/* 기본 스타일 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Noto Sans KR', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
    overflow-x: hidden;
    padding-top: 110px;
    /* 헤더 + 공지사항 높이 */
}

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

ul {
    list-style: none;
}

section {
    padding: 80px 20px;
    position: relative;
}

section:nth-child(even) {
    background-color: #ffffff;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    margin-bottom: 20px;
    line-height: 1.4;
}

h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 60px;
    color: #1a1a1a;
    position: relative;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-color: #4CAF50;
    border-radius: 2px;
}

h3 {
    font-size: 1.8rem;
    color: #2c3e50;
    margin-bottom: 20px;
}

p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    color: #4a4a4a;
    line-height: 1.8;
}

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

/* 공지사항 캐러셀 */
.notice-carousel {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 40px;
    z-index: 1001;
    background: #2e7d32;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    font-size: 0.95rem;
}

.notice-container {
    width: 100%;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.notice-item {
    opacity: 0;
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 40px;
    transition: opacity 0.5s;
}

.notice-item.active {
    opacity: 1;
    position: relative;
}

.notice-item i {
    margin-right: 12px;
    display: flex;
    align-items: center;
    color: #a5d6a7;
}

/* 헤더 및 내비게이션 */
header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 40px;
    z-index: 1000;
    /* transform 속성 제거하여 항상 고정 */
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
    padding-right: 40px;
    min-width: 0;
    cursor: pointer;
}

.logo i {
    font-size: 2.4rem;
    color: #2e7d32;
}

.logo h1 {
    font-size: 1.6rem;
    color: #2e7d32;
    margin: 0;
    font-weight: 700;
    letter-spacing: -0.5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.nav-menu {
    display: flex;
    gap: 40px;
    margin: 0;
    padding: 0;
    height: 100%;
    align-items: center;
}

.nav-menu li {
    margin: 0;
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
}

.nav-menu a {
    font-weight: 500;
    font-size: 1rem;
    color: #2c3e50;
    text-decoration: none;
    padding: 8px 0;
    transition: all 0.3s ease;
    display: block;
    position: relative;
    white-space: nowrap;
}

.nav-menu a:hover {
    color: #2e7d32;
}

.nav-menu a.active {
    color: #2e7d32;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #2e7d32;
    transition: width 0.3s ease;
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

.mobile-menu-button {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #333;
    padding: 8px;
    position: relative;
    z-index: 1002;
    border-radius: 4px;
    transition: all 0.3s ease;
    min-width: 40px;
    min-height: 40px;
    align-items: center;
    justify-content: center;
}

/* Font Awesome이 로드되지 않을 경우를 위한 CSS 삼선 아이콘 */
.mobile-menu-button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 2px;
    background-color: #333;
    box-shadow: 0 -6px 0 #333, 0 6px 0 #333;
    transition: all 0.3s ease;
}

.mobile-menu-button svg {
    color: #333;
    display: block;
    position: relative;
    z-index: 1;
}

.mobile-menu-button:hover {
    background-color: rgba(0, 0, 0, 0.05);
    color: #4CAF50;
}

.mobile-menu-button:hover i {
    color: #4CAF50;
}

.mobile-menu-button:hover::before {
    background-color: #4CAF50;
    box-shadow: 0 -6px 0 #4CAF50, 0 6px 0 #4CAF50;
}

.mobile-menu-button:active {
    background-color: rgba(0, 0, 0, 0.1);
}

/* 히어로 섹션 - 캐러셀 */
.hero {
    position: relative;
    overflow: hidden;
    margin-top: -110px;
    height: 600px;
}

.hero-carousel {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 20px;
    text-align: center;
}

.carousel-slide.active {
    opacity: 1;
    z-index: 1;
}

/* 각 슬라이드별 배경색 */
.slide1 {
    background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
    color: #1b5e20;
}

.slide2 {
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    color: #0d47a1;
}

.slide3 {
    background: linear-gradient(135deg, #fff8e1 0%, #ffecb3 100%);
    color: #e65100;
}

.carousel-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg"><path d="M50 0C22.4 0 0 22.4 0 50s22.4 50 50 50 50-22.4 50-50S77.6 0 50 0zm0 90c-22.1 0-40-17.9-40-40s17.9-40 40-40 40 17.9 40 40-17.9 40-40 40z" fill="%234CAF50" fill-opacity="0.1"/></svg>') repeat;
    opacity: 0.5;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin: 0 auto;
    padding: 100px 20px;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 25px;
    animation: fadeInUp 1s ease-out;
}

.hero p {
    font-size: 1.4rem;
    margin-bottom: 30px;
    line-height: 1.6;
    animation: fadeInUp 1s ease-out 0.3s both;
}

/* 네비게이션 버튼 */
.carousel-nav {
    position: absolute;
    bottom: 30px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    z-index: 3;
}

.nav-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.3);
    margin: 0 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.nav-dot.active {
    background: #1b5e20;
    transform: scale(1.3);
}

/* 화살표 네비게이션 */
.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 3;
    font-size: 24px;
    color: #333;
    transition: all 0.3s ease;
}

.carousel-arrow:hover {
    background: rgba(255, 255, 255, 0.9);
}

.arrow-prev {
    left: 20px;
}

.arrow-next {
    right: 20px;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero p {
    font-size: 1.5rem;
    margin-bottom: 40px;
    line-height: 1.6;
    color: #2e7d32;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin-bottom: 50px;
}

.stat-item {
    text-align: center;
    background: rgba(255, 255, 255, 0.95);
    padding: 25px 35px;
    border-radius: 20px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s;
}

.stat-item:hover {
    transform: translateY(-8px);
}

.stat-number {
    font-size: 2.8rem;
    font-weight: 800;
    color: #2e7d32;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 1.2rem;
    color: #1b5e20;
    font-weight: 500;
}

.cta-button {
    display: inline-block;
    background-color: #2e7d32;
    color: white;
    padding: 18px 45px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.3rem;
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 8px 20px rgba(46, 125, 50, 0.3);
}

.cta-button:hover {
    background-color: #1b5e20;
    transform: translateY(-3px);
    box-shadow: 0 12px 25px rgba(46, 125, 50, 0.4);
}

.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    color: #4CAF50;
    z-index: 2;
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateY(0);
    }

    40% {
        transform: translateY(-20px);
    }

    60% {
        transform: translateY(-10px);
    }
}

@media (max-width: 1024px) {
    .hero {
        padding: 100px 20px 80px;
    }

    .hero h1 {
        font-size: 3.2rem;
    }

    .hero p {
        font-size: 1.3rem;
    }

    .hero-stats {
        gap: 30px;
    }

    .stat-item {
        padding: 20px 25px;
    }

    .stat-number {
        font-size: 2.4rem;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 120px 20px 60px;
        /* Adjusted padding-top */
    }

    .hero h1 {
        font-size: 2.5rem;
        margin-bottom: 20px;
    }

    .hero p {
        font-size: 1.1rem;
        margin-bottom: 30px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
        margin-bottom: 40px;
    }

    .stat-item {
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
        padding: 20px;
    }

    .stat-number {
        font-size: 2.2rem;
    }

    .stat-label {
        font-size: 1.1rem;
    }

    .cta-button {
        padding: 15px 35px;
        font-size: 1.1rem;
        width: 90%;
        max-width: 300px;
    }

    .mobile-menu-button {
        display: flex !important;
        margin-left: 10px;
        font-size: 20px;
        padding: 6px;
        min-width: 36px;
        min-height: 36px;
        background-color: rgba(255, 255, 255, 0.9);
        border: 1px solid #e0e0e0;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    }

    .mobile-menu-button::before {
        width: 18px;
        height: 2px;
        box-shadow: 0 -5px 0 #333, 0 5px 0 #333;
    }

    .mobile-menu-button i {
        color: #333;
        font-size: 20px;
        display: block;
    }
}

@media (max-width: 480px) {
    .hero {
        height: 500px;
        margin-top: -90px;
    }

    .hero h1 {
        font-size: 2rem;
        margin-bottom: 15px;
    }

    .hero p {
        font-size: 1rem;
        margin-bottom: 20px;
    }

    .stat-item {
        padding: 15px 20px;
    }

    .stat-number {
        font-size: 1.8rem;
    }

    .stat-label {
        font-size: 0.9rem;
    }

    .cta-button {
        padding: 12px 25px;
        font-size: 1rem;
    }

    .hero-scroll {
        bottom: 20px;
    }

    .mobile-menu-button {
        display: flex !important;
        font-size: 18px;
        padding: 5px;
        min-width: 32px;
        min-height: 32px;
        background-color: rgba(255, 255, 255, 0.95);
        border: 1px solid #d0d0d0;
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
    }

    .mobile-menu-button::before {
        width: 16px;
        height: 2px;
        box-shadow: 0 -4px 0 #333, 0 4px 0 #333;
    }

    .mobile-menu-button i {
        color: #333;
        font-size: 18px;
        display: block;
    }
}

/* 서비스 소개 섹션 */
.features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.feature {
    flex: 1 1 300px;
    text-align: center;
    padding: 40px 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s;
    background: white;
}

.feature:hover {
    transform: translateY(-10px);
}

.feature i {
    color: #2e7d32;
    margin-bottom: 25px;
    font-size: 3.5rem;
}

.feature h3 {
    font-size: 1.6rem;
    margin-bottom: 20px;
    color: #1b5e20;
}

.feature p {
    font-size: 1.1rem;
    color: #4a4a4a;
    line-height: 1.8;
}

/* 파트너혜택 섹션 */
.partner-benefits {
    background-color: #f8f9fa;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.partner-benefits .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.benefit-item {
    background: white;
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: 1px solid #eee;
}

.benefit-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
}

.benefit-number {
    font-size: 3rem;
    font-weight: 800;
    color: #f0f0f0;
    position: absolute;
    top: 10px;
    right: 20px;
    line-height: 1;
    z-index: 0;
}

.benefit-item h3 {
    font-size: 1.6rem;
    color: #1b5e20;
    margin: 20px 0 15px;
    position: relative;
    z-index: 1;
}

.benefit-item p {
    color: #4a4a4a;
    line-height: 1.8;
    font-size: 1.1rem;
    position: relative;
    z-index: 1;
}

@media (max-width: 1024px) {
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
}

@media (max-width: 768px) {
    .partner-benefits {
        padding: 80px 0;
    }

    .benefits-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 40px auto 0;
    }

    .benefit-item {
        padding: 30px 25px;
    }

    .benefit-item h3 {
        font-size: 1.4rem;
    }

    .benefit-number {
        font-size: 2.5rem;
    }
}

/* 수거 프로세스 섹션 */
.process-steps {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 50px;
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
}

.step {
    flex: 1 1 200px;
    text-align: center;
    position: relative;
}

.step-number {
    background-color: #4CAF50;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 15px;
    font-weight: bold;
    position: relative;
    z-index: 1;
}

.process-steps::after {
    content: '';
    position: absolute;
    width: 80%;
    height: 2px;
    background-color: #e0e0e0;
    top: 20px;
    z-index: 0;
}

.step i {
    color: #4CAF50;
    margin: 15px 0;
}

/* 문의하기 섹션 */
.contact {
    background-color: #f8f9fa;
    padding: 100px 20px;
}

.contact h2 {
    color: #1b5e20;
    margin-bottom: 50px;
    position: relative;
}

.contact h2::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -15px;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-color: #4CAF50;
    border-radius: 2px;
}

.contact-form {
    max-width: 800px;
    margin: 0 auto;
    display: grid;
    gap: 25px;
    padding: 40px;
    background-color: #ffffff;
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.contact-form input,
.contact-form textarea,
.contact-form select {
    padding: 18px 25px;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    font-family: inherit;
    font-size: 1.1rem;
    width: 100%;
    box-sizing: border-box;
    transition: all 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus,
.contact-form select:focus {
    border-color: #2e7d32;
    box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.1);
    outline: none;
}

.contact-form textarea {
    min-height: 200px;
    resize: vertical;
}

.application-form button {
    background-color: #4CAF50;
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: background-color 0.3s;
    width: 100%;
    margin-top: 20px;
}

.terms-agreement {
    margin: 25px 0;
    border: 1px solid #e0e0e0;
    padding: 20px;
    border-radius: 8px;
    background-color: #f9f9f9;
}

.checkbox-group {
    margin-bottom: 12px;
    display: flex;
    align-items: flex-start;
    position: relative;
    padding-left: 30px;
}

.checkbox-group:last-child {
    margin-bottom: 0;
}

.checkbox-group input[type="checkbox"] {
    position: absolute;
    left: 0;
    top: 2px;
    width: 20px;
    height: 20px;
    cursor: pointer;
    margin: 0;
    opacity: 0.8;
}

.checkbox-group label {
    font-size: 0.95rem;
    color: #444;
    cursor: pointer;
    display: inline-block;
    line-height: 1.5;
    margin: 0;
    padding: 0;
}

.checkbox-group label a {
    color: #2e7d32;
    text-decoration: none;
    font-weight: 600;
    margin: 0 3px;
    position: relative;
    transition: color 0.2s;
}

.checkbox-group label a:hover {
    color: #1b5e20;
    text-decoration: underline;
}

.checkbox-group label a::after {
    content: ' ↗';
    font-size: 0.8em;
    opacity: 0.7;
}

.submit-button {
    background-color: #2e7d32;
    color: white;
    border: none;
    padding: 18px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
}

.submit-button:hover {
    background-color: #1b5e20;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(46, 125, 50, 0.3);
}

/* 푸터 */
footer {
    background-color: #1a1a1a;
    color: #ffffff;
    padding: 60px 20px 30px;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 40px;
}

.footer-info {
    flex: 1;
    margin-right: 40px;
}

.footer-info h3 {
    font-size: 1.8rem;
    color: #fff;
    margin-bottom: 20px;
}

.footer-info p {
    color: #bdc3c7;
    line-height: 1.6;
    margin-bottom: 15px;
}

.footer-contact {
    margin: 20px 0;
    padding: 20px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-contact p {
    display: flex;
    align-items: center;
    margin-bottom: 12px;
    color: #ecf0f1;
}

.footer-contact i {
    width: 24px;
    color: #4CAF50;
    margin-right: 12px;
    text-align: center;
    font-size: 1.1rem;
}

.footer-links {
    margin-right: 40px;
}

.footer-links:last-child {
    margin-right: 0;
}

.footer-links h3 {
    font-size: 1.3rem;
    color: #fff;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-links h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 2px;
    background-color: #4CAF50;
}

.footer-links a {
    display: block;
    color: #bdc3c7;
    margin-bottom: 10px;
    transition: color 0.3s;
    padding: 5px 0;
}

.footer-links a:hover {
    color: #4CAF50;
    padding-left: 5px;
}

.copyright {
    text-align: center;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #808080;
    font-size: 0.9rem;
}

/* 우측 하단 고정 버튼 */
.floating-buttons {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
    display: flex;
    flex-direction: column;
}

.floating-button {
    background-color: #4CAF50;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin-bottom: 10px;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    transition: all 0.3s;
    opacity: 0;
    visibility: hidden;
}

.floating-button:hover {
    background-color: #45a049;
    transform: translateY(-5px);
}

.floating-button span {
    font-size: 12px;
    margin-top: 3px;
}

/* 성공 사례 섹션 스타일 */
.success-stories,
.business-model,
.faq,
.service-areas,
.support,
.impact,
.system,
.partners {
    padding: 60px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.testimonials {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.testimonial-card {
    display: flex;
    flex-direction: column;
    background-color: #f9f9f9;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

.testimonial-card:hover {
    transform: translateY(-5px);
}

.testimonial-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.testimonial-content {
    padding: 20px;
}

.rating {
    color: #FFD700;
    margin: 10px 0;
}

.read-more {
    color: #4CAF50;
    text-decoration: none;
    font-weight: bold;
    display: inline-block;
    margin-top: 10px;
}

/* 비디오 컨테이너 */
.video-container {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 8px;
    margin: 20px 0;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* 비즈니스 모델 섹션 스타일 */
.business-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.revenue-item {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.revenue-item i {
    color: #4CAF50;
    margin-right: 15px;
}

.cost-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

.cost-table th,
.cost-table td {
    border: 1px solid #ddd;
    padding: 12px;
    text-align: left;
}

.cost-table th {
    background-color: #f2f2f2;
}

.roi-projection {
    margin-top: 20px;
}

.roi-graph {
    display: flex;
    margin: 20px 0;
}

.graph-bar {
    height: 40px;
    background-color: #4CAF50;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 2px;
}

/* FAQ 아코디언 스타일 */
.accordion-item {
    margin-bottom: 10px;
    border: 1px solid #e0e0e0;
    border-radius: 5px;
    overflow: hidden;
}

.accordion-button {
    width: 100%;
    background-color: #f9f9f9;
    border: none;
    text-align: left;
    padding: 15px 20px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.accordion-button:hover {
    background-color: #f0f0f0;
}

.accordion-content {
    display: none;
    padding: 15px 20px;
    border-top: 1px solid #e0e0e0;
}

.accordion-item.active .accordion-content {
    display: block;
}

.accordion-item.active .accordion-button i {
    transform: rotate(180deg);
}

/* 지도 컨테이너 스타일 */
.map-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 30px 0;
}

#korea-map {
    width: 100%;
    max-width: 600px;
    position: relative;
}

#korea-map img {
    width: 100%;
    height: auto;
}

.map-legend {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 20px;
}

.legend-item {
    display: flex;
    align-items: center;
    margin: 0 10px 10px;
}

.color-box {
    width: 20px;
    height: 20px;
    margin-right: 8px;
    border-radius: 4px;
}

.color-box.available {
    background-color: #4CAF50;
}

.color-box.partial {
    background-color: #FFC107;
}

.color-box.sold {
    background-color: #F44336;
}

.status-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.progress-bar {
    width: 100%;
    background-color: #e0e0e0;
    border-radius: 5px;
    margin: 10px 0;
}

.progress {
    height: 20px;
    background-color: #4CAF50;
    border-radius: 5px;
    color: white;
    text-align: center;
    line-height: 20px;
    font-size: 14px;
}

/* 지원 프로그램 스타일 */
.support-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.support-item {
    background-color: #f9f9f9;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
}

.support-item:hover {
    transform: translateY(-5px);
}

.support-item i {
    color: #4CAF50;
    margin-bottom: 15px;
}

.support-item ul {
    list-style: disc;
    margin-left: 20px;
    margin-top: 10px;
}

/* 환경 영향 데이터 섹션 */
.impact-stats {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
}

.stat-card {
    flex: 1;
    min-width: 200px;
    max-width: 250px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    padding: 25px 15px;
    text-align: center;
}

.stat-card i {
    color: #4CAF50;
    margin-bottom: 15px;
}

.stat-card h3 {
    font-size: 2rem;
    margin-bottom: 5px;
    color: #333;
}

.impact-chart {
    margin: 40px 0;
    text-align: center;
}

.impact-story {
    background-color: #f9f9f9;
    padding: 30px;
    border-radius: 8px;
    margin-top: 40px;
}

.impact-more {
    display: inline-block;
    margin-top: 15px;
    color: #4CAF50;
    font-weight: 500;
}

/* 시스템 섹션 스타일 */
.system-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 40px;
    margin-bottom: 40px;
}

.system-showcase {
    flex: 1;
    min-width: 300px;
}

.system-image {
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.system-features {
    flex: 1;
    min-width: 300px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.system-feature {
    text-align: center;
    padding: 20px;
}

/* 교육 지원 프로그램 섹션 스타일 */
.education-section {
    padding: 80px 0;
    background-color: #fff;
}

.education-section .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-subtitle {
    text-align: center;
    color: #666;
    margin-bottom: 50px;
    font-size: 1.1rem;
}

.education-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-bottom: 40px;
}

.education-card {
    background: #fff;
    border-radius: 12px;
    padding: 35px 25px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid #eee;
    position: relative;
    overflow: hidden;
}

.education-card.highlight {
    transform: translateY(-10px);
    border: 2px solid #4CAF50;
}

.education-card.highlight .card-icon {
    background: #4CAF50;
    color: #fff;
}

.card-icon {
    width: 70px;
    height: 70px;
    background: #f5f5f5;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 28px;
    color: #4CAF50;
    transition: all 0.3s ease;
}

.education-card h3 {
    text-align: center;
    color: #333;
    margin-bottom: 20px;
    font-size: 1.4rem;
}

.education-card ul {
    padding-left: 20px;
    list-style: none;
}

.education-card ul li {
    position: relative;
    padding: 8px 0 8px 30px;
    color: #555;
    line-height: 1.5;
}

.education-card ul li:before {
    content: '✓';
    color: #4CAF50;
    position: absolute;
    left: 0;
    font-weight: bold;
}

.education-features {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 30px;
}

.feature-item {
    display: flex;
    align-items: center;
    background: #f9f9f9;
    padding: 10px 20px;
    border-radius: 30px;
    font-size: 0.95rem;
    color: #444;
}

.feature-item i {
    color: #4CAF50;
    margin-right: 8px;
    font-size: 1.1rem;
}

@media (max-width: 992px) {
    .education-grid {
        grid-template-columns: 1fr 1fr;
    }

    .education-card.highlight {
        order: -1;
        grid-column: 1 / -1;
        max-width: 500px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    body {
        padding-top: 110px;
        /* 헤더 높이 + 공지사항 높이 */
    }

    header {
        top: 40px;
        /* 공지사항 높이만큼 아래로 */
    }

    nav {
        height: 70px;
        padding: 10px 15px;
    }

    .logo {
        padding-right: 0;
    }

    .logo h1 {
        font-size: 1.2rem;
    }

    .mobile-menu-button {
        display: flex !important;
        margin-left: 10px;
        font-size: 20px;
        padding: 6px;
        min-width: 36px;
        min-height: 36px;
        background-color: rgba(255, 255, 255, 0.9);
        border: 1px solid #e0e0e0;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    }

    .mobile-menu-button::before {
        width: 18px;
        height: 2px;
        box-shadow: 0 -5px 0 #333, 0 5px 0 #333;
    }

    .mobile-menu-button i {
        color: #333;
        font-size: 20px;
        display: block;
    }

    .nav-menu {
        position: fixed;
        flex-direction: column;
        background-color: white;
        top: 110px;
        /* 헤더 높이 + 공지사항 높이 */
        left: 0;
        width: 100%;
        height: 0;
        overflow: hidden;
        transition: height 0.3s ease;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        gap: 0;
        align-items: stretch;
        z-index: 8000;
    }

    .nav-menu.active {
        height: calc(100vh - 110px);
        padding: 20px 0;
        overflow-y: auto;
    }

    .nav-menu li {
        width: 100%;
        text-align: center;
        height: auto;
    }

    .nav-menu a {
        padding: 15px 20px;
        border-bottom: 1px solid #f0f0f0;
        font-size: 1rem;
    }

    .nav-menu a::after {
        display: none;
    }
}

/* Dropdown styles */
.nav-menu .has-dropdown {
    position: relative;
}

.nav-menu .dropdown {
    display: none;
    position: absolute;
    left: 0;
    top: 100%;
    background: #fff;
    min-width: 160px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    border-radius: 6px;
    z-index: 999;
    padding: 8px 0;
}

.nav-menu .dropdown li {
    width: 100%;
    text-align: left;
}

.nav-menu .dropdown a {
    padding: 10px 20px;
    color: #333;
    font-size: 0.95rem;
    display: block;
    border-bottom: none;
}

.nav-menu .dropdown a:hover {
    background: #f5f5f5;
    color: #4CAF50;
}

/* Desktop hover */
@media (min-width: 769px) {
    .nav-menu .has-dropdown:hover>.dropdown {
        display: block;
    }
}

/* Mobile accordion */
@media (max-width: 768px) {
    .nav-menu {
        flex-direction: column;
    }

    .nav-menu .has-dropdown .dropdown {
        position: static;
        box-shadow: none;
        background: #fafafa;
        border-radius: 0;
        padding: 0;
    }

    .nav-menu .has-dropdown.open .dropdown {
        display: block;
    }

    .nav-menu .dropdown-toggle {
        width: 100%;
        text-align: left;
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 15px 20px;
    }
}

/* 반응형 조정 */
@media (max-width: 600px) {
    .contact-form {
        padding: 20px;
        gap: 15px;
    }

    .contact h2 {
        margin-bottom: 40px;
    }
}

/* 파트너 신청 섹션 스타일 */
.partner-application {
    background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
    padding: 100px 20px;
    position: relative;
    overflow: hidden;
}

.partner-application::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg"><path d="M50 0C22.4 0 0 22.4 0 50s22.4 50 50 50 50-22.4 50-50S77.6 0 50 0zm0 90c-22.1 0-40-17.9-40-40s17.9-40 40-40 40 17.9 40 40-17.9 40-40 40z" fill="%234CAF50" fill-opacity="0.1"/></svg>') repeat;
    opacity: 0.5;
    z-index: 1;
}

.application-container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.application-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.application-info {
    color: #1b5e20;
}

.application-info h2 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    color: #1b5e20;
    text-align: left;
}

.application-info h2::after {
    left: 0;
    transform: none;
}

.application-info p {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 30px;
    color: #2e7d32;
}

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

.step-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    background: rgba(255, 255, 255, 0.9);
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.step-item:hover {
    transform: translateY(-5px);
}

.step-number {
    background: #4CAF50;
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    flex-shrink: 0;
}

.step-content h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: #1b5e20;
}

.step-content p {
    font-size: 1rem;
    color: #4a4a4a;
    margin: 0;
}

.application-form {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.application-form h3 {
    font-size: 1.8rem;
    color: #1b5e20;
    margin-bottom: 30px;
    text-align: center;
}

.application-form input,
.application-form textarea {
    width: 100%;
    padding: 15px;
    margin-bottom: 20px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.application-form input:focus,
.application-form textarea:focus {
    border-color: #4CAF50;
    outline: none;
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.1);
}

.application-form textarea {
    height: 150px;
    resize: vertical;
}

.application-form button {
    width: 100%;
    padding: 15px;
    background: #4CAF50;
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.application-form button:hover {
    background: #45a049;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(76, 175, 80, 0.3);
}

@media (max-width: 1024px) {
    .application-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .application-info h2 {
        text-align: center;
    }

    .application-info h2::after {
        left: 50%;
        transform: translateX(-50%);
    }
}

@media (max-width: 768px) {
    .partner-application {
        padding: 80px 20px;
    }

    .application-info h2 {
        font-size: 2rem;
    }

    .application-form {
        padding: 30px;
    }
}

@media (max-width: 480px) {
    .partner-application {
        padding: 60px 15px;
    }

    .application-info h2 {
        font-size: 1.8rem;
    }

    .application-form {
        padding: 20px;
    }

    .step-item {
        padding: 15px;
    }
}