/* ========================================
   우레탄 방수 페이지 스타일
   PC + 모바일 통합
   ======================================== */

/* ========================================
   PC - Hero Section
   ======================================== */
.method-hero {
    position: relative;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 160px 20px 100px;
    text-align: center;
    overflow: hidden;
}

.method-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        rgba(0, 47, 108, 0.85) 0%,
        rgba(0, 71, 171, 0.75) 50%,
        rgba(0, 102, 204, 0.7) 100%
    );
}

.method-hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    color: var(--white);
}

.method-hero-badge {
    display: inline-block;
    background: var(--yellow);
    color: var(--black);
    padding: 10px 28px;
    font-weight: 700;
    font-size: 13px;
    margin-bottom: 24px;
    letter-spacing: 2px;
    border-radius: 4px;
}

.method-hero-title {
    color: white;
    font-family: 'Gmarket Sans', sans-serif;
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.method-hero-desc {
    font-size: clamp(1rem, 2vw, 1.3rem);
    opacity: 0.95;
    line-height: 1.8;
    text-shadow: 0 1px 10px rgba(0, 0, 0, 0.2);
}

/* ========================================
   PC - Intro Section
   ======================================== */
.method-intro {
    padding: 100px 20px;
    background: var(--white);
}

.intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.intro-title {
    font-family: 'Gmarket Sans', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 24px;
}

.intro-desc {
    font-size: 1.1rem;
    color: var(--gray-dark);
    line-height: 1.8;
    margin-bottom: 16px;
}

.intro-desc strong {
    color: var(--black);
}

.intro-desc:last-of-type {
    margin-bottom: 24px;
}

.intro-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.intro-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1rem;
    color: var(--black);
}

.intro-feature-icon {
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, #E8F4E8 0%, #D4EDDA 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.intro-feature-icon svg {
    stroke: #2E7D32;
}

.intro-visual {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 71, 171, 0.15);
}

.intro-visual-img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    display: block;
}

.intro-visual-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(
        to top,
        rgba(0, 47, 108, 0.95) 0%,
        rgba(0, 71, 171, 0.8) 50%,
        transparent 100%
    );
    padding: 60px 30px 30px;
}

.intro-visual-stat {
    text-align: center;
    color: var(--white);
}

.stat-number {
    font-family: 'Gmarket Sans', sans-serif;
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1;
}

.stat-suffix {
    font-family: 'Gmarket Sans', sans-serif;
    font-size: 2rem;
    font-weight: 700;
}

.stat-label {
    display: block;
    margin-top: 8px;
    font-size: 0.9rem;
    opacity: 0.9;
}

/* ========================================
   PC - Features Section
   ======================================== */
.method-features {
    padding: 100px 20px;
}

.section-gray {
    background: var(--gray-light);
}

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

.feature-card {
    background: var(--white);
    padding: 32px 24px;
    border-radius: 16px;
    border: 2px solid var(--gray-medium);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 71, 171, 0.15);
    border-color: var(--primary-blue);
}

.feature-icon {
    width: 72px;
    height: 72px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #E8F0FE 0%, #F0F7FF 100%);
    border-radius: 16px;
}

.feature-icon svg {
    width: 48px;
    height: 48px;
}

.feature-title {
    font-family: 'Gmarket Sans', sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--black);
}

.feature-desc {
    color: var(--gray-dark);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ========================================
   PC - Economy Section
   ======================================== */
.method-economy {
    padding: 100px 20px;
    background: var(--white);
}

.economy-header {
    text-align: center;
    margin-bottom: 50px;
}

.economy-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #FFF9E6 0%, #FFF3CC 100%);
    color: var(--black);
    padding: 12px 24px;
    font-weight: 700;
    font-size: 14px;
    border-radius: 30px;
    margin-bottom: 20px;
    border: 2px solid var(--yellow);
}

.economy-badge svg {
    flex-shrink: 0;
}

.economy-subtitle {
    font-size: 1.1rem;
    color: var(--gray-dark);
    max-width: 600px;
    margin: 0 auto;
}

.economy-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

.economy-card {
    background: var(--white);
    border-radius: 20px;
    border: 2px solid var(--gray-medium);
    overflow: hidden;
    transition: all 0.3s ease;
}

.economy-card:hover {
    border-color: var(--primary-blue);
    box-shadow: 0 15px 40px rgba(0, 71, 171, 0.12);
    transform: translateY(-4px);
}

.economy-card-header {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.economy-icon {
    width: 50px;
    height: 50px;
    background: var(--yellow);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.economy-icon svg {
    width: 28px;
    height: 28px;
}

.economy-card-title {
    font-family: 'Gmarket Sans', sans-serif;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--white);
}

.economy-card-body {
    padding: 24px;
}

.economy-desc {
    font-size: 0.95rem;
    color: var(--gray-dark);
    line-height: 1.7;
    margin-bottom: 20px;
}

.economy-desc strong {
    color: var(--primary-blue);
    font-weight: 700;
}

.economy-compare {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.compare-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.compare-label {
    width: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--black);
}

.compare-bar {
    flex: 1;
    height: 28px;
    background: var(--gray-light);
    border-radius: 14px;
    overflow: hidden;
}

.compare-fill {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--primary-blue), #0066CC);
    border-radius: 14px;
    transition: width 1.2s ease-out;
}

.compare-fill-alt {
    background: linear-gradient(90deg, #666, #999);
}

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

.economy-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    color: var(--black);
}

.list-icon {
    width: 24px;
    height: 24px;
    background: #E8F4E8;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.list-icon svg {
    width: 12px;
    height: 12px;
}

.economy-timeline {
    padding-top: 10px;
}

.timeline-bar {
    position: relative;
    height: 6px;
    background: var(--gray-medium);
    border-radius: 3px;
    margin: 10px 0 20px;
}

.timeline-fill {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--primary-blue), #0099FF, var(--yellow));
    border-radius: 3px;
    transition: width 1.5s ease-out;
}

.timeline-marker {
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.marker-dot {
    width: 14px;
    height: 14px;
    background: var(--white);
    border: 3px solid var(--primary-blue);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.marker-dot.active {
    background: var(--yellow);
    border-color: var(--yellow);
    transform: scale(1.2);
}

.marker-label {
    position: absolute;
    top: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gray-dark);
    white-space: nowrap;
}

.timeline-note {
    font-size: 0.8rem;
    color: var(--gray-dark);
    text-align: center;
    margin-top: 18px;
    font-style: italic;
    padding-top: 20px;
}

.economy-summary {
    background: linear-gradient(135deg, #F0F7FF 0%, #E8F0FE 100%);
    border-radius: 16px;
    padding: 28px 32px;
    border: 2px solid rgba(0, 71, 171, 0.15);
}

.summary-content {
    display: flex;
    align-items: center;
    gap: 24px;
}

.summary-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.summary-icon svg {
    width: 48px;
    height: 48px;
}

.summary-text {
    flex: 1;
}

.summary-text strong {
    display: block;
    font-family: 'Gmarket Sans', sans-serif;
    font-size: 1.1rem;
    color: var(--primary-blue);
    margin-bottom: 6px;
}

.summary-text p {
    font-size: 0.95rem;
    color: var(--gray-dark);
    line-height: 1.6;
    margin: 0;
}

.summary-btn {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary-blue);
    color: var(--white);
    padding: 14px 28px;
    font-weight: 700;
    font-size: 0.95rem;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.summary-btn:hover {
    background: var(--primary-blue-dark);
    transform: translateX(4px);
}

.summary-btn svg {
    transition: transform 0.3s ease;
}

.summary-btn:hover svg {
    transform: translateX(4px);
}

/* ========================================
   PC - Process Section
   ======================================== */
.method-process {
    padding: 100px 20px;
    background: var(--gray-light);
}

.process-header {
    text-align: center;
    margin-bottom: 60px;
}

.process-subtitle {
    font-size: 1.1rem;
    color: var(--gray-dark);
    max-width: 500px;
    margin: 0 auto;
}

.process-timeline-wrapper {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.process-item {
    position: relative;
}

.process-card {
    background: var(--white);
    border-radius: 20px;
    padding: 0;
    height: 100%;
    border: 2px solid var(--gray-medium);
    overflow: hidden;
    transition: all 0.4s ease;
}

.process-card:hover {
    border-color: var(--primary-blue);
    box-shadow: 0 20px 50px rgba(0, 71, 171, 0.15);
    transform: translateY(-8px);
}

.process-step-wrapper {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.process-step {
    width: 60px;
    height: 60px;
    background: var(--yellow);
    color: var(--black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    font-weight: 700;
    font-family: 'Gmarket Sans', sans-serif;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.process-card:hover .process-step {
    transform: scale(1.1) rotate(5deg);
}

.process-content {
    padding: 28px 24px;
}

.process-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #E8F0FE 0%, #F0F7FF 100%);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    transition: all 0.3s ease;
}

.process-icon svg {
    stroke: var(--primary-blue);
}

.process-icon-complete {
    background: linear-gradient(135deg, #E8F4E8 0%, #D4EDDA 100%);
}

.process-icon-complete svg {
    stroke: #2E7D32;
}

.process-card:hover .process-icon {
    transform: scale(1.1);
    background: linear-gradient(135deg, var(--primary-blue) 0%, #0066CC 100%);
}

.process-card:hover .process-icon svg {
    stroke: var(--white);
}

.process-card:hover .process-icon-complete {
    background: linear-gradient(135deg, #2E7D32 0%, #4CAF50 100%);
}

.process-title {
    font-family: 'Gmarket Sans', sans-serif;
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--black);
}

.process-desc {
    font-size: 0.9rem;
    color: var(--gray-dark);
    line-height: 1.6;
    margin-bottom: 16px;
}

.process-details {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.process-details li {
    background: var(--gray-light);
    color: var(--gray-dark);
    padding: 6px 12px;
    font-size: 0.8rem;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.process-card:hover .process-details li {
    background: #E8F0FE;
    color: var(--primary-blue);
}

/* ========================================
   PC - Cases Section
   ======================================== */
.method-cases {
    padding: 100px 20px;
    background: var(--white);
}

.cases-header {
    text-align: center;
    margin-bottom: 50px;
}

.cases-subtitle {
    font-size: 1.1rem;
    color: var(--gray-dark);
    max-width: 600px;
    margin: 0 auto;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 50px;
}

.case-item {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    border: 2px solid var(--gray-medium);
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
    display: block;
}

.case-item:hover {
    border-color: var(--primary-blue);
    box-shadow: 0 20px 50px rgba(0, 71, 171, 0.15);
    transform: translateY(-6px);
}

.case-image {
    position: relative;
    height: 180px;
    overflow: hidden;
}

.case-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.case-item:hover .case-img {
    transform: scale(1.05);
}

.case-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--yellow);
    color: var(--black);
    padding: 6px 14px;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 4px;
    letter-spacing: 0.5px;
}

.case-info {
    padding: 24px;
}

.case-tag {
    display: inline-block;
    background: #E8F0FE;
    color: var(--primary-blue);
    padding: 5px 12px;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 4px;
    margin-bottom: 12px;
}

.case-title {
    font-family: 'Gmarket Sans', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 10px;
    line-height: 1.4;
}

.case-desc {
    font-size: 0.9rem;
    color: var(--gray-dark);
    line-height: 1.6;
    margin-bottom: 16px;
}

.case-details {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
    padding-top: 16px;
    border-top: 1px solid var(--gray-medium);
}

.case-details li {
    font-size: 0.8rem;
    color: var(--gray-dark);
}

.case-details strong {
    color: var(--black);
}

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

.btn-cases-more {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--white);
    color: var(--primary-blue);
    padding: 16px 36px;
    font-weight: 700;
    font-size: 1rem;
    border: 2px solid var(--primary-blue);
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-cases-more:hover {
    background: var(--primary-blue);
    color: var(--white);
}

.btn-cases-more:hover .btn-arrow {
    transform: translateX(4px);
}

.btn-arrow {
    transition: transform 0.3s ease;
}

/* ========================================
   PC - CTA Section
   ======================================== */
.method-cta {
    padding: 100px 20px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
}

.cta-content {
    text-align: center;
    color: var(--white);
}

.cta-title {
    color: white;
    font-family: 'Gmarket Sans', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-desc {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 32px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.method-cta .btn {
    padding: 16px 36px;
    font-size: 1rem;
    font-weight: 700;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
    text-decoration: none;
}

.method-cta .btn-primary {
    background: var(--yellow);
    color: var(--black);
    border: 2px solid var(--yellow);
}

.method-cta .btn-primary:hover {
    background: transparent;
    color: var(--yellow);
}

.method-cta .btn-primary:hover .btn-icon svg {
    stroke: var(--yellow);
}

.method-cta .btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.method-cta .btn-outline:hover {
    background: var(--white);
    color: var(--primary-blue);
}

.method-cta .btn-outline:hover .btn-icon svg {
    stroke: var(--primary-blue);
}

.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    transition: stroke 0.3s ease;
}

.method-cta .btn-primary .btn-icon svg {
    stroke: var(--black);
}

/* ========================================
   PC - Animations
   ======================================== */
[data-aos="fade-up"] {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

[data-aos="fade-up"].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   PC - Responsive (1200px 이하)
   ======================================== */
@media (max-width: 1200px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 1024px) {
    .economy-grid {
        grid-template-columns: 1fr;
    }
    
    .process-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .summary-content {
        flex-direction: column;
        text-align: center;
    }
    
    .summary-btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
}


/* ========================================
   ========================================
   모바일 스타일 (768px 이하)
   ========================================
   ======================================== */
@media (max-width: 768px) {
    
    /* ========================================
       가로 스크롤 흔들림 방지
       ======================================== */
    html, body {
        overflow-x: hidden;
        overscroll-behavior-x: none;
    }
    
    #main-content,
    main {
        overflow-x: hidden;
    }
    
    /* ========================================
       공통 여백 변수
       ======================================== */
    :root {
        --mobile-padding: 20px;
    }
    
    /* ========================================
       Hero Section
       ======================================== */
    .method-hero {
        min-height: auto;
        padding: 100px var(--mobile-padding) 56px;
    }
    
    .method-hero-badge {
        padding: 8px 16px;
        font-size: 10px;
        letter-spacing: 1px;
        margin-bottom: 14px;
    }
    
    .method-hero-title {
        font-size: 1.75rem;
        margin-bottom: 12px;
        line-height: 1.3;
    }
    
    .method-hero-desc {
        font-size: 0.95rem;
        line-height: 1.6;
        max-width: 320px;
        margin: 0 auto;
    }
    
    /* ========================================
       Section 공통
       ======================================== */
    .method-intro,
    .method-process,
    .method-cta {
        padding: 48px var(--mobile-padding);
    }
    
    .method-economy {
        padding: 48px var(--mobile-padding);
        overflow: hidden;
    }
    
    .method-features,
    .method-cases {
        padding: 48px 0;
        overflow: hidden;
    }
    
    .section-title {
        font-size: 1.5rem;
        margin-bottom: 10px;
        word-break: keep-all;
    }
    
    /* ========================================
       Intro Section
       ======================================== */
    .intro-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .intro-title {
        font-size: 1.4rem;
        margin-bottom: 14px;
    }
    
    .intro-desc {
        font-size: 0.95rem;
        line-height: 1.7;
        margin-bottom: 12px;
    }
    
    .intro-features {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        margin-top: 20px;
    }
    
    .intro-features li {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 0.8rem;
        padding: 8px 12px;
        background: var(--gray-light);
        border-radius: 20px;
    }
    
    .intro-feature-icon {
        width: 18px;
        height: 18px;
    }
    
    .intro-feature-icon svg {
        width: 12px;
        height: 12px;
    }
    
    .intro-visual {
        border-radius: 16px;
        height: 180px;
        overflow: hidden;
    }
    
    .intro-visual-img {
        height: 100%;
    }
    
    .intro-visual-overlay {
        padding: 24px var(--mobile-padding) 20px;
        background: linear-gradient(
            to top,
            rgba(0, 47, 108, 0.95) 0%,
            transparent 100%
        );
    }
    
    .intro-visual-stat {
        display: flex;
        align-items: baseline;
        justify-content: center;
        gap: 2px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .stat-suffix {
        font-size: 1.1rem;
    }
    
    .stat-label {
        font-size: 0.75rem;
        margin-top: 4px;
    }
    
    /* ========================================
       Features Section - 가로 스크롤
       ======================================== */
    .method-features .section-container {
        padding: 0;
        overflow: visible;
    }
    
    .method-features .section-title {
        padding: 0 var(--mobile-padding);
        margin-bottom: 24px;
    }
    
    .features-grid {
        display: flex;
        gap: 14px;
        overflow-x: auto;
        overflow-y: hidden;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        padding: 4px 0 20px;
        margin: 0;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }
    
    .features-grid::-webkit-scrollbar {
        display: none;
    }
    
    .feature-card:first-child {
        margin-left: var(--mobile-padding);
    }
    
    .feature-card:last-child {
        margin-right: var(--mobile-padding);
    }
    
    .feature-card {
        flex: 0 0 280px;
        min-width: 280px;
        scroll-snap-align: start;
        padding: 24px 20px;
        border-radius: 14px;
    }
    
    .feature-icon {
        width: 52px;
        height: 52px;
        margin-bottom: 16px;
        border-radius: 12px;
    }
    
    .feature-icon svg {
        width: 30px;
        height: 30px;
    }
    
    .feature-title {
        font-size: 1.05rem;
        margin-bottom: 8px;
    }
    
    .feature-desc {
        font-size: 0.9rem;
        line-height: 1.55;
    }
    
    /* ========================================
       Economy Section - 가로 스크롤
       ======================================== */
    .economy-header {
        margin-bottom: 24px;
    }
    
    .economy-badge {
        padding: 10px 18px;
        font-size: 12px;
        margin-bottom: 14px;
    }
    
    .economy-subtitle {
        font-size: 0.95rem;
        line-height: 1.5;
    }
    
    .economy-grid {
        display: flex;
        gap: 14px;
        overflow-x: auto;
        overflow-y: hidden;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        padding: 4px 0 16px;
        margin: 0 calc(var(--mobile-padding) * -1);
        scrollbar-width: none;
    }
    
    .economy-grid::-webkit-scrollbar {
        display: none;
    }
    
    .economy-card:first-child {
        margin-left: var(--mobile-padding);
    }
    
    .economy-card:last-child {
        margin-right: var(--mobile-padding);
    }
    
    .economy-card {
        flex: 0 0 300px;
        min-width: 300px;
        scroll-snap-align: start;
        border-radius: 14px;
    }
    
    .economy-card-header {
        padding: 18px;
        gap: 12px;
    }
    
    .economy-icon {
        width: 44px;
        height: 44px;
        border-radius: 10px;
    }
    
    .economy-icon svg {
        width: 24px;
        height: 24px;
    }
    
    .economy-card-title {
        font-size: 1rem;
    }
    
    .economy-card-body {
        padding: 18px;
    }
    
    .economy-desc {
        font-size: 0.875rem;
        line-height: 1.6;
        margin-bottom: 16px;
    }
    
    .economy-compare {
        gap: 10px;
    }
    
    .compare-item {
        gap: 10px;
    }
    
    .compare-label {
        width: 44px;
        font-size: 0.8rem;
    }
    
    .compare-bar {
        height: 24px;
        border-radius: 12px;
    }
    
    .economy-list {
        gap: 10px;
    }
    
    .economy-list li {
        font-size: 0.875rem;
        gap: 10px;
    }
    
    .list-icon {
        width: 20px;
        height: 20px;
    }
    
    .timeline-bar {
        margin: 8px 0 18px;
    }
    
    .marker-label {
        font-size: 0.65rem;
        top: 18px;
    }
    
    .timeline-note {
        font-size: 0.75rem;
        padding-top: 14px;
    }
    
    .economy-summary {
        padding: 20px;
        border-radius: 14px;
        margin-top: 8px;
    }
    
    .summary-content {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    
    .summary-icon svg {
        width: 36px;
        height: 36px;
    }
    
    .summary-text strong {
        font-size: 1rem;
    }
    
    .summary-text p {
        font-size: 0.875rem;
        line-height: 1.5;
    }
    
    .summary-btn {
        width: 100%;
        padding: 14px 24px;
        font-size: 0.9rem;
    }
    
    /* ========================================
       Process Section - 2열 그리드
       ======================================== */
    .process-header {
        margin-bottom: 28px;
    }
    
    .process-subtitle {
        font-size: 0.95rem;
    }
    
    .process-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .process-card {
        border-radius: 12px;
    }
    
    .process-step-wrapper {
        padding: 12px;
    }
    
    .process-step {
        width: 40px;
        height: 40px;
        font-size: 0.95rem;
    }
    
    .process-content {
        padding: 16px 14px;
    }
    
    .process-icon {
        width: 40px;
        height: 40px;
        border-radius: 10px;
        margin-bottom: 10px;
    }
    
    .process-icon svg {
        width: 22px;
        height: 22px;
    }
    
    .process-title {
        font-size: 0.9rem;
        margin-bottom: 6px;
    }
    
    .process-desc {
        font-size: 0.8rem;
        line-height: 1.45;
        margin-bottom: 0;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    
    .process-details {
        display: none;
    }
    
    /* ========================================
       Cases Section - 가로 스크롤
       ======================================== */
    .method-cases .section-container {
        padding: 0;
        overflow: visible;
    }
    
    .cases-header {
        padding: 0 var(--mobile-padding);
        margin-bottom: 24px;
    }
    
    .cases-subtitle {
        font-size: 0.95rem;
    }
    
    .cases-grid {
        display: flex;
        gap: 14px;
        overflow-x: auto;
        overflow-y: hidden;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        padding: 4px 0 20px;
        margin: 0;
        scrollbar-width: none;
    }
    
    .cases-grid::-webkit-scrollbar {
        display: none;
    }
    
    .case-item:first-child {
        margin-left: var(--mobile-padding);
    }
    
    .case-item:last-child {
        margin-right: var(--mobile-padding);
    }
    
    .case-item {
        flex: 0 0 260px;
        min-width: 260px;
        scroll-snap-align: start;
        border-radius: 14px;
        flex-direction: column;
    }
    
    .case-image {
        width: 100%;
        height: 140px;
    }
    
    .case-badge {
        top: 10px;
        left: 10px;
        padding: 5px 10px;
        font-size: 0.65rem;
    }
    
    .case-info {
        padding: 18px;
    }
    
    .case-tag {
        padding: 4px 10px;
        font-size: 0.7rem;
        margin-bottom: 8px;
    }
    
    .case-title {
        font-size: 0.95rem;
        margin-bottom: 6px;
        line-height: 1.35;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    .case-desc {
        font-size: 0.8rem;
        line-height: 1.5;
        margin-bottom: 12px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    
    .case-details {
        padding-top: 12px;
        gap: 6px 12px;
    }
    
    .case-details li {
        font-size: 0.7rem;
    }
    
    .cases-more {
        padding: 0 var(--mobile-padding);
        margin-top: 8px;
    }
    
    .btn-cases-more {
        padding: 14px 28px;
        font-size: 0.9rem;
        border-radius: 10px;
    }
    
    /* ========================================
       CTA Section
       ======================================== */
    .method-cta {
        padding: 44px var(--mobile-padding);
    }
    
    .cta-title {
        font-size: 1.35rem;
        margin-bottom: 10px;
    }
    
    .cta-desc {
        font-size: 0.95rem;
        margin-bottom: 24px;
    }
    
    .cta-buttons {
        flex-direction: row;
        gap: 12px;
    }
    
    .method-cta .btn {
        flex: 1;
        padding: 16px 14px;
        font-size: 0.9rem;
        border-radius: 10px;
        justify-content: center;
    }
    
    .method-cta .btn .btn-icon {
        display: none;
    }
}


/* ========================================
   소형 모바일 (480px 이하)
   ======================================== */
@media (max-width: 480px) {
    
    :root {
        --mobile-padding: 16px;
    }
    
    .method-hero {
        padding: 92px var(--mobile-padding) 48px;
    }
    
    .method-hero-title {
        font-size: 1.5rem;
    }
    
    .method-hero-desc {
        font-size: 0.9rem;
    }
    
    .method-intro,
    .method-process,
    .method-cta {
        padding: 40px var(--mobile-padding);
    }
    
    .method-economy {
        padding: 40px var(--mobile-padding);
    }
    
    .method-features,
    .method-cases {
        padding: 40px 0;
    }
    
    .section-title {
        font-size: 1.35rem;
    }
    
    .intro-title {
        font-size: 1.25rem;
    }
    
    .intro-desc {
        font-size: 0.9rem;
    }
    
    .intro-features li {
        font-size: 0.75rem;
        padding: 6px 10px;
    }
    
    .intro-visual {
        height: 160px;
        border-radius: 12px;
    }
    
    .stat-number {
        font-size: 1.75rem;
    }
    
    .feature-card {
        flex: 0 0 250px;
        min-width: 250px;
        padding: 20px 16px;
        border-radius: 12px;
    }
    
    .feature-icon {
        width: 46px;
        height: 46px;
    }
    
    .feature-title {
        font-size: 0.95rem;
    }
    
    .feature-desc {
        font-size: 0.85rem;
    }
    
    .economy-card {
        flex: 0 0 270px;
        min-width: 270px;
        border-radius: 12px;
    }
    
    .economy-card-header {
        padding: 14px;
    }
    
    .economy-card-body {
        padding: 14px;
    }
    
    .economy-summary {
        padding: 16px;
        border-radius: 12px;
    }
    
    .process-grid {
        gap: 10px;
    }
    
    .process-card {
        border-radius: 10px;
    }
    
    .process-step-wrapper {
        padding: 10px;
    }
    
    .process-step {
        width: 36px;
        height: 36px;
        font-size: 0.85rem;
    }
    
    .process-content {
        padding: 12px;
    }
    
    .process-icon {
        width: 36px;
        height: 36px;
    }
    
    .process-title {
        font-size: 0.85rem;
    }
    
    .process-desc {
        font-size: 0.75rem;
    }
    
    .case-item {
        flex: 0 0 230px;
        min-width: 230px;
        border-radius: 12px;
    }
    
    .case-image {
        height: 120px;
    }
    
    .case-info {
        padding: 14px;
    }
    
    .case-title {
        font-size: 0.9rem;
    }
    
    .case-desc {
        font-size: 0.75rem;
    }
    
    .method-cta {
        padding: 36px var(--mobile-padding);
    }
    
    .cta-title {
        font-size: 1.2rem;
    }
    
    .cta-desc {
        font-size: 0.9rem;
        margin-bottom: 20px;
    }
    
    .cta-buttons {
        gap: 10px;
    }
    
    .method-cta .btn {
        padding: 14px 12px;
        font-size: 0.85rem;
    }
}


/* ========================================
   가로 모드
   ======================================== */
@media (max-width: 768px) and (orientation: landscape) {
    
    .method-hero {
        padding: 76px var(--mobile-padding) 36px;
    }
    
    .method-hero-title {
        font-size: 1.4rem;
    }
    
    .intro-visual {
        height: 200px;
    }
    
    .features-grid,
    .economy-grid,
    .cases-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        overflow-x: visible;
        padding: 0;
        gap: 14px;
    }
    
    .feature-card:first-child,
    .feature-card:last-child,
    .economy-card:first-child,
    .economy-card:last-child,
    .case-item:first-child,
    .case-item:last-child {
        margin-left: 0;
        margin-right: 0;
    }
    
    .feature-card,
    .economy-card,
    .case-item {
        flex: none;
        min-width: auto;
    }
    
    .process-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .method-features .section-container,
    .method-cases .section-container {
        padding: 0 var(--mobile-padding);
    }
    
    .economy-grid {
        margin: 0;
    }
}


/* ========================================
   터치 디바이스 최적화
   ======================================== */
@media (hover: none) and (pointer: coarse) {
    
    .features-grid,
    .economy-grid,
    .cases-grid {
        scroll-behavior: smooth;
    }
    
    .feature-card:active,
    .economy-card:active,
    .case-item:active,
    .summary-btn:active,
    .btn-cases-more:active,
    .method-cta .btn:active {
        transform: scale(0.98);
        opacity: 0.9;
    }
    
    .feature-card:hover,
    .economy-card:hover,
    .process-card:hover,
    .case-item:hover {
        transform: none;
        box-shadow: none;
        border-color: var(--gray-medium);
    }
}


/* ========================================
   접근성
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    
    .features-grid,
    .economy-grid,
    .cases-grid {
        scroll-behavior: auto;
    }
    
    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}


/* ========================================
   Safe Area (노치 대응)
   ======================================== */
@supports (padding: max(0px)) {
    @media (max-width: 768px) {
        
        .method-hero,
        .method-intro,
        .method-process,
        .method-cta {
            padding-left: max(var(--mobile-padding), env(safe-area-inset-left));
            padding-right: max(var(--mobile-padding), env(safe-area-inset-right));
        }
        
        .method-economy {
            padding-left: max(var(--mobile-padding), env(safe-area-inset-left));
            padding-right: max(var(--mobile-padding), env(safe-area-inset-right));
        }
        
        .method-features .section-title,
        .cases-header,
        .cases-more {
            padding-left: max(var(--mobile-padding), env(safe-area-inset-left));
            padding-right: max(var(--mobile-padding), env(safe-area-inset-right));
        }
        
        .feature-card:first-child,
        .economy-card:first-child,
        .case-item:first-child {
            margin-left: max(var(--mobile-padding), env(safe-area-inset-left));
        }
        
        .feature-card:last-child,
        .economy-card:last-child,
        .case-item:last-child {
            margin-right: max(var(--mobile-padding), env(safe-area-inset-right));
        }
        
        .method-cta {
            padding-bottom: max(44px, calc(44px + env(safe-area-inset-bottom)));
        }
    }
}
/* ========================================
   가로 스크롤 좌측 여백 - !important 강제 적용
   ======================================== */

@media (max-width: 768px) {
    
    /* ========================================
       Features
       ======================================== */
    .features-grid {
        display: flex !important;
        gap: 14px !important;
        overflow-x: auto !important;
        overflow-y: hidden !important;
        scroll-snap-type: x mandatory !important;
        -webkit-overflow-scrolling: touch !important;
        padding: 4px 0 20px 0 !important;
        margin: 0 !important;
        margin-left:16px !important;
        scrollbar-width: none !important;
        -ms-overflow-style: none !important;
    }
    
    .features-grid::-webkit-scrollbar {
        display: none !important;
    }
    
    .features-grid::before {
        content: '' !important;
        flex: 0 0 20px !important;
        min-width: 20px !important;
        display: block !important;
    }
    
    .features-grid::after {
        content: '' !important;
        flex: 0 0 20px !important;
        min-width: 20px !important;
        display: block !important;
    }
    
    .feature-card {
        flex: 0 0 280px !important;
        min-width: 280px !important;
        scroll-snap-align: start !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
    }
    
    /* ========================================
       Economy
       ======================================== */
    .method-economy {
        padding: 48px 0 !important;
        overflow: hidden !important;
    }
    
    .economy-header {
        padding: 0 20px !important;
        margin-bottom: 24px !important;
    }
    
    .economy-grid {
        display: flex !important;
        gap: 14px !important;
        overflow-x: auto !important;
        overflow-y: hidden !important;
        scroll-snap-type: x mandatory !important;
        -webkit-overflow-scrolling: touch !important;
        padding: 4px 0 16px 0 !important;
        margin: 0 !important;
        margin-left:16px !important;
        scrollbar-width: none !important;
    }
    
    .economy-grid::-webkit-scrollbar {
        display: none !important;
    }
    
    .economy-grid::before {
        content: '' !important;
        flex: 0 0 20px !important;
        min-width: 20px !important;
        display: block !important;
    }
    
    .economy-grid::after {
        content: '' !important;
        flex: 0 0 20px !important;
        min-width: 20px !important;
        display: block !important;
    }
    
    .economy-card {
        flex: 0 0 300px !important;
        min-width: 300px !important;
        scroll-snap-align: start !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
    }
    
    .economy-summary {
        margin: 8px 20px 0 20px !important;
    }
    
    /* ========================================
       Cases
       ======================================== */
    .cases-grid {
        display: flex !important;
        gap: 14px !important;
        overflow-x: auto !important;
        overflow-y: hidden !important;
        scroll-snap-type: x mandatory !important;
        -webkit-overflow-scrolling: touch !important;
        padding: 4px 0 20px 0 !important;
        margin: 0 !important;
        margin-left:16px !important;
        scrollbar-width: none !important;
    }
    
    .cases-grid::-webkit-scrollbar {
        display: none !important;
    }
    
    .cases-grid::before {
        content: '' !important;
        flex: 0 0 20px !important;
        min-width: 20px !important;
        display: block !important;
    }
    
    .cases-grid::after {
        content: '' !important;
        flex: 0 0 20px !important;
        min-width: 20px !important;
        display: block !important;
    }
    
    .case-item {
        flex: 0 0 260px !important;
        min-width: 260px !important;
        scroll-snap-align: start !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
    }
}

@media (max-width: 480px) {
    
    .features-grid::before,
    .features-grid::after,
    .economy-grid::before,
    .economy-grid::after,
    .cases-grid::before,
    .cases-grid::after {
        flex: 0 0 16px !important;
        min-width: 16px !important;
        
    }
    
    .economy-header {
        padding: 0 16px !important;
    }
    
    .economy-summary {
        margin: 8px 16px 0 16px !important;
    }
    
    .feature-card {
        flex: 0 0 250px !important;
        min-width: 250px !important;
    }
    
    .economy-card {
        flex: 0 0 270px !important;
        min-width: 270px !important;
    }
    
    .case-item {
        flex: 0 0 230px !important;
        min-width: 230px !important;
    }
}