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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background: #fafbfc;
    overflow-x: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Hero Section */
.hero {
    position: relative;
    padding: 20px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
}

.hero-title {
    font-size: clamp(1.4rem, 3.5vw, 2rem);
    font-weight: 600;
    margin-bottom: 4px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 0.85rem;
    opacity: 0.9;
    max-width: 350px;
    margin: 0 auto;
    font-weight: 300;
}

/* Main Content */
.main-content {
    padding: 80px 0;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: #1a1a1a;
}

.section-header p {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* Analysis Options */
.analysis-section {
    margin-bottom: 120px;
}

.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 24px;
}

.option-card {
    background: white;
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid #f0f0f0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: auto;
    min-height: 420px;
}

.option-card .btn {
    margin-top: auto;
    align-self: stretch;
}

.option-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.option-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.development-card {
    background: linear-gradient(135deg, #fff9e6 0%, #fef3cd 100%);
    border-color: #ffeaa7;
}

.development-card::before {
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
}

.ready-card {
    background: linear-gradient(135deg, #f0fff4 0%, #e6ffed 100%);
    border-color: #90ee90;
}

.ready-card::before {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
}

.ready-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
}

.development-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
}

.warning-notice {
    background: rgba(243, 156, 18, 0.1);
    border: 1px solid rgba(243, 156, 18, 0.3);
    border-radius: 8px;
    padding: 12px;
    margin-bottom: 20px;
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 0.85rem;
    color: #d68910;
    line-height: 1.4;
}

.warning-notice i {
    color: #f39c12;
    margin-top: 2px;
    flex-shrink: 0;
}

.card-header {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.card-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    margin-right: 16px;
}

.ready-icon {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
}

.development-card .card-icon {
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
}

.card-header h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #1a1a1a;
}

.option-card p {
    color: #666;
    margin-bottom: 24px;
    line-height: 1.6;
}

.card-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 28px;
}

.feature-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #f8f9fa;
    color: #495057;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.ready-card .feature-tag {
    background: rgba(40, 167, 69, 0.1);
    color: #155724;
}

.development-card .feature-tag {
    background: rgba(243, 156, 18, 0.1);
    color: #d68910;
}

/* Buttons - Complete Rewrite */
.btn {
    /* Core Layout */
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: row;
    flex-wrap: nowrap;
    
    /* Fixed Dimensions */
    width: 180px;
    height: 48px;
    min-width: 180px;
    min-height: 48px;
    max-width: 180px;
    max-height: 48px;
    
    /* Spacing and Typography */
    padding: 0;
    margin: 0;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    line-height: 1;
    text-align: center;
    
    /* Visual Styling */
    border: none;
    border-radius: 8px;
    text-decoration: none;
    cursor: pointer;
    
    /* Positioning */
    position: relative;
    box-sizing: border-box;
    
    /* Disable all transformations */
    transform: none;
    transition: background-color 0.2s ease;
    
    /* Text behavior */
    white-space: nowrap;
    overflow: hidden;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

/* Button Content */
.btn-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 100%;
    height: 100%;
    position: relative;
    z-index: 10;
}

.btn-text {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    line-height: 1;
    text-align: center;
    margin: 0;
    padding: 0;
}

.btn-icon {
    display: inline-block;
    font-size: 12px;
    line-height: 1;
    margin: 0;
    padding: 0;
}



.btn:active {
    transform: scale(0.98);
}


.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #5a6fd8 0%, #6a4190 100%);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.btn-success {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    color: white;
}

.btn-success:hover {
    background: linear-gradient(135deg, #20c997 0%, #17a2b8 100%);
    box-shadow: 0 8px 25px rgba(40, 167, 69, 0.3);
}

.btn-warning {
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
    color: white;
}

.btn-warning:hover {
    background: linear-gradient(135deg, #e67e22 0%, #d35400 100%);
    box-shadow: 0 8px 25px rgba(243, 156, 18, 0.3);
}

.btn-disabled {
    background: #e9ecef;
    color: #6c757d;
    cursor: not-allowed;
}

/* Features Section */
.features-section {
    margin-bottom: 120px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.feature-item {
    background: white;
    padding: 28px;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    border: 1px solid #f0f0f0;
    transition: all 0.3s ease;
    text-align: center;
}

.feature-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    margin: 0 auto 20px;
}

.feature-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: #1a1a1a;
}

.feature-item p {
    color: #666;
    line-height: 1.6;
    font-size: 0.95rem;
}

/* Workflow Section */
.workflow-section {
    margin-bottom: 120px;
}

.workflow-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 280px;
}

.step-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.3);
}

.step-number {
    color: white;
    font-size: 1.2rem;
    font-weight: 700;
}

.step-content h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: #1a1a1a;
}

.step-content p {
    color: #666;
    line-height: 1.6;
    font-size: 0.9rem;
}

.step-connector {
    width: 60px;
    height: 2px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 1px;
    opacity: 0.3;
}

/* Notice Section */
.notice-section {
    margin-bottom: 60px;
}

.notice-card {
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    border: 1px solid #90caf9;
    border-radius: 12px;
    padding: 24px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.notice-icon {
    width: 40px;
    height: 40px;
    background: #2196f3;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.notice-content h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: #0d47a1;
}

.notice-content p {
    color: #1565c0;
    line-height: 1.6;
    margin: 0;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .container {
        padding: 0 20px;
    }
    
    .hero-stats {
        gap: 30px;
    }
    
    .options-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 20px;
    }
    
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    .workflow-steps {
        gap: 30px;
    }
    
    .step-connector {
        display: none;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 15px 0;
    }
    
    .hero-title {
        font-size: 1.3rem;
    }
    
    .hero-subtitle {
        font-size: 0.8rem;
    }
    
    .main-content {
        padding: 60px 0;
    }
    
    .section-header {
        margin-bottom: 40px;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .analysis-section,
    .features-section,
    .workflow-section {
        margin-bottom: 80px;
    }
    
    .options-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .workflow-steps {
        flex-direction: column;
        gap: 40px;
    }
    
    .step {
        max-width: 100%;
    }
    
    .notice-card {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero {
        padding: 12px 0;
    }
    
    .hero-title {
        font-size: 1.2rem;
    }
    
    .hero-subtitle {
        font-size: 0.75rem;
    }
    
    .option-card,
    .feature-item {
        padding: 24px;
    }
    
    .development-badge,
    .ready-badge {
        position: static;
        margin-bottom: 16px;
        align-self: flex-start;
    }
}

/* Animation Classes */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Focus Styles */
.btn:focus,
button:focus {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Ripple effect fix */
.ripple {
    position: absolute;
    border-radius: 50%;
    transform: scale(0);
    animation: ripple-animation 0.6s linear;
    background: rgba(255, 255, 255, 0.5);
    pointer-events: none;
    z-index: 1;
}

@keyframes ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}