:root {
    --primary-color: #fce4ec;
    --secondary-color: #e3f2fd;
    --accent-color: #f06292;
    --text-color: #444;
    --bg-color: #ffffff;
    --card-bg: #f8f9fa;
    --footer-bg: #f1f1f1;
    --nav-bg: rgba(255, 255, 255, 0.9);
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    --btn-text: #fff;
}

body.dark-mode {
    --primary-color: #311b92;
    --secondary-color: #1a237e;
    --accent-color: #ba68c8;
    --text-color: #e0e0e0;
    --bg-color: #121212;
    --card-bg: #1e1e1e;
    --footer-bg: #1a1a1a;
    --nav-bg: rgba(18, 18, 18, 0.9);
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    transition: background-color 0.3s, color 0.3s;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navbar */
header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--nav-bg);
    backdrop-filter: blur(5px);
    box-shadow: var(--shadow);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    max-width: 1000px;
    margin: 0 auto;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--accent-color);
}

#theme-btn {
    padding: 8px 16px;
    border-radius: 20px;
    border: 1px solid var(--accent-color);
    background: transparent;
    color: var(--accent-color);
    cursor: pointer;
    font-size: 0.9rem;
    transition: 0.3s;
}

#theme-btn:hover {
    background-color: var(--accent-color);
    color: var(--btn-text);
}

/* Hero Section */
.hero {
    padding: 120px 0;
    text-align: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.hero h1 {
    font-size: 2.8rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero h1 strong {
    color: var(--accent-color);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.hero-btns {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.cta-secondary {
    display: inline-block;
    padding: 12px 25px;
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
    text-decoration: none;
    border-radius: 30px;
    font-weight: bold;
    transition: 0.3s;
}

.cta-secondary:hover {
    background-color: var(--accent-color);
    color: #fff;
}

/* Sections */
.section-padding {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 50px;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background-color: var(--accent-color);
    margin: 15px auto 0;
}

/* Why Needed */
.info-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.info-item {
    text-align: center;
    padding: 30px;
}

.info-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

/* FAQ Section */
.faq {
    background-color: var(--card-bg);
}

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

.faq-item {
    background: var(--bg-color);
    padding: 25px;
    border-radius: 15px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

.faq-question {
    color: var(--accent-color);
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.faq-answer {
    line-height: 1.7;
    opacity: 0.85;
}

/* Consultation Section */
.consultation {
    padding: 80px 0;
    background-color: var(--secondary-color);
    text-align: center;
}

.consultation h2 {
    margin-bottom: 10px;
}

.consultation p {
    margin-bottom: 40px;
}

#consult-form {
    max-width: 500px;
    margin: 0 auto;
    background: var(--bg-color);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 20px;
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 10px;
    font-size: 1rem;
    background-color: var(--bg-color);
    color: var(--text-color);
}

.submit-btn {
    width: 100%;
    padding: 15px;
    background-color: var(--accent-color);
    color: var(--btn-text);
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
}

.submit-btn:hover {
    filter: brightness(1.1);
}

#success-msg {
    margin-top: 20px;
    color: #4caf50;
    font-weight: bold;
}

.hidden {
    display: none;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Footer */
footer {
    padding: 40px 0;
    background-color: var(--footer-bg);
    text-align: center;
    font-size: 0.9rem;
}

.disclaimer {
    margin-top: 10px;
    font-size: 0.8rem;
    opacity: 0.7;
}

/* Mobile Responsive */
@media (max-width: 600px) {
    .hero h1 {
        font-size: 1.8rem;
    }
    .hero {
        padding: 60px 0;
    }
    #consult-form {
        padding: 20px;
    }
}