/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans KR', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

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

.nav-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: #19AB6E;
}

.nav-icon {
    width: 32px;
    height: 32px;
    margin-right: 0.5rem;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: #19AB6E;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #F5F8CE 0%, #E5FAFB 100%);
    color: #333;
    padding: 120px 0 2rem 0;
    position: relative;
}

/* Hero 섹션의 language-switcher 특별 스타일 */
.hero .language-switcher {
    margin-bottom: 2rem;
}

.hero .lang-btn {
    background: rgba(255, 255, 255, 0.95);
    color: #333;
    border: 2px solid rgba(25, 171, 110, 0.4);
    font-weight: 600;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

.hero .lang-btn:hover {
    background: rgba(255, 255, 255, 1);
    border-color: rgba(25, 171, 110, 0.7);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
}

.hero .lang-btn.active {
    background: #19AB6E;
    color: white;
    border-color: #19AB6E;
    box-shadow: 0 5px 15px rgba(25, 171, 110, 0.4);
}

.hero-container {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    z-index: 2;
    position: relative;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 1200px;
    position: relative;
}

.hero-main-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    margin-top: 2rem;
    gap: 2rem;
    max-width: 100%;
    overflow: hidden;
}

.hero-text {
    text-align: center;
    margin: 2rem 0;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.3;
    margin: 2rem 0 1.5rem 0;
    color: #1a202c;
}

.gradient-text {
    color: #19AB6E;
    font-weight: 600;
    text-shadow: none;
}

.hero-description {
    font-size: 1.2rem;
    margin: 1.5rem 0 2rem 0;
    opacity: 1;
    color: #2d3748;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn-primary {
    background: #19AB6E;
    color: white;
}

.btn-primary:hover {
    background: #1B7852;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(25, 171, 110, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #333;
    border-color: #333;
}

.btn-secondary:hover {
    background: #333;
    color: white;
    transform: translateY(-2px);
}

.btn.disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

.btn.disabled:hover {
    transform: none;
    background: transparent;
    color: #333;
    border-color: #333;
}

.hero-images-container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    gap: 2rem;
    margin-bottom: 2rem;
    max-width: 100%;
    overflow: hidden;
}

.hero-image-left,
.hero-image-right {
    display: flex;
    justify-content: center;
    align-items: center;
    flex: 1;
    max-width: 400px;
}

.hero-app-image {
    height: 45vh;
    width: 100%;
    object-fit: contain;
    object-position: top;
    margin: 0;
    max-width: 100%;
}



/* Features Section */
.features {
    padding: 5rem 0;
    background: #f8fafc;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: #1e293b;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #19AB6E 0%, #1B7852 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.feature-icon i {
    font-size: 2rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1e293b;
}

.feature-card p {
    color: #64748b;
    line-height: 1.6;
}

/* Download Section */
.download {
    padding: 5rem 0;
    background: linear-gradient(135deg, #F5F8CE 0%, #E5FAFB 100%);
    color: #333;
    text-align: center;
}

.download-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.download-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

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

.download-btn:hover {
    transform: scale(1.05);
}

.download-btn img {
    height: 60px;
    width: auto;
    display: block;
    object-fit: contain;
}

/* Google Play 이미지의 여백 제거 */
.download-btn img[alt="Google Play"] {
    height: 80px;
    margin: 0;
    padding: 0;
}

.download-btn img[alt="App Store"] {
    height: 64px;
    margin: 8px;
    padding: 0;
}

.download-btn {
    display: inline-block;
    height: 60px;
    line-height: 60px;
    text-align: center;
    padding: 0;
    margin: 0;
    vertical-align: top;
}

.download-btn.disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
    position: relative;
    height: 60px;
    line-height: 60px;
    padding: 0;
    margin: 0;
}

.download-btn.disabled:hover {
    transform: none;
}

.coming-soon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    white-space: nowrap;
    z-index: 1;
}

/* About Section */
.about {
    padding: 5rem 0;
    background: white;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #1e293b;
}

.about-text p {
    font-size: 1.1rem;
    color: #64748b;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.tech-stack h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1e293b;
}

.tech-items {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-item {
    background: #f1f5f9;
    color: #475569;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: #f8fafc;
    border-radius: 20px;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: #589196;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.1rem;
    color: #64748b;
    font-weight: 500;
}

/* Contact Section */
.contact {
    padding: 5rem 0;
    background: linear-gradient(135deg, #F5F8CE 0%, #E5FAFB 100%);
    text-align: center;
}

.contact h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #19AB6E;
}

.contact p {
    font-size: 1.2rem;
    color: #64748b;
    margin-bottom: 2rem;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
    color: #19AB6E;
}

.contact-item i {
    color: #19AB6E;
    font-size: 1.3rem;
}

.contact-item a {
    color: #19AB6E;
    text-decoration: none;
    transition: color 0.3s ease;
    font-weight: 500;
}

.contact-item a:hover {
    color: #1B7852;
    text-decoration: underline;
}

/* Footer */
.footer {
    background: #1B7852;
    color: white;
    padding: 3rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    color: #F5F8CE;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.footer-section h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
}

.footer-icon {
    width: 24px;
    height: 24px;
    margin-right: 0.5rem;
    object-fit: contain;
    vertical-align: middle;
}

.footer-section p {
    opacity: 0.8;
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-section ul li a:hover {
    opacity: 1;
    color: #F5F8CE;
}

.footer-section a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-section a:hover {
    opacity: 1;
    color: #F5F8CE;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(245, 248, 206, 0.3);
}

.footer-bottom p {
    opacity: 0.8;
    margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }

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

    .hero-main-content {
        gap: 1.5rem;
    }

    .hero-text {
        text-align: center;
        padding: 0 1rem;
        width: 100%;
        margin: 1.5rem 0;
    }

    .hero-images-container {
        gap: 1rem;
        margin-bottom: 1.5rem;
    }

    .hero-image-left,
    .hero-image-right {
        width: 45%;
    }

    .hero-app-image {
        height: 50vh;
        width: 100%;
        object-fit: contain;
    }

    .language-switcher {
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
    }

    .lang-btn {
        width: 200px;
        justify-content: center;
    }

    .hero-title {
        font-size: 2.5rem;
        margin: 1.5rem 0 1rem 0;
    }

    .hero-buttons {
        justify-content: center;
    }

    .phone-mockup {
        width: 250px;
        height: 500px;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-stats {
        flex-direction: row;
        justify-content: center;
    }

    .stat-item {
        flex: 1;
        max-width: 150px;
    }

    .contact-info {
        flex-direction: column;
        gap: 1rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .download-buttons {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .hero-main-content {
        gap: 0.5rem;
    }

    .hero-main-content {
        gap: 1rem;
    }

    .hero-images-container {
        gap: 0.5rem;
    }

    .hero-image-left,
    .hero-image-right {
        width: 45%;
    }

    .hero-text {
        padding: 0 0.5rem;
        margin: 1rem 0;
    }

    .hero-title {
        font-size: 1.8rem;
        line-height: 1.3;
        margin: 1rem 0 0.75rem 0;
    }

    .hero-description {
        font-size: 1rem;
        margin: 0.75rem 0 1rem 0;
    }

    .hero-app-image {
        height: 35vh;
        max-width: 100%;
    }

    .section-title {
        font-size: 2rem;
    }

    .about-text h2 {
        font-size: 2rem;
    }

    .contact h2 {
        font-size: 2rem;
    }

    .phone-mockup {
        width: 200px;
        height: 400px;
    }

    .number {
        width: 30px;
        height: 30px;
        font-size: 1rem;
    }
}

@media (max-width: 320px) {
    .hero-main-content {
        gap: 0.25rem;
    }

    .hero-main-content {
        gap: 0.75rem;
    }

    .hero-images-container {
        gap: 0.25rem;
        margin-bottom: 0.75rem;
    }

    .hero-image-left,
    .hero-image-right {
        width: 45%;
    }

    .hero-text {
        padding: 0 0.25rem;
        margin: 0.75rem 0;
    }

    .hero-title {
        font-size: 1.5rem;
        line-height: 1.2;
        margin: 0.75rem 0 0.5rem 0;
    }

    .hero-description {
        font-size: 0.9rem;
        margin: 0.5rem 0 0.75rem 0;
    }

    .hero-app-image {
        height: 30vh;
        max-width: 100%;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 0.5rem;
    }

    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }
}

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

.feature-card {
    animation: fadeInUp 0.6s ease forwards;
}

.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.3s; }
.feature-card:nth-child(4) { animation-delay: 0.4s; }
.feature-card:nth-child(5) { animation-delay: 0.5s; }
.feature-card:nth-child(6) { animation-delay: 0.6s; }

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Privacy Policy Page Styles */
.privacy-header {
    background: linear-gradient(135deg, #F5F8CE 0%, #E5FAFB 100%);
    color: #333;
    padding: 120px 0 80px;
    text-align: center;
}

.language-switcher {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.9);
    color: #333;
    border: 2px solid rgba(25, 171, 110, 0.3);
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.lang-btn:hover {
    background: rgba(255, 255, 255, 1);
    border-color: rgba(25, 171, 110, 0.6);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.lang-btn.active {
    background: #19AB6E;
    color: white;
    border-color: #19AB6E;
    box-shadow: 0 4px 15px rgba(25, 171, 110, 0.4);
}

.lang-btn i {
    font-size: 1rem;
}

.privacy-header-content {
    max-width: 800px;
    margin: 0 auto;
}

.privacy-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.privacy-title i {
    font-size: 2.5rem;
    color: #19AB6E;
}

.privacy-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.6;
}

.privacy-meta {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.meta-item i {
    color: #19AB6E;
}

.privacy-content {
    padding: 80px 0;
    background: #f8fafc;
}

.privacy-wrapper {
    max-width: 1000px;
    margin: 0 auto;
}

.privacy-section {
    background: white;
    border-radius: 15px;
    padding: 3rem;
    margin-bottom: 3rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: opacity 0.3s ease;
}

.privacy-section .section-title {
    color: #19AB6E;
    margin-bottom: 2rem;
    font-size: 2rem;
    border-bottom: 3px solid #19AB6E;
    padding-bottom: 1rem;
}

.policy-item {
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid #e2e8f0;
}

.policy-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.policy-item h3 {
    color: #2d3748;
    font-size: 1.3rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.policy-item h3 i {
    color: #19AB6E;
    font-size: 1.1rem;
}

.policy-item p {
    margin-bottom: 1rem;
    line-height: 1.7;
    color: #4a5568;
}

.policy-item ul {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

.policy-item li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
    color: #4a5568;
}

.info-box {
    background: #f7fafc;
    border-left: 4px solid #19AB6E;
    padding: 1.5rem;
    margin: 1.5rem 0;
    border-radius: 0 8px 8px 0;
}

.info-box h4 {
    color: #2d3748;
    font-size: 1.1rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.info-box h4 i {
    color: #19AB6E;
}

.info-box p {
    margin-bottom: 0.5rem;
}

.info-box ul {
    margin-left: 1rem;
}

.link-box {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1.5rem;
}

.external-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: #19AB6E;
    text-decoration: none;
    padding: 0.75rem 1rem;
    background: rgba(25, 171, 110, 0.1);
    border-radius: 8px;
    transition: all 0.3s ease;
    border: 1px solid #e0e7ff;
}

.external-link:hover {
    background: #19AB6E;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(25, 171, 110, 0.3);
}

.contact-box {
    background: rgba(25, 171, 110, 0.05);
    border: 1px solid rgba(25, 171, 110, 0.2);
    border-radius: 12px;
    padding: 2rem;
    margin-top: 1rem;
}

.contact-note {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #bae6fd;
    font-style: italic;
    color: #64748b;
}

/* Responsive Design for Privacy Page */
@media (max-width: 768px) {
    .privacy-header {
        padding: 100px 0 60px;
    }

    .language-switcher {
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
    }

    .lang-btn {
        width: 200px;
        justify-content: center;
    }

    .privacy-title {
        font-size: 2.5rem;
        flex-direction: column;
        gap: 0.5rem;
    }

    .privacy-title i {
        font-size: 2rem;
    }

    .privacy-meta {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

    .privacy-content {
        padding: 60px 0;
    }

    .privacy-section {
        padding: 2rem;
        margin-bottom: 2rem;
    }

    .policy-item h3 {
        font-size: 1.2rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .info-box {
        padding: 1rem;
    }

    .contact-box {
        padding: 1.5rem;
    }

    .contact-item {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .privacy-title {
        font-size: 2rem;
    }

    .privacy-subtitle {
        font-size: 1rem;
    }

    .lang-btn {
        width: 180px;
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }

    .privacy-section {
        padding: 1.5rem;
    }

    .policy-item h3 {
        font-size: 1.1rem;
    }

    .info-box {
        padding: 0.75rem;
    }

    .contact-box {
        padding: 1rem;
    }
}