/* --- 기본 & 레이아웃 --- */
body {
    font-family: 'Noto Sans KR', sans-serif;
    margin: 0;
    background-color: #eef1f5;
    color: #333;
    line-height: 1.7;
    font-size: 16px;
}

.page-wrapper {
    max-width: 1400px;
    margin: 0 auto;
    background-color: #fff;
    box-shadow: 0 0 25px rgba(0,0,0,0.08);
}

.container {
    max-width: 1200px;
    margin: 30px auto;
    padding: 20px 30px;
}

header {
    background: linear-gradient(135deg, #3a7bd5 0%, #3a6073 100%);
    color: white;
    padding: 50px 20px;
    text-align: center;
}
.header-content {
    max-width: 900px;
    margin: 0 auto;
}
header h1 {
    font-size: 3em;
    margin-bottom: 15px;
    font-weight: 700;
    letter-spacing: -1px;
}
header h1 i {
    margin-right: 10px;
    color: #f0c040;
}
header .subtitle {
    font-size: 1.3em;
    opacity: 0.9;
    font-weight: 300;
}

.card {
    background-color: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.07);
    margin-bottom: 30px;
}

h2 {
    color: #2c3e50;
    border-bottom: 3px solid #3498db;
    padding-bottom: 15px;
    margin-top: 0;
    margin-bottom: 25px;
    text-align: left;
    font-size: 2em;
    font-weight: 600;
}
h2 i {
    margin-right: 10px;
    color: #3498db;
}

/* --- 패키지 선택 --- */
.package-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 20px;
}

.package-card {
    border: 1px solid #ddd;
    border-radius: 10px;
    padding: 25px;
    text-align: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    background-color: #fcfcfc;
}
.package-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
}
.package-card.selected {
    border: 2px solid #27ae60;
    box-shadow: 0 8px 16px rgba(39, 174, 96, 0.25);
    background-color: #e6fff2;
    transform: translateY(-5px);
}
.package-card h3 {
    font-size: 1.8em;
    color: #34495e;
    margin-top: 0;
    margin-bottom: 15px;
}
.package-card h3 i {
    margin-right: 8px;
    color: #3498db;
}
.package-card.selected h3 i {
    color: #27ae60;
}
.package-card p.package-description {
    font-size: 0.95em;
    color: #555;
    margin-bottom: 15px;
    min-height: 80px; 
    text-align: left; 
}
.package-card ul.package-features {
    list-style: none;
    padding: 0;
    margin: 0 0 20px 0;
    text-align: left;
    font-size: 0.9em;
    color: #666;
    flex-grow: 1;
}
.package-card ul.package-features li {
    margin-bottom: 8px;
    padding-left: 25px;
    position: relative;
    line-height: 1.6;
}
.package-card ul.package-features li::before {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: #27ae60;
    position: absolute;
    left: 0;
    font-size: 1.1em;
}
.package-card .price-info {
    font-weight: 700;
    color: #d35400;
    margin-top: auto;
    font-size: 1.3em;
    padding-top: 15px;
    border-top: 1px solid #eee;
}
.package-card .select-package-btn {
    margin-top: 20px;
    width: 100%;
    padding: 12px 0;
}

/* --- 입력 영역 --- */
#input-area .input-options {
    display: flex;
    gap: 30px;
    align-items: flex-start;
    margin-bottom: 25px;
}
#input-area .input-group {
    flex: 1;
    margin-bottom: 0;
}
#input-area .or-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: #777;
    padding-top: 50px;
}
.input-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 500;
    color: #444;
    font-size: 1.05em;
}
.input-group label i {
    margin-right: 8px;
    color: #3498db;
}
.input-group small {
    font-size: 0.85em;
    color: #777;
    display: block;
    margin-top: 5px;
}
textarea, input[type="file"], input[type="text"], input[type="email"] {
    width: 100%;
    padding: 15px;
    border: 1px solid #ccc;
    border-radius: 8px;
    box-sizing: border-box;
    font-size: 1em;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
textarea:focus, input[type="file"]:focus, input[type="text"]:focus, input[type="email"]:focus {
    border-color: #3498db;
    box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25);
    outline: none;
}
textarea {
    min-height: 180px;
}
input[type="file"] {
    padding: 12px;
}

.btn {
    color: white;
    padding: 15px 25px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.1em;
    transition: background-color 0.2s ease, transform 0.1s ease;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.btn i {
    margin-right: 8px;
}
.btn:active {
    transform: translateY(1px);
}
.btn.primary-btn {
    background-color: #3498db;
}
.btn.primary-btn:hover {
    background-color: #2980b9;
}
.btn.secondary-btn {
    background-color: #2ecc71;
}
.btn.secondary-btn:hover {
    background-color: #27ae60;
}
.analyze-full-btn {
    width: 100%;
    font-size: 1.2em;
    padding: 18px 0;
}

/* --- 결과 영역 --- */
#result-area h2 #current-package-name-in-result {
    color: #e67e22;
}

.charts-group {
    display: grid;
    gap: 25px;
    margin-bottom: 30px;
}
#value-package-charts { /* 실속형: 1열 */
    grid-template-columns: minmax(0, 2fr); 
    justify-content: center; 
}
.chart-grid-3 { /* 표준형/진단형: 반응형 3열 */
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); 
}

.chart-container {
    background-color: #fdfdfd;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.06);
    text-align: center;
    position: relative;
    display: flex; 
    flex-direction: column;
    justify-content: space-between; 
}
.chart-container h4 {
    margin-top: 0;
    margin-bottom: 15px;
    color: #34495e;
    font-size: 1.25em;
    font-weight: 500;
}
.chart-container canvas {
    max-width: 100%;
    height: 360px !important; /* 변경: 표준형/진단형 기본 차트 높이 증가 */
}
.chart-container.value-chart canvas { /* 실속형 차트는 더 크게 */
    height: 420px !important; /* 변경: 실속형 차트 높이 증가 */
}

#sentiment-summary {
    font-size: 1.1em;
    line-height: 1.8;
    background-color: #f9f9f9;
    border-radius: 8px;
    padding: 25px;
    border: 1px solid #e7e7e7;
}
#sentiment-summary h3 {
    margin-top: 0;
    color: #2c3e50;
    font-size: 1.5em;
    border-bottom: 2px solid #3498db;
    padding-bottom: 10px;
    margin-bottom: 20px;
}
#sentiment-summary h4 {
    margin-top: 25px;
    margin-bottom: 12px;
    color: #3498db;
    font-size: 1.3em;
    font-weight: 500;
}
#sentiment-summary ul {
    padding-left: 20px;
    margin-top: 8px;
    list-style-type: disc;
}
#sentiment-summary ul li {
    margin-bottom: 6px;
}
#sentiment-summary strong {
    color: #2980b9;
    font-weight: 500;
}

#premium-features-message {
    background-color: #e9f5ff;
    border: 1px solid #aed6f1;
    border-radius: 8px;
    padding: 25px;
    text-align: center;
    margin-top: 25px;
    color: #1a5276;
}
#premium-features-message h3 {
    color: #1a5276;
    font-size: 1.6em;
    margin-top: 0;
    margin-bottom: 12px;
}
#premium-features-message p {
    margin-bottom: 18px;
    font-size: 1.05em;
}
#premium-features-message strong {
    color: #c0392b;
}
#premium-features-message button {
    background-color: #f39c12;
    color: white;
    padding: 12px 20px;
}
#premium-features-message button:hover {
    background-color: #e67e22;
}

/* --- 1:1 문의 섹션 --- */
#contact-area h2 {
    margin-bottom: 15px;
}

/* --- 푸터 --- */
footer {
    text-align: center;
    padding: 30px 20px;
    background-color: #2c3e50;
    color: #bdc3c7;
    margin-top: 50px;
    font-size: 0.95em;
}

/* --- 반응형 조정 --- */
@media (max-width: 1200px) {
    .container {
        padding: 20px;
    }
    .chart-grid-3 {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); 
    }
}
@media (max-width: 992px) {
    header h1 { font-size: 2.5em; }
    header .subtitle { font-size: 1.1em; }
    h2 { font-size: 1.7em; }

    .package-options {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    #input-area .input-options {
        flex-direction: column;
        gap: 0;
    }
    #input-area .or-divider {
        padding: 15px 0;
        width: 100%;
    }
    .chart-grid-3 {
        grid-template-columns: repeat(auto-fit, minmax(calc(50% - 13px), 1fr)); 
    }
    #diagnostic-package-charts.chart-grid-3 { 
        grid-template-columns: 1fr;
    }
    .chart-container.value-chart { 
        width: 100%;
    }
    /* 태블릿에서 차트 높이 일괄 조정 */
    .chart-container canvas { height: 320px !important; } /* 변경 */
    .chart-container.value-chart canvas { height: 380px !important; } /* 변경 */
}
@media (max-width: 768px) {
    body { font-size: 15px; }
    .page-wrapper { box-shadow: none; }
    .container { padding: 15px; margin-top: 20px; margin-bottom: 20px; }
    header { padding: 30px 15px; }
    header h1 { font-size: 2.2em; }
    .card { padding: 20px; margin-bottom: 20px; }
    h2 { font-size: 1.6em; }

    .package-options { grid-template-columns: 1fr; }
    .charts-group, .chart-grid-3 { grid-template-columns: 1fr; } 

    /* 모바일에서 차트 높이 통일 */
    .chart-container canvas, .chart-container.value-chart canvas {
        height: 300px !important; /* 변경 */
    }

    textarea, input[type="file"], input[type="text"], input[type="email"] { padding: 12px; }
    .btn { width: 100%; padding: 15px; font-size: 1.05em; }
    #sentiment-summary { padding: 20px; }
}


/* ================================== */
/*     [이 부분만 추가] 예고 배너 스타일     */
/* ================================== */

#next-step-banner {
    margin-top: 40px;
    border-top: 1px solid #e0e0e0;
    padding-top: 40px;
}
.banner-content {
    background: linear-gradient(135deg, #43a047, #1b5e20);
    color: white;
    border-radius: 12px;
    padding: 30px;
    display: flex;
    align-items: center;
    gap: 30px;
    flex-wrap: wrap;
}
.banner-icon {
    font-size: 3em;
    opacity: 0.8;
}
.banner-text {
    flex: 1;
}
.banner-text h4 {
    margin: 0 0 10px 0;
    font-size: 1.4em;
    color: white; /* h4 태그 글자색 흰색으로 명시 */
}
.banner-text p {
    margin: 0;
    opacity: 0.9;
    line-height: 1.6;
}
.banner-action .cta-btn {
    background-color: #fdd835;
    color: #333;
    font-weight: 700;
}
.banner-action .cta-btn:hover {
    background-color: #fbc02d;
}

/* 모바일 반응형 */
@media (max-width: 768px) {
    .banner-content {
        flex-direction: column;
        text-align: center;
    }
}