/* ISMS-P DevSecOps Readiness Grader - Styles */

/* CSS Custom Properties */
:root {
    --color-primary: #2D5A3D;
    --color-primary-dark: #1E3D28;
    --color-primary-light: #4A7A5C;
    --color-secondary: #8B4513;
    --color-accent: #D4A574;
    
    --color-bg: #0F1419;
    --color-surface: #1A2332;
    --color-surface-elevated: #243044;
    --color-border: #2D3B4D;
    
    --color-text: #E8EAED;
    --color-text-muted: #9AA0A6;
    --color-text-inverse: #0F1419;
    
    --color-success: #34A853;
    --color-warning: #FBBC04;
    --color-error: #EA4335;
    
    --font-display: 'Noto Serif KR', serif;
    --font-body: 'Noto Sans KR', sans-serif;
    
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Background Effect */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 20% 20%, rgba(45, 90, 61, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(139, 69, 19, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(36, 48, 68, 0.3) 0%, transparent 70%);
    pointer-events: none;
    z-index: -1;
}

/* Noise texture overlay */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
    z-index: -1;
}

/* App Container */
.app-container {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-md);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-icon {
    font-size: 1.5rem;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text);
}

.progress-bar {
    flex: 1;
    max-width: 200px;
    height: 8px;
    background: var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin: 0 var(--spacing-lg);
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: var(--radius-xl);
    transition: width var(--transition-normal);
}

.progress-text {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-muted);
    min-width: 40px;
    text-align: right;
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* Sections */
.landing, .questions, .results {
    animation: fadeIn 0.5s ease forwards;
}

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

.hidden {
    display: none !important;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: var(--spacing-3xl) 0;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 5vw, 2.5rem);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text);
}

.hero-title .highlight {
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Benefits */
.benefits {
    display: grid;
    grid-template-columns: 1.2fr 1fr 0.8fr;
    gap: var(--spacing-lg);
    margin: var(--spacing-2xl) 0;
}

.benefit-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: left;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.benefit-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.benefit-card:hover::before {
    transform: scaleX(1);
}

.benefit-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.benefit-card h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.benefit-card p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

/* CTA Button */
.cta-button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-weight: 600;
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.cta-button:active {
    transform: translateY(0);
}

.cta-arrow {
    transition: transform var(--transition-fast);
}

.cta-button:hover .cta-arrow {
    transform: translateX(4px);
}

.estimate {
    margin-top: var(--spacing-lg);
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* Question Section */
.questions {
    padding: var(--spacing-lg) 0;
}

.question-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-lg);
}

.question-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.question-number {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-accent);
}

.question-category {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-surface-elevated);
    border-radius: var(--radius-md);
}

.question-text {
    font-size: 1.25rem;
    font-weight: 500;
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
    color: var(--color-text);
}

/* Options */
.options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.option {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-surface-elevated);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.option:hover {
    border-color: var(--color-primary);
    background: rgba(45, 90, 61, 0.1);
}

.option.selected {
    border-color: var(--color-primary);
    background: rgba(45, 90, 61, 0.15);
}

.option-radio {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border);
    border-radius: 50%;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.option.selected .option-radio {
    border-color: var(--color-primary);
}

.option.selected .option-radio::after {
    content: '';
    width: 10px;
    height: 10px;
    background: var(--color-primary);
    border-radius: 50%;
}

.option-label {
    font-size: 1rem;
    color: var(--color-text);
}

/* Navigation */
.navigation {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.nav-button {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 500;
    padding: var(--spacing-md) var(--spacing-xl);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    background: transparent;
    color: var(--color-text);
}

.nav-button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.nav-button.secondary:hover:not(:disabled) {
    border-color: var(--color-text-muted);
    background: var(--color-surface-elevated);
}

.nav-button.primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-color: var(--color-primary);
    color: var(--color-text);
}

.nav-button.primary:hover:not(:disabled) {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

/* Results Section */
.results {
    padding: var(--spacing-lg) 0;
}

.results-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.results-header h2 {
    font-family: var(--font-display);
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.results-header p {
    color: var(--color-text-muted);
}

/* Score Display */
.score-display {
    text-align: center;
    margin: var(--spacing-2xl) 0;
}

.score-circle {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-surface-elevated) 100%);
    border: 4px solid var(--color-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    box-shadow: var(--shadow-lg), 0 0 40px rgba(45, 90, 61, 0.3);
}

.score-value {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--color-primary-light);
    line-height: 1;
}

.score-label {
    font-size: 1rem;
    color: var(--color-text-muted);
}

.score-grade {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-accent);
}

/* Dimension Scores */
.dimension-scores {
    margin: var(--spacing-2xl) 0;
}

.dimension-scores h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text);
}

.dimension-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.dimension-name {
    width: 120px;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.dimension-bar {
    flex: 1;
    height: 12px;
    background: var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.dimension-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: var(--radius-xl);
    transition: width 1s ease;
}

.dimension-score {
    width: 40px;
    font-size: 0.9rem;
    font-weight: 600;
    text-align: right;
    color: var(--color-text);
}

/* Recommendations */
.recommendations {
    margin: var(--spacing-2xl) 0;
    padding: var(--spacing-xl);
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-accent);
}

.recommendations h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

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

.recommendations li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    color: var(--color-text-muted);
    line-height: 1.6;
}

.recommendations li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

/* Email Capture */
.email-capture {
    text-align: center;
    margin: var(--spacing-2xl) 0;
    padding: var(--spacing-xl);
    background: var(--color-surface);
    border-radius: var(--radius-lg);
}

.email-capture h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.email-capture p {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
}

.email-form {
    display: flex;
    gap: var(--spacing-md);
    max-width: 400px;
    margin: 0 auto;
}

.email-form input {
    flex: 1;
    padding: var(--spacing-md);
    background: var(--color-surface-elevated);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.email-form input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.email-form input::placeholder {
    color: var(--color-text-muted);
}

.submit-button {
    padding: var(--spacing-md) var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border: none;
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.submit-button:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

/* Restart Button */
.restart-button {
    display: block;
    margin: var(--spacing-xl) auto 0;
    padding: var(--spacing-md) var(--spacing-xl);
    background: transparent;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-text-muted);
    font-family: var(--font-body);
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.restart-button:hover {
    border-color: var(--color-text);
    color: var(--color-text);
}

/* Footer */
.footer {
    text-align: center;
    padding: var(--spacing-xl) 0;
    margin-top: var(--spacing-2xl);
    border-top: 1px solid var(--color-border);
}

.footer p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.footer a {
    color: var(--color-primary-light);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* Responsive */
@media (max-width: 640px) {
    .header {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }
    
    .progress-bar {
        order: 3;
        max-width: none;
        width: 100%;
        margin: var(--spacing-sm) 0 0;
    }
    
    .benefits {
        grid-template-columns: 1fr;
    }
    
    .question-card {
        padding: var(--spacing-lg);
    }
    
    .email-form {
        flex-direction: column;
    }
    
    .dimension-name {
        width: 80px;
        font-size: 0.8rem;
    }
}

/* Animations */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.question-card {
    animation: slideUp 0.5s ease forwards;
}

.benefit-card {
    opacity: 0;
    animation: slideUp 0.5s ease forwards;
}

.benefit-card:nth-child(1) { animation-delay: 0.1s; }
.benefit-card:nth-child(2) { animation-delay: 0.2s; }
.benefit-card:nth-child(3) { animation-delay: 0.3s; }