/* General Body and Layout */
body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f0f4f8; /* Pale blue background */
    color: #333;
    line-height: 1.6;
}

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

/* Header & Navigation */
.navbar {
    background-color: #fff;
    padding: 1rem 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border-radius: 0 0 15px 15px;
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo h1 {
    margin: 0;
    font-size: 2em;
    font-weight: bold;
    color: #007bff; /* Bright blue for logo */
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
}

.logo span {
    display: block;
    font-size: 0.8em;
    color: #555;
    margin-top: -5px;
}

.nav-menu {
    list-style: none;
    display: flex;
    gap: 1.5rem;
    margin: 0;
    padding: 0;
}

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: bold;
    transition: color 0.3s ease, transform 0.3s ease;
    padding: 0.5rem;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    display: block;
    margin-top: 5px;
    right: 0;
    background: #007bff; /* Blue underline on hover */
    transition: width 0.4s ease;
}

.nav-menu a:hover::after {
    width: 100%;
    left: 0;
    background: #007bff;
}

.hamburger {
    display: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
}

.hamburger .bar {
    width: 25px;
    height: 3px;
    background-color: #333;
    transition: all 0.3s ease;
}

/* ⚠️ 이 미디어 쿼리 블록에 닫는 괄호를 추가하여 오류를 해결했습니다. */
@media (max-width: 1024px) {
    /* 내비게이션 메뉴를 위한 코드 */
    .nav-menu {
        display: none;
        flex-direction: column;
        width: 100%;
        text-align: center;
        background-color: #f9f9f9;
        position: absolute;
        top: 100%;
        left: 0;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        padding: 1rem 0;
    }

    .nav-menu.active {
        display: flex;
    }

    .hamburger {
        display: flex;
    }

    .nav-menu li {
        margin: 0.5rem 0;
    }

    /* 카드 섹션 레이아웃을 위한 코드 */
    .features-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 15px;
    }
}


/* Main Content & Sections */
main {
    max-width: 1200px;
    margin: 20px auto;
    padding: 0 20px;
}

.tool-section {
    background-color: #fff;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
    animation: fadeIn 1s ease-in-out;
}

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

.hero {
    text-align: center;
    margin-bottom: 50px;
}

.hero h1 {
    font-size: 2.8em;
    color: #007bff; /* Bright blue hero title */
    margin-bottom: 10px;
}

.hero p {
    font-size: 1.2em;
    color: #555;
    max-width: 700px;
    margin: 0 auto 20px;
}

.cta-buttons {
    margin-top: 30px;
}

.cta-btn {
    text-decoration: none;
    color: white;
    background-color: #007bff; /* Bright blue CTA button */
    padding: 12px 25px;
    border-radius: 30px;
    font-weight: bold;
    transition: background-color 0.3s ease, transform 0.3s ease;
    display: inline-block;
}

.cta-btn:hover {
    background-color: #0056b3;
    transform: translateY(-3px);
}

.cta-btn.secondary {
    background-color: transparent;
    border: 2px solid #007bff;
    color: #007bff;
}

.cta-btn.secondary:hover {
    background-color: #007bff;
    color: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 50px;
}

.feature-card {
    background-color: #f9f9f9;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    text-decoration: none;
    color: #333;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.feature-card h3 {
    color: #007bff; /* Bright blue feature card title */
    font-size: 1.4em;
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 0.9em;
    color: #666;
}

/* Tool Specific Interface */
.tool-container {
    text-align: center;
    padding: 20px;
}

.tool-container h2 {
    font-size: 2.5em;
    color: #007bff; /* Bright blue tool title */
    margin-bottom: 10px;
}

.tool-description {
    max-width: 800px;
    margin: 0 auto 30px;
    font-size: 1.1em;
    color: #666;
}

.upload-area {
    position: relative;
    border: 2px dashed #ddd;
    border-radius: 10px;
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.3s ease;
    margin-bottom: 20px;
}
.upload-area:hover,
.upload-area.drag-over {
    border-color: #007bff; /* Bright blue hover effect */
}

.upload-area input[type="file"] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.controls {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-bottom: 20px;
}

.controls label {
    font-weight: bold;
    color: #555;
}

.controls input[type="number"],
.controls input[type="range"] {
    border: 1px solid #ddd;
    border-radius: 5px;
    padding: 8px;
    text-align: center;
}

.process-btn {
    background-color: #007bff; /* Bright blue process button */
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 1em;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.process-btn:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
}

.download-btn {
    display: inline-block;
    background-color: #007bff; /* Bright blue download button */
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    text-decoration: none;
    margin-top: 15px;
    transition: background-color 0.3s ease;
}

.download-btn:hover {
    background-color: #0056b3;
}

/* OCR Specific Styles */
#ocr-status {
    margin-top: 15px;
    font-weight: bold;
}

.result-box {
    background-color: #fff;
    border: 1px solid #ddd;
    padding: 20px;
    border-radius: 8px;
    margin-top: 20px;
    text-align: left;
}

.result-box pre {
    white-space: pre-wrap;
    word-wrap: break-word;
    font-family: 'Courier New', Courier, monospace;
    font-size: 1em;
}

/* Color Picker Specific Styles */
.color-box {
    width: 50px;
    height: 50px;
    border: 1px solid #333;
    display: inline-block;
    vertical-align: middle;
    margin-right: 15px;
}

#color-picker-image {
    max-width: 100%;
    height: auto;
    cursor: crosshair;
}

/* About, Privacy, Terms, Contact Pages */
.info-section {
    text-align: left;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

.info-section h2 {
    color: #007bff; /* Bright blue info title */
    font-size: 2.2em;
    margin-bottom: 20px;
    text-align: center;
}

.info-section h3 {
    color: #007bff;
    margin-top: 30px;
    margin-bottom: 10px;
}

.info-section ul {
    list-style-type: disc;
    padding-left: 20px;
}

.info-section li {
    margin-bottom: 10px;
}

.info-section p, .info-section li {
    font-size: 1em;
}

.info-section em {
    color: #888;
    font-size: 0.9em;
}

/* Footer */
footer {
    margin-top: 50px;
    padding: 30px 20px;
    background: linear-gradient(145deg, #007bff, #0056b3); /* Blue gradient footer */
    color: white;
    border-radius: 15px 15px 0 0;
    text-align: left;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-section {
    flex: 1;
    min-width: 200px;
    margin: 15px;
}

.footer-section h3 {
    color: #a5d6f8; /* Pale blue for footer titles */
    margin-bottom: 15px;
    font-size: 1.2em;
}

.footer-section p {
    margin-bottom: 10px;
    line-height: 1.6;
    font-size: 0.9em;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section li {
    margin-bottom: 8px;
}

.footer-section a {
    color: #a5d6f8;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #fff;
}

.footer-bottom {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #a5d6f8;
    font-size: 0.8em;
}

.footer-bottom a {
    color: #a5d6f8;
    text-decoration: none;
}

/* Custom styles for the banner icons on index.html */
.icon-link img {
    transition: transform 0.3s ease-in-out;
}

.icon-link:hover img {
    transform: scale(1.1);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
}

.banner-icon a,
.banner-icon a:link,
.banner-icon a:visited,
.banner-icon a:hover,
.banner-icon a:active {
    text-decoration: none !important;
    border: none !important;
    outline: none !important;
    background: none !important;
}

.banner-icon a {
    display: inline-block;
    vertical-align: middle;
    line-height: 0;

}
.network-card {
    max-width: 900px;
    margin: 40px auto 20px auto;
    background: #ffffff;
    padding: 25px 30px;
    border-radius: 12px;
    box-shadow: 0 4px 14px rgba(0,0,0,0.08);
    text-align: center;
}

.network-title {
    font-size: 1.6rem;
    margin-bottom: 15px;
    color: #333;
}

.network-text {
    font-size: 1rem;
    line-height: 1.7;
    color: #555;
    margin-bottom: 15px;
}

.network-link {
    display: inline-block;
    margin-top: 10px;
    font-size: 1.15rem;
    text-decoration: none;
    color: #007bff;
    font-weight: bold;
}

.network-link:hover {
    text-decoration: underline;
}