/* Global Styles */
:root {
    --primary-color: #FFAB91; /* Peach */
    --primary-dark: #FF8A65;
    --secondary-color: #FFE082; /* Soft Yellow */
    --accent-color: #EF5350; /* Red/Alert */
    --text-color: #3E2723; /* Dark Brown */
    --text-light: #5D4037;
    --bg-color: #FFF3E0; /* Cream */
    --white: #FFFFFF;
    --shadow: 0 4px 6px rgba(0,0,0,0.1);
    --font-family: 'Noto Sans KR', sans-serif;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    font-size: 18px; /* Larger base font for seniors */
}

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

ul {
    list-style: none;
}

/* Typography */
h1, h2, h3 {
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-color);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; margin-top: 2rem; }
h3 { font-size: 1.5rem; }
p { margin-bottom: 1rem; }

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

/* Header */
header {
    background-color: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--primary-dark);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #FFF3E0 0%, #FFCCBC 100%);
    padding: 80px 0;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: var(--text-color);
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto 2rem;
}

.btn {
    display: inline-block;
    padding: 15px 30px;
    background-color: var(--primary-dark);
    color: var(--white);
    border-radius: 50px;
    font-weight: bold;
    font-size: 1.1rem;
    transition: transform 0.2s, background-color 0.2s;
    box-shadow: 0 4px 15px rgba(255, 138, 101, 0.4);
}

.btn:hover {
    background-color: #F4511E;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: var(--white);
    color: var(--primary-dark);
    border: 2px solid var(--primary-dark);
}

.btn-secondary:hover {
    background-color: var(--bg-color);
}

/* Features Section */
.features {
    padding: 80px 0;
    background-color: var(--white);
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

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

.feature-card {
    background: var(--bg-color);
    padding: 30px;
    border-radius: 20px;
    text-align: center;
    transition: transform 0.3s;
}

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

/* Manual Section */
.manual-content {
    padding: 60px 0;
    background-color: var(--white);
}

.manual-step {
    margin-bottom: 40px;
    border-bottom: 1px solid #eee;
    padding-bottom: 20px;
}

.step-number {
    display: inline-block;
    background: var(--secondary-color);
    color: var(--text-color);
    width: 30px;
    height: 30px;
    border-radius: 50%;
    text-align: center;
    line-height: 30px;
    font-weight: bold;
    margin-right: 10px;
}

/* Legal Pages */
.legal-content {
    background: var(--white);
    padding: 60px 0;
    min-height: 60vh;
}

.legal-text {
    max-width: 800px;
    margin: 0 auto;
    background: #FAFAFA;
    padding: 40px;
    border-radius: 10px;
    border: 1px solid #EEE;
}

.legal-text h3 {
    margin-top: 1.5rem;
    color: var(--primary-dark);
    font-size: 1.3rem;
}

.legal-text ul {
    list-style: disc;
    margin-left: 20px;
    margin-bottom: 1rem;
}

.legal-text li {
    margin-bottom: 0.5rem;
}

/* Footer */
footer {
    background-color: var(--text-color);
    color: var(--white);
    padding: 40px 0;
    text-align: center;
}

.footer-links {
    margin: 20px 0;
}

.footer-links a {
    color: #BCAAA4;
    margin: 0 15px;
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--white);
}

.copyright {
    color: #8D6E63;
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none; /* Simplification for basics */
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
}