/* 냉난방기 매입 특별관 페이지 CSS v1.2.0 */

/* 헤더 섹션 스타일 */
.productseasonal-guide-section {
    position: relative;
    min-height: 100vh;
}

.productseasonal-header {
    position: relative;
    padding: 80px 0 60px 0;
    margin-bottom: 60px;
    overflow: hidden;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.productseasonal-header-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(0, 88, 163, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 219, 0, 0.06) 0%, transparent 50%);
    pointer-events: none;
}

.productseasonal-header-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    text-align: center;
}

.productseasonal-header-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: linear-gradient(135deg, #0058a3, #003d7a);
    color: #ffffff;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    box-shadow: 0 4px 15px rgba(0, 88, 163, 0.3);
    margin-bottom: 30px;
    animation: fadeInUp 0.6s ease-out;
}

.productseasonal-header-badge i {
    font-size: 16px;
    color: #ffdb00;
}

.productseasonal-main-title {
    font-size: 56px;
    font-weight: 900;
    line-height: 1.2;
    margin: 0 0 24px 0;
    color: #1a1a1a;
    letter-spacing: -1px;
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.productseasonal-main-title .title-highlight {
    background: linear-gradient(135deg, #0058a3, #003d7a);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.productseasonal-description {
    font-size: 20px;
    font-weight: 400;
    color: #64748b;
    line-height: 1.6;
    margin: 0 0 40px 0;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 0.6s ease-out 0.4s both;
}

.productseasonal-header-divider {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, transparent, #0058a3, transparent);
    margin: 0 auto;
    border-radius: 2px;
    animation: fadeInUp 0.6s ease-out 0.6s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 배너 영역 스타일 */
.productseasonal-content-area {
    margin-top: 40px;
    margin-bottom: 60px;
}

.productseasonal-banner-item {
    margin-bottom: 30px;
    position: relative;
}

.productseasonal-banner-link {
    display: block;
    text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.productseasonal-banner-link:hover {
    transform: translateY(-5px);
}

.productseasonal-banner-image {
    display: block;
    width: 100%;
    max-width: 1024px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: box-shadow 0.3s ease;
}

.productseasonal-banner-link:hover .productseasonal-banner-image {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.productseasonal-banner-img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.productseasonal-banner-link:hover .productseasonal-banner-img {
    transform: scale(1.02);
}

.productseasonal-banner-text {
    margin-top: 20px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
    text-align: center;
}

.productseasonal-banner-text1 {
    font-size: 18px;
    font-weight: 600;
    color: #1a1a1a;
    margin: 0 0 10px 0;
}

.productseasonal-banner-text2 {
    font-size: 16px;
    font-weight: 400;
    color: #666;
    margin: 0;
}

.productseasonal-banner-empty {
    text-align: center;
    padding: 60px 20px;
    color: #999;
    font-size: 16px;
}

/* 반응형 디자인 */
@media (max-width: 992px) {
    .productseasonal-header {
        padding: 60px 0 50px 0;
        margin-bottom: 50px;
    }
    
    .productseasonal-main-title {
        font-size: 42px;
    }
    
    .productseasonal-description {
        font-size: 18px;
    }
}

@media (max-width: 768px) {
    .productseasonal-header {
        padding: 50px 0 40px 0;
        margin-bottom: 40px;
    }
    
    .productseasonal-header-content {
        padding: 0 15px;
    }
    
    .productseasonal-header-badge {
        padding: 8px 20px;
        font-size: 12px;
        margin-bottom: 24px;
    }
    
    .productseasonal-header-badge i {
        font-size: 14px;
    }
    
    .productseasonal-main-title {
        font-size: 32px;
        margin-bottom: 20px;
        letter-spacing: -0.5px;
    }
    
    .productseasonal-description {
        font-size: 16px;
        margin-bottom: 30px;
    }
    
    .productseasonal-header-divider {
        width: 60px;
        height: 3px;
    }
    
    .productseasonal-content-area {
        margin-top: 30px;
        margin-bottom: 40px;
    }
    
    .productseasonal-banner-item {
        margin-bottom: 20px;
    }
    
    .productseasonal-banner-image {
        border-radius: 8px;
    }
    
    .productseasonal-banner-text {
        padding: 15px;
        margin-top: 15px;
    }
    
    .productseasonal-banner-text1 {
        font-size: 16px;
    }
    
    .productseasonal-banner-text2 {
        font-size: 14px;
    }
}

/* 냉난방기 매입 안내 섹션 */
.air-conditioner-purchase-section {
    padding: 100px 0;
    background: linear-gradient(180deg, #ffffff 0%, #f0f7ff 50%, #f8fafc 100%);
    position: relative;
    overflow: hidden;
}

.air-conditioner-purchase-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(0, 88, 163, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 219, 0, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(0, 88, 163, 0.03) 0%, transparent 70%);
    pointer-events: none;
    animation: backgroundPulse 8s ease-in-out infinite;
}

@keyframes backgroundPulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

.air-purchase-container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* 헤더 (로고 + 제목) */
.air-purchase-header {
    text-align: center;
    margin-bottom: 80px;
    animation: fadeInDown 0.8s ease-out;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.air-purchase-logo {
    margin-bottom: 40px;
    position: relative;
    display: inline-block;
}

.air-purchase-logo::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, rgba(0, 88, 163, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    z-index: -1;
    animation: logoGlow 3s ease-in-out infinite;
}

@keyframes logoGlow {
    0%, 100% {
        opacity: 0.5;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 0.8;
        transform: translate(-50%, -50%) scale(1.1);
    }
}

.air-logo-img {
    max-width: 220px;
    height: auto;
    filter: drop-shadow(0 8px 16px rgba(0, 88, 163, 0.2));
    transition: transform 0.3s ease;
}

.air-logo-img:hover {
    transform: scale(1.05);
}

.air-purchase-title {
    font-size: 48px;
    font-weight: 900;
    background: linear-gradient(135deg, #1a1a1a 0%, #0058a3 50%, #1a1a1a 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.3;
    margin: 0;
    letter-spacing: -1px;
    animation: titleShine 3s linear infinite;
    position: relative;
}

@keyframes titleShine {
    to {
        background-position: 200% center;
    }
}

.air-purchase-title .title-ok {
    background: linear-gradient(135deg, #0058a3, #00a8ff, #0058a3);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 900;
    position: relative;
    display: inline-block;
    animation: okShine 2s linear infinite;
    text-shadow: 0 0 30px rgba(0, 88, 163, 0.3);
}

@keyframes okShine {
    to {
        background-position: 200% center;
    }
}

/* 주요 포인트 4개 */
.air-purchase-points {
    margin-bottom: 60px;
}

.air-point-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border: 2px solid transparent;
    border-radius: 20px;
    padding: 35px;
    height: 100%;
    display: flex;
    gap: 24px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.air-point-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 6px;
    height: 100%;
    background: linear-gradient(180deg, #0058a3, #00a8ff, #0058a3);
    opacity: 0;
    transition: opacity 0.4s ease;
    box-shadow: 0 0 20px rgba(0, 88, 163, 0.5);
}

.air-point-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 88, 163, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.air-point-card:hover {
    border-color: #0058a3;
    box-shadow: 0 12px 40px rgba(0, 88, 163, 0.25), 0 0 0 1px rgba(0, 88, 163, 0.1);
    transform: translateY(-8px) scale(1.02);
    background: linear-gradient(135deg, #ffffff 0%, #f0f7ff 100%);
}

.air-point-card:hover::before {
    opacity: 1;
    width: 6px;
    animation: borderGlow 2s ease-in-out infinite;
}

.air-point-card:hover::after {
    opacity: 1;
}

@keyframes borderGlow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(0, 88, 163, 0.5);
    }
    50% {
        box-shadow: 0 0 30px rgba(0, 88, 163, 0.8);
    }
}

.air-point-number {
    flex-shrink: 0;
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #0058a3 0%, #00a8ff 50%, #0058a3 100%);
    background-size: 200% auto;
    color: #ffffff;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 900;
    box-shadow: 0 8px 24px rgba(0, 88, 163, 0.4), inset 0 2px 4px rgba(255, 255, 255, 0.2);
    position: relative;
    transition: all 0.4s ease;
    animation: numberGradient 3s linear infinite;
}

@keyframes numberGradient {
    to {
        background-position: 200% center;
    }
}

.air-point-card:hover .air-point-number {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 12px 32px rgba(0, 88, 163, 0.5), inset 0 2px 4px rgba(255, 255, 255, 0.3);
}

.air-point-number::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, #0058a3, #00a8ff, #0058a3);
    border-radius: 16px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.4s ease;
    filter: blur(8px);
}

.air-point-card:hover .air-point-number::before {
    opacity: 0.6;
}

.air-point-content {
    flex: 1;
}

.air-point-title {
    font-size: 22px;
    font-weight: 800;
    background: linear-gradient(135deg, #1a1a1a 0%, #0058a3 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0 0 14px 0;
    line-height: 1.4;
    transition: all 0.3s ease;
}

.air-point-card:hover .air-point-title {
    background: linear-gradient(135deg, #0058a3 0%, #00a8ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.air-point-desc {
    font-size: 15px;
    color: #64748b;
    line-height: 1.8;
    margin: 0;
    transition: color 0.3s ease;
}

.air-point-card:hover .air-point-desc {
    color: #475569;
}

/* 이미지 섹션 */
.air-purchase-images {
    margin-bottom: 60px;
}

.air-image-card {
    text-align: center;
    position: relative;
    overflow: hidden;
    border-radius: 20px;
}

.air-image {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    margin-bottom: 20px;
    position: relative;
}

.air-image-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 88, 163, 0.1) 0%, rgba(0, 168, 255, 0.1) 100%);
    opacity: 0;
    transition: opacity 0.5s ease;
    border-radius: 20px;
    z-index: 1;
    pointer-events: none;
}

.air-image-card:hover::before {
    opacity: 1;
}

.air-image:hover {
    transform: translateY(-8px) scale(1.03);
    box-shadow: 0 16px 48px rgba(0, 88, 163, 0.3);
}

.air-image-caption {
    font-size: 18px;
    font-weight: 700;
    background: linear-gradient(135deg, #0058a3, #00a8ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
    transition: all 0.3s ease;
    position: relative;
    display: inline-block;
}

.air-image-card:hover .air-image-caption {
    transform: scale(1.05);
}

/* 정보 박스 3개 */
.air-purchase-info {
    margin-bottom: 60px;
}

.air-info-box {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border: 2px solid transparent;
    border-radius: 20px;
    padding: 35px;
    height: 100%;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.air-info-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #0058a3, #00a8ff, #0058a3);
    background-size: 200% auto;
    opacity: 0;
    transition: opacity 0.4s ease;
    animation: topBorderShine 3s linear infinite;
}

@keyframes topBorderShine {
    to {
        background-position: 200% center;
    }
}

.air-info-box:hover {
    border-color: #0058a3;
    box-shadow: 0 12px 40px rgba(0, 88, 163, 0.2), 0 0 0 1px rgba(0, 88, 163, 0.1);
    transform: translateY(-6px);
    background: linear-gradient(135deg, #ffffff 0%, #f0f7ff 100%);
}

.air-info-box:hover::before {
    opacity: 1;
}

.air-info-title {
    font-size: 24px;
    font-weight: 800;
    background: linear-gradient(135deg, #0058a3, #00a8ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0 0 28px 0;
    padding-bottom: 18px;
    border-bottom: 3px solid #e2e8f0;
    position: relative;
    transition: all 0.3s ease;
}

.air-info-title::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, #0058a3, #00a8ff);
    border-radius: 2px;
    transition: width 0.4s ease;
    box-shadow: 0 2px 8px rgba(0, 88, 163, 0.4);
}

.air-info-box:hover .air-info-title::after {
    width: 100%;
}

.air-info-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.air-info-item {
    font-size: 14px;
    line-height: 1.8;
    color: #475569;
}

.air-info-item strong {
    display: block;
    font-size: 15px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 8px;
}

.air-info-item p {
    margin: 0 0 8px 0;
}

.air-info-note {
    font-size: 13px;
    color: #64748b;
    font-style: italic;
    margin-top: 8px !important;
}

.air-process-list {
    margin: 8px 0 0 0;
    padding-left: 20px;
}

.air-process-list li {
    margin-bottom: 12px;
    line-height: 1.7;
}

.air-process-list li:last-child {
    margin-bottom: 0;
}

/* 연락처 정보 */
.air-purchase-contact {
    margin-top: 60px;
}

.air-contact-box {
    background: linear-gradient(135deg, #0058a3 0%, #00a8ff 50%, #0058a3 100%);
    background-size: 200% auto;
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 12px 40px rgba(0, 88, 163, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
    animation: contactGradient 3s linear infinite;
}

@keyframes contactGradient {
    to {
        background-position: 200% center;
    }
}

.air-contact-box::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: contactShine 3s ease-in-out infinite;
}

@keyframes contactShine {
    0%, 100% {
        transform: rotate(0deg);
    }
    50% {
        transform: rotate(180deg);
    }
}

.air-contact-box::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 20px;
    padding: 2px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.3), rgba(255, 255, 255, 0.1));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.air-contact-text {
    font-size: 22px;
    color: #ffffff;
    margin: 0;
    line-height: 1.8;
    position: relative;
    z-index: 1;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.air-contact-text strong,
.air-contact-text .air-contact-company,
.air-contact-text .air-contact-phone {
    font-weight: 900;
    font-size: 26px;
    display: inline-block;
    background: linear-gradient(135deg, #ffffff, #f0f7ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
    position: relative;
    animation: textPulse 2s ease-in-out infinite;
}

.air-contact-text .air-contact-label {
    margin-right: 0.25em;
}

/* PC: 회사명과 전화번호 사이 좌우 여백 */
.air-contact-text .air-contact-company {
    margin-right: 0.6em;
}

.air-contact-text .air-contact-phone {
    margin-left: 0.6em;
}

@keyframes textPulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* 반응형 디자인 - 냉난방기 매입 섹션 */
@media (max-width: 992px) {
    .air-conditioner-purchase-section {
        padding: 60px 0;
    }

    .air-purchase-header {
        margin-bottom: 60px;
    }

    .air-purchase-title {
        font-size: 38px;
    }

    .air-purchase-points {
        margin-bottom: 50px;
    }

    .air-purchase-images {
        margin-bottom: 50px;
    }

    .air-purchase-info {
        margin-bottom: 50px;
    }

    .air-point-card {
        padding: 24px;
    }

    .air-point-number {
        width: 60px;
        height: 60px;
        font-size: 22px;
    }

    .air-point-title {
        font-size: 18px;
    }

    .air-point-desc {
        font-size: 14px;
    }

    .air-info-box {
        padding: 24px;
    }

    .air-info-title {
        font-size: 20px;
    }

    .air-contact-box {
        padding: 24px;
    }

    .air-contact-text {
        font-size: 18px;
    }

    /* 모바일 3줄: 라벨 / 회사명 / 전화번호 */
    .air-contact-text .air-contact-label {
        display: block;
        margin-bottom: 4px;
    }

    .air-contact-text .air-contact-company,
    .air-contact-text .air-contact-phone {
        font-size: 20px;
        display: block;
        margin-top: 6px;
        margin-left: 0;
        margin-right: 0;
    }
}

@media (max-width: 768px) {
    .air-conditioner-purchase-section {
        padding: 40px 0;
    }

    .air-purchase-container {
        padding: 0 15px;
    }

    .air-purchase-header {
        margin-bottom: 40px;
    }

    .air-logo-img {
        max-width: 150px;
    }

    .air-purchase-title {
        font-size: 28px;
    }

    .air-purchase-points {
        margin-bottom: 40px;
    }

    .air-point-card {
        flex-direction: column;
        padding: 20px;
        gap: 16px;
    }

    .air-point-number {
        width: 50px;
        height: 50px;
        font-size: 18px;
    }

    .air-point-title {
        font-size: 17px;
        margin-bottom: 10px;
    }

    .air-point-desc {
        font-size: 14px;
    }

    .air-purchase-images {
        margin-bottom: 40px;
    }

    .air-image-caption {
        font-size: 15px;
    }

    .air-purchase-info {
        margin-bottom: 40px;
    }

    .air-info-box {
        padding: 20px;
        margin-bottom: 20px;
    }

    .air-info-title {
        font-size: 18px;
        margin-bottom: 20px;
        padding-bottom: 12px;
    }

    .air-info-content {
        gap: 20px;
    }

    .air-info-item {
        font-size: 13px;
    }

    .air-info-item strong {
        font-size: 14px;
    }

    .air-info-note {
        font-size: 12px;
    }

    .air-process-list {
        padding-left: 18px;
    }

    .air-process-list li {
        margin-bottom: 10px;
    }

    .air-purchase-contact {
        margin-top: 40px;
    }

    .air-contact-box {
        padding: 20px;
    }

    .air-contact-text {
        font-size: 16px;
    }

    /* 모바일 3줄: 라벨 / 회사명 / 전화번호 */
    .air-contact-text .air-contact-label {
        display: block;
        margin-bottom: 4px;
    }

    .air-contact-text .air-contact-company,
    .air-contact-text .air-contact-phone {
        font-size: 18px;
        display: block;
        margin-top: 6px;
        margin-left: 0;
        margin-right: 0;
    }
}