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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, "Malgun Gothic", "맑은 고딕", sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

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

/* ===================================
   Header Styles
   =================================== */
.site-header {
    background: #ffffff;
    color: #333;
    padding: 25px 0;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.site-title {
    font-family: 'Noto Sans KR', sans-serif;
    font-size: 1.8rem;
    font-weight: 900;
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 20px;
    text-align: left;
}

/* ===================================
   Main Content Styles
   =================================== */
.main-content {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0;
    margin-top: 10px;
}

.image-section {
    background: white;
    margin-bottom: 0;
}

.container {
    width: 100%;
}

.container img {
    width: 100%;
    height: auto;
    display: block;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.container img.loaded {
    opacity: 1;
}

/* ===================================
   CTA Button Styles
   =================================== */
.cta-wrapper {
    padding: 0;
    width: 100%;
}

.cta-button {
    display: block;
    width: 100%;
    background: #0A2463;
    color: white;
    font-family: 'Noto Sans KR', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    padding: 25px 0;
    border: none;
    text-align: center;
    transition: all 0.5s ease;
    opacity: 0;
    transform: translateY(20px);
}

.cta-button.loaded {
    opacity: 1;
    transform: translateY(0);
}

.cta-button:hover {
    background: #071A47;
}

.cta-button:active {
    background: #05132F;
}

.cta-icon {
    font-size: 1.8rem;
    margin-right: 8px;
}



/* ===================================
   Footer Styles
   =================================== */
.site-footer {
    background: #f5f5f5;
    color: #000;
    padding: 50px 20px 30px;
    margin-top: 10px;
    border-top: 1px solid #e0e0e0;
}

.footer-content {
    max-width: 1080px;
    margin: 0 auto;
}

.footer-title {
    font-family: 'Noto Sans KR', sans-serif;
    font-size: 1.5rem;
    font-weight: 900;
    margin-bottom: 25px;
    color: #000;
}

.footer-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 30px;
    line-height: 2;
}

.footer-info-left {
    flex: 1;
}

.footer-info-right {
    flex: 1;
    text-align: right;
}

.footer-info p {
    margin-bottom: 8px;
    font-size: 1rem;
    color: #000;
}

.footer-info strong {
    font-weight: 700;
    margin-right: 8px;
    color: #000;
}

.footer-info a {
    color: #000;
    transition: color 0.3s ease;
}

.footer-info a:hover {
    color: #4CAF50;
    text-decoration: underline;
}

.footer-copyright {
    padding-top: 20px;
    border-top: 1px solid #e0e0e0;
    font-size: 0.9rem;
    color: #000;
    text-align: center;
}

/* ===================================
   Responsive Design - Tablet
   =================================== */
@media screen and (max-width: 768px) {
    .site-title {
        font-size: 1.5rem;
        padding: 0 15px;
    }

    .site-header {
        padding: 15px 0;
    }

    .cta-button {
        font-size: 1.6rem;
        padding: 20px 0;
    }

    .cta-icon {
        font-size: 1.6rem;
    }

    .footer-title {
        font-size: 1.3rem;
    }

    .footer-info {
        flex-direction: column;
    }

    .footer-info-right {
        text-align: left;
        margin-top: 15px;
    }

    .footer-info p {
        font-size: 0.95rem;
    }

    .site-footer {
        padding: 40px 15px 25px;
    }
}

/* ===================================
   Responsive Design - Mobile
   =================================== */
@media screen and (max-width: 480px) {
    .site-title {
        font-size: 1.5rem;
        padding: 0 15px;
    }

    .site-header {
        padding: 15px 0;
    }

    .main-content {
        padding: 0;
    }

    .cta-button {
        font-size: 1.6rem;
        padding: 18px 0;
    }

    .cta-icon {
        font-size: 1.6rem;
    }


    .footer-title {
        font-size: 1.2rem;
        margin-bottom: 20px;
    }

    .footer-info {
        flex-direction: column;
        line-height: 1.8;
    }

    .footer-info-right {
        text-align: left;
        margin-top: 15px;
    }

    .footer-info p {
        font-size: 0.85rem;
        margin-bottom: 6px;
        word-break: keep-all;
    }

    .footer-copyright {
        font-size: 0.8rem;
        padding-top: 15px;
    }

    .site-footer {
        padding: 30px 15px 20px;
    }
}

/* ===================================
   Extra Small Devices
   =================================== */
@media screen and (max-width: 360px) {
    .site-title {
        font-size: 1.5rem;
    }

    .cta-button {
        font-size: 1.6rem;
        padding: 16px 0;
    }

    .cta-icon {
        font-size: 1.6rem;
    }

    .footer-info p {
        font-size: 0.8rem;
    }
}

/* ===================================
   Print Styles
   =================================== */
@media print {
    .site-header {
        position: static;
        box-shadow: none;
    }

    .cta-button {
        display: none;
    }

    .site-footer {
        border-top: 1px solid #000;
    }
}