grid a:hover {
    background: #EEF7F8 !important;
    color: var(--color-accent-dark) !important;
    border-color: var(--color-accent) !important;
}

/* Mid CTA & Final CTA */
.mid-cta {
    background: linear-gradient(90deg, #EEF7F8 0%, var(--color-bg-surface) 100%) !important;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}
#mid-cta-text {
    color: var(--color-text-main) !important;
}
.btn-mid-cta {
    background-color: var(--color-accent) !important;
    color: var(--color-cta-text) !important;
    box-shadow: 0 4px 15px rgba(0, 207, 232, 0.2);
}
.btn-mid-cta:hover {
    box-shadow: 0 6px 20px rgba(0, 207, 232, 0.35);
    background-color: var(--color-accent-dark) !important;
    color: #ffffff !important;
}

.final-cta-section {
    background-color: var(--color-bg-base) !important;
    border-top: 1px solid var(--color-border);
}
.cta-card {
    background: var(--color-bg-surface) !important;
    border: 1px solid var(--color-border) !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02) !important;
}
.cta-card h2 {
    color: var(--color-accent-dark) !important;
}
.cta-notice {
    background: #EEF7F8 !important;
    border-left: 4px solid var(--color-accent-dark) !important;
    color: var(--color-text-main) !important;
}
.btn-cta.phone-link {
    background: var(--color-accent) !important;
    color: var(--color-cta-text) !important;
    border: 1px solid var(--color-accent) !important;
}
.btn-cta.phone-link:hover {
    background: var(--color-accent-dark) !important;
    border-color: var(--color-accent-dark) !important;
    color: #ffffff !important;
}
.btn-cta.sms-link {
    background: var(--color-bg-base) !important;
    color: var(--color-text-main) !important;
    border: 1px solid var(--color-border) !important;
}
.btn-cta.sms-link:hover {
    background: #EEF7F8 !important;
}
.btn-cta.sms-photo-link {
    background: #EEF7F8 !important;
    color: var(--color-accent-dark) !important;
    border: 1px solid var(--color-border) !important;
}
.btn-cta.sms-photo-link:hover {
    background: var(--color-accent) !important;
    color: var(--color-cta-text) !important;
    border-color: var(--color-accent) !important;
}

/* Footer Light Mode Override */
.footer {
    background-color: var(--color-bg-surface) !important;
    color: var(--color-text-main) !important;
    border-top: 1px solid var(--color-border);
}
.footer-col h3 {
    color: var(--color-accent-dark) !important;
}
.footer-col p {
    color: var(--color-text-muted) !important;
}
.footer-brand h2 {
    color: var(--color-accent-dark) !important;
}
.footer-brand p {
    color: var(--color-text-muted) !important;
}
.footer-links-col a {
    color: var(--color-text-muted) !important;
}
.footer-links-col a:hover {
    color: var(--color-accent-dark) !important;
}
.footer-chip {
    background: var(--color-bg-base) !important;
    border: 1px solid var(--color-border) !important;
    color: var(--color-text-muted) !important;
}
.footer-chip:hover {
    background: #EEF7F8 !important;
    color: var(--color-accent-dark) !important;
    border-color: var(--color-accent) !important;
}
.footer-chip.view-all-link {
    background: #EEF7F8 !important;
    color: var(--color-accent-dark) !important;
    border-color: var(--color-accent) !important;
}
.footer-chip.view-all-link:hover {
    background: var(--color-accent) !important;
    color: var(--color-cta-text) !important;
}
.footer-bottom {
    border-top: 1px solid var(--color-border) !important;
}
.footer-bottom-links a {
    color: var(--color-text-muted) !important;
}
.footer-bottom-links a:hover {
    color: var(--color-text-main) !important;
}
.footer-copy {
    color: var(--color-text-muted) !important;
}

/* PC Hero CTA Card */
.hero-cta-container {
    background: rgba(255, 255, 255, 0.95) !important;
    border: 1px solid var(--color-border) !important;
    box-shadow: 0 10px 30px rgba(0,0,0,0.04) !important;
}
.btn-pc-cta {
    background: var(--color-accent) !important;
    color: var(--color-cta-text) !important;
    box-shadow: 0 4px 15px rgba(0, 207, 232, 0.2) !important;
}
.btn-pc-cta:hover {
    box-shadow: 0 6px 20px rgba(0, 207, 232, 0.35) !important;
    background-color: var(--color-accent-dark) !important;
    color: #ffffff !important;
}
.pc-cta-subtext {
    color: var(--color-text-muted) !important;
}

/* Need Situation Section */
.need-situation-section {
    background-color: var(--color-bg-surface) !important;
    border-bottom: 1px solid var(--color-border) !important;
}
.need-situation-content p {
    color: var(--color-text-muted) !important;
}

/* Work Scope Section */
.work-scope-section {
    background-color: var(--color-bg-base) !important;
}

/* Mobile responsive overlay overrides */
@media (max-width: 1024px) {
    .hero::after {
        background: linear-gradient(0deg, rgba(17,17,17,0.85) 0%, rgba(17,17,17,0.3) 100%) !important;
    }
    .service-block::after {
        background: linear-gradient(0deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.4) 60%, rgba(255, 255, 255, 0) 100%) !important;
    }
}

/* =========================================
   Mobile Compact Optimization (max-width: 768px)
   ========================================= */
@media (max-width: 768px) {
    /* Section Padding & Title Margin Optimization */
    .pain-points.section-padding,
    .work-scope-section.section-padding {
        padding: 48px 20px !important;
    }
    .pain-points .section-title,
    .work-scope-section .section-title {
        margin-bottom: 24px !important;
        font-size: 1.5rem !important;
    }

    /* 1. "3가지 확인할 점" Section Compact Checklist Layout */
    .pain-point-cards {
        grid-template-columns: 1fr !important;
        gap: 10px !important;
    }
    .pain-card {
        display: grid !important;
        grid-template-columns: auto 1fr !important;
        grid-template-rows: auto auto !important;
        align-items: center !important;
        text-align: left !important;
        padding: 16px !important;
        border-radius: 12px !important;
        gap: 4px 16px !important;
        transform: none !important;
    }
    .pain-card:hover {
        transform: none !important;
    }
    .pain-icon {
        grid-row: span 2 !important;
        font-size: 28px !important;
        margin-bottom: 0 !important;
    }
    .pain-card h3 {
        grid-column: 2 !important;
        font-size: 17px !important;
        margin-bottom: 0 !important;
        line-height: 1.3 !important;
    }
    .pain-card p {
        grid-column: 2 !important;
        font-size: 13px !important;
        line-height: 1.4 !important;
        margin: 0 !important;
    }

    /* 2. "작업 범위" Section Mobile Compact Margins */
    .work-scope-section {
        padding-bottom: 90px !important; /* 모바일 하단 플로팅 CTA와 겹치지 않게 여백 유지 */
    }

    /* 모바일 이미지 슬라이더 카드 높이 최적화 */
    .marquee-item img {
        height: 130px !important;
    }
}

/* Extra small devices (max-width: 480px) for work scope mobile tuning */
@media (max-width: 480px) {
    .mobile-step-card {
        padding: 14px 16px !important; /* padding 컴팩트화 */
    }
    .step-badge {
        width: 28px !important;
        height: 28px !important;
        font-size: 0.9rem !important;
    }
}