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

body {
    font-family: 'Noto Sans KR', sans-serif;
    background-color: #0a0a0a;
    color: #ffffff;
    line-height: 1.6;
}

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

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)),
                url('https://images.unsplash.com/photo-1517841905240-472988babdf9?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
}

.hero-content {
    z-index: 2;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 2rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    animation: fadeIn 1.5s ease-in-out;
}

.phone-btn {
    display: inline-flex;
    align-items: center;
    background-color: #ff3366;
    color: white;
    padding: 1rem 2rem;
    border-radius: 30px;
    text-decoration: none;
    font-size: 1.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 51, 102, 0.4);
}

.phone-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 51, 102, 0.6);
}

.phone-btn i {
    margin-right: 10px;
}

/* Introduction Section */
.intro {
    padding: 6rem 0;
    background-color: #1a1a1a;
}

.intro h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #ff3366;
    text-align: center;
}

.intro-content {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

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

.intro-text p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: #cccccc;
    line-height: 1.8;
}

.feature-list {
    list-style: none;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: #ffffff;
    font-size: 1.1rem;
    padding: 1rem 1.5rem;
    background-color: rgba(255, 51, 102, 0.1);
    border-radius: 30px;
    transition: all 0.3s ease;
}

.feature-list li:hover {
    background-color: rgba(255, 51, 102, 0.2);
    transform: translateY(-3px);
}

.feature-list i {
    color: #ff3366;
    font-size: 1.2rem;
}

.chat-example {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* CTA Section */
.cta {
    padding: 5rem 0;
    background-color: #0a0a0a;
    text-align: center;
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    max-width: 400px;
    margin: 0 auto;
}

.cta-btn, .info-btn {
    display: inline-block;
    padding: 1.2rem 3rem;
    border-radius: 30px;
    text-decoration: none;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    width: 100%;
    text-align: center;
}

.cta-btn {
    background: linear-gradient(45deg, #ff3366, #ff1a4d);
    color: white;
    box-shadow: 0 4px 15px rgba(255, 51, 102, 0.3);
}

.cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 51, 102, 0.4);
}

.info-btn {
    background-color: transparent;
    color: #ff3366;
    border: 2px solid #ff3366;
}

.info-btn:hover {
    background-color: rgba(255, 51, 102, 0.1);
    transform: translateY(-3px);
}

/* Footer */
footer {
    background-color: #1a1a1a;
    padding: 2rem 0;
    text-align: center;
}

footer p {
    margin: 0.5rem 0;
    color: #888888;
}

.visitor-count {
    color: #ff3366;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .phone-btn {
        font-size: 1.2rem;
        padding: 0.8rem 1.5rem;
    }
    
    .intro {
        padding: 4rem 0;
    }

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

    .feature-list {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

    .feature-list li {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }

    .cta-buttons {
        padding: 0 1rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .intro h2 {
        font-size: 1.8rem;
    }

    .intro-text p {
        font-size: 1.1rem;
    }

    .feature-list li {
        font-size: 1rem;
        padding: 0.8rem 1.2rem;
    }

    .cta-btn, .info-btn {
        padding: 1rem 2rem;
        font-size: 1.1rem;
    }
}

/* FAQ Section */
.faq {
    padding: 5rem 0;
    background-color: #1a1a1a;
}

.faq h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #ff3366;
    text-align: center;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 1rem;
    border: 1px solid #333;
    border-radius: 10px;
    overflow: hidden;
}

.faq-question {
    padding: 1.5rem;
    background-color: #2a2a2a;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s ease;
}

.faq-question:hover {
    background-color: #333;
}

.faq-question h3 {
    font-size: 1.2rem;
    color: #ffffff;
    margin: 0;
}

.faq-toggle {
    font-size: 1.5rem;
    color: #ff3366;
    transition: transform 0.3s ease;
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    background-color: #1a1a1a;
}

.faq-item.active .faq-answer {
    padding: 1.5rem;
    max-height: 500px;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer p {
    color: #cccccc;
    line-height: 1.6;
    margin: 0;
}

/* Responsive Design for FAQ */
@media (max-width: 768px) {
    .faq h2 {
        font-size: 2rem;
    }
    
    .faq-question h3 {
        font-size: 1.1rem;
    }
    
    .faq-container {
        padding: 0 1rem;
    }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(10, 10, 10, 0.95);
    padding: 1rem 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    color: #ff3366;
    text-shadow: 0 0 10px rgba(255, 51, 102, 0.3);
    letter-spacing: 1px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.logo:hover {
    color: #ff1a4d;
    text-shadow: 0 0 15px rgba(255, 51, 102, 0.5);
    transform: scale(1.05);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-links a {
    color: #ffffff;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
}

.nav-links a:not(.nav-phone)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #ff3366;
    transition: width 0.3s ease;
}

.nav-links a:not(.nav-phone):hover::after {
    width: 100%;
}

.nav-links a:hover {
    color: #ff3366;
}

.nav-phone {
    background: linear-gradient(45deg, #ff3366, #ff1a4d);
    padding: 0.7rem 1.5rem;
    border-radius: 30px;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(255, 51, 102, 0.3);
    transition: all 0.3s ease;
}

.nav-phone:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 51, 102, 0.4);
    background: linear-gradient(45deg, #ff1a4d, #ff3366);
}

.nav-phone i {
    font-size: 1.2rem;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: #ffffff;
    margin: 5px 0;
    transition: all 0.3s ease;
}

/* Pulse Animation */
@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(255, 51, 102, 0.7);
    }
    70% {
        transform: scale(1.05);
        box-shadow: 0 0 0 10px rgba(255, 51, 102, 0);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(255, 51, 102, 0);
    }
}

.pulse {
    animation: pulse 2s infinite;
}

/* Footer Content */
.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-info {
    flex: 1;
}

.footer-contact {
    text-align: right;
}

.footer-contact p {
    margin: 0.5rem 0;
    color: #ff3366;
}

/* Responsive Design for Navigation */
@media (max-width: 768px) {
    .navbar .container {
        padding: 0 1rem;
    }

    .mobile-menu-btn {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background-color: rgba(10, 10, 10, 0.98);
        flex-direction: column;
        justify-content: center;
        padding: 2rem;
        transition: right 0.3s ease;
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.3);
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links a {
        font-size: 1.2rem;
        padding: 1rem 0;
        width: 100%;
        text-align: center;
    }

    .nav-phone {
        width: 100%;
        justify-content: center;
        margin-top: 1rem;
    }

    /* Mobile menu button animation */
    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 1.5rem;
    }

    .nav-links {
        width: 100%;
    }
}