:root {
    --primary-color: #0A2E36;
    --accent-color: #FFB81C;
    --text-color: #212529;
    --light-text-color: #6C757D;
    --bg-color: #FFFFFF;
    --gray-bg-color: #F8F9FA;
    --border-color: #DEE2E6;
}



* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, 'Helvetica Neue', 'Segoe UI', 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', sans-serif;
    line-height: 1.7;
    color: var(--text-color);
    background-color: var(--bg-color);
    word-break: keep-all;
    -webkit-font-smoothing: antialiased;
}
.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
a {
    text-decoration: none;
    color: inherit;
}
main {
    padding: 80px 0;
}


.site-header {
    width: 100%;
    padding: 15px 0;
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
}
.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.site-header .logo {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
}
.site-footer {
    background-color: #222222;
    color: #AAAAAA;
    padding: 60px 0;
    font-size: 0.9rem;
    text-align: center;
}
.site-footer p {
    margin-bottom: 5px;
}


.cta-button {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--primary-color) !important;
    padding: 10px 22px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    transition: background-color 0.3s, transform 0.2s;
    border: none;
    cursor: pointer;
}
.cta-button:hover {
    background-color: #ffc74c;
    transform: translateY(-2px);
}
.cta-button.large {
    padding: 15px 35px;
    font-size: 1.1rem;
}


.sticky-nav {
    position: sticky;
    top: 67px;
    z-index: 999;
    background-color: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}
.sticky-nav .container {
    position: relative;
    overflow-x: auto;
    -ms-overflow-style: none;
    scrollbar-width: none;
    cursor: grab;
}
.sticky-nav .container.active-drag {
    cursor: grabbing;
}
.sticky-nav .container::-webkit-scrollbar {
    display: none;
}
.sticky-nav .container::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 40px;
    height: 100%;
    background: linear-gradient(to left, var(--bg-color), rgba(255, 255, 255, 0));
    pointer-events: none;
    display: none;
}
.sticky-nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    white-space: nowrap;
}
.sticky-nav li a {
    display: block;
    padding: 15px 20px;
    text-decoration: none;
    color: var(--light-text-color);
    font-weight: 600;
    border-bottom: 3px solid transparent;
    transition: color 0.3s, border-color 0.3s;
}
.sticky-nav li a:hover {
    color: var(--primary-color);
}
.sticky-nav li a.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}


.section-header {
    text-align: center;
    margin-bottom: 60px;
}
.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.4;
    margin-bottom: 15px;
}
.section-subtitle {
    font-size: 1.1rem;
    color: var(--light-text-color);
    max-width: 700px;
    margin: 0 auto;
}


@media (max-width: 768px) {
    main {
        padding: 60px 0;
    }
    .section-title {
        font-size: 2rem;
    }
    .sticky-nav .container::after {
        display: block;
    }
    .sticky-nav ul {
        justify-content: flex-start;
    }
    .sticky-nav li a {
        padding: 15px 16px;
    }
}