/* Base styles */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: #e5e7eb;
    line-height: 1.5;
    background-color: #000;
    overflow-x: hidden;
}

/* Tech Background */
.tech-bg-overlay {
    background-image: url('ai-tech-bg.svg');
    background-size: cover;
    background-position: center;
    opacity: 0.05;
    z-index: 0;
}

/* Text gradient */
.text-gradient {
    background: linear-gradient(90deg, #3b82f6, #8b5cf6);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-fill-color: transparent;
}

/* Layout & sections */
.section {
    margin-bottom: 6rem;
    padding-top: 1rem;
    position: relative;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #2d3748;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100px;
    height: 2px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6);
}

/* Navigation */
.nav-link {
    margin-right: 1.5rem;
    color: #9ca3af;
    font-weight: 500;
    text-decoration: none;
    padding-bottom: 0.25rem;
    border-bottom: 2px solid transparent;
    transition: color 0.2s, border-color 0.2s;
}

.nav-link:hover {
    color: #fff;
    border-color: #3b82f6;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 2.75rem;
    padding: 0 1.5rem;
    border-radius: 6px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0));
    transform: translateY(-100%);
    transition: transform 0.3s;
}

.btn:hover::before {
    transform: translateY(0);
}

.btn-primary {
    background-color: #3b82f6;
    color: #fff;
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    background-color: #2563eb;
    box-shadow: 0 0 25px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
    background-color: #1f2937;
    color: #e5e7eb;
    border: 1px solid #374151;
}

.btn-secondary:hover {
    background-color: #374151;
}

/* Glowing effect */
.glow-effect {
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.2; }
    50% { opacity: 0.3; }
}

.glowing-card {
    border-radius: 10px;
    border: 1px solid #2d3748;
    background-color: rgba(17, 24, 39, 0.7);
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.15);
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.glowing-card:hover {
    box-shadow: 0 0 40px rgba(79, 70, 229, 0.2);
    border-color: #4f46e5;
    transform: translateY(-5px);
}

/* Cards */
.benefit-card {
    padding: 1.75rem;
    border-radius: 10px;
    border: 1px solid #2d3748;
    background-color: rgba(17, 24, 39, 0.7);
    transition: box-shadow 0.3s, transform 0.3s, border-color 0.3s;
    backdrop-filter: blur(10px);
}

.benefit-card:hover {
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.2);
    transform: translateY(-5px);
    border-color: #3b82f6;
}

.icon-wrapper {
    background-color: #1f2937;
    width: 48px;
    height: 48px;
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    transition: background-color 0.3s;
    color: #3b82f6;
}

.benefit-card:hover .icon-wrapper {
    background-color: #3b82f6;
    color: #fff;
    animation: pulse-icon 1s ease-in-out;
}

@keyframes pulse-icon {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

/* Tabs */
.tabs {
    margin-top: 2rem;
    border: 1px solid #2d3748;
    border-radius: 8px;
    overflow: hidden;
    background-color: rgba(17, 24, 39, 0.7);
}

.tab-header {
    display: flex;
    background-color: #1f2937;
    border-bottom: 1px solid #2d3748;
}

.tab-btn {
    padding: 0.75rem 1.25rem;
    font-weight: 500;
    cursor: pointer;
    border: none;
    background: transparent;
    color: #9ca3af;
    transition: all 0.2s ease;
}

.tab-btn.active {
    color: #fff;
    border-bottom: 2px solid #3b82f6;
    background-color: #111827;
}

.tab-btn:hover:not(.active) {
    color: #d1d5db;
    background-color: #374151;
}

.tab-content {
    padding: 1.75rem;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
    animation: fadeIn 0.3s ease-in;
}

/* Code blocks */
.code-block {
    background-color: #0d1117;
    border-radius: 8px;
    overflow: auto;
    font-size: 0.9rem;
    border: 1px solid #30363d;
}

.code-block pre {
    margin: 0;
    padding: 1.25rem;
    color: #e6edf3;
    font-family: 'SF Mono', 'Menlo', 'Monaco', 'Courier New', monospace;
}

.code-inline {
    background-color: #1f2937;
    padding: 0.15rem 0.35rem;
    border-radius: 4px;
    font-family: 'SF Mono', 'Menlo', 'Monaco', 'Courier New', monospace;
    font-size: 0.9em;
    color: #3b82f6;
}

/* Form elements */
.form-input, .form-textarea, .form-select {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid #4b5563;
    border-radius: 6px;
    font-size: 0.9rem;
    background-color: #1f2937;
    color: #e5e7eb;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.25);
    outline: none;
}

.form-textarea {
    min-height: 80px;
    resize: vertical;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.75);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: #111827;
    border-radius: 12px;
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    overflow: auto;
    box-shadow: 0 4px 30px rgba(59, 130, 246, 0.15);
    border: 1px solid #2d3748;
}

.modal-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid #2d3748;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-body {
    padding: 1.5rem;
    max-height: 60vh;
    overflow: auto;
}

.modal-footer {
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    border-top: 1px solid #2d3748;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #9ca3af;
    transition: color 0.2s;
}

.modal-close:hover {
    color: #e5e7eb;
}

/* Typography */
.font-geist-mono {
    font-family: 'SF Mono', 'Menlo', 'Monaco', 'Courier New', monospace;
}

/* Code block syntax highlighting */
.language-json .string { color: #a5d6ff; }
.language-json .number { color: #79c0ff; }
.language-json .boolean { color: #79c0ff; }
.language-json .null { color: #79c0ff; }
.language-json .key { color: #d2a8ff; }

.language-javascript .keyword { color: #ff7b72; }
.language-javascript .string { color: #a5d6ff; }
.language-javascript .number { color: #79c0ff; }
.language-javascript .comment { color: #8b949e; }
.language-javascript .function { color: #d2a8ff; }

.language-python .keyword { color: #ff7b72; }
.language-python .string { color: #a5d6ff; }
.language-python .number { color: #79c0ff; }
.language-python .comment { color: #8b949e; }
.language-python .function { color: #d2a8ff; }

/* Use Case Cards */
.use-case {
    background-color: rgba(17, 24, 39, 0.7);
    border: 1px solid #2d3748;
    border-radius: 10px;
    backdrop-filter: blur(10px);
}

.chat-example {
    border: 1px solid #2d3748;
    border-radius: 8px;
    background-color: #1a202c;
    padding: 1rem;
}

.chat-message {
    padding: 0.75rem 1rem;
    margin-bottom: 0.75rem;
    border-radius: 8px;
}

.chat-message.user {
    background-color: #2a4365;
    align-self: flex-end;
    margin-left: 2rem;
}

.chat-message.ai {
    background-color: #2d3748;
    align-self: flex-start;
    margin-right: 2rem;
}

.chat-thinking {
    font-size: 0.85rem;
    color: #718096;
    padding: 0.5rem 1rem;
    margin: 0.5rem 0;
    border-left: 2px solid #3b82f6;
    font-style: italic;
}

.ai-report {
    background-color: #1f2937;
    border-radius: 6px;
    padding: 1rem;
    margin: 0.5rem 0;
    font-size: 0.95rem;
}

.ai-report h5 {
    color: #3b82f6;
    margin-top: 0.75rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.ai-report h5:first-child {
    margin-top: 0;
}

/* Subtle animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn 0.3s ease-in-out;
}

/* Interactive builder styles */
.param-item {
    display: flex;
    gap: 0.5rem;
}

.param-name {
    flex: 1;
}

.param-type {
    width: 100px;
}

.param-desc {
    flex: 2;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .section-title {
        font-size: 1.75rem;
    }
    
    .benefit-card {
        padding: 1.25rem;
    }
    
    .glowing-card {
        padding: 1rem;
    }
    
    .tab-header {
        flex-wrap: wrap;
    }
    
    .tab-btn {
        flex-grow: 1;
        text-align: center;
        padding: 0.5rem;
    }
}