:root {
    --ai-primary: #6366f1;
    --ai-secondary: #06b6d4;
    --ai-accent: #f59e0b;
    --ai-dark: #0f172a;
    --ai-dark-card: #1e293b;
    --ai-gradient: linear-gradient(135deg, #6366f1, #8b5cf6, #a78bfa);
    --ai-gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e1b4b 40%, #312e81 70%, #1e1b4b 100%);
    --ai-gradient-cta: linear-gradient(135deg, #6366f1, #06b6d4);
    --ai-glow: 0 0 40px rgba(99, 102, 241, 0.3);
    --ai-radius: 16px;
}

.hero-ai {
    background: var(--ai-gradient-hero);
    border-radius: var(--ai-radius);
    padding: 5rem 3rem;
    margin-bottom: 3rem;
    color: #fff;
    position: relative;
    overflow: hidden;
    text-align: center;
}

.hero-ai::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
    top: -200px;
    right: -150px;
    animation: pulse-glow 4s ease-in-out infinite;
}

.hero-ai::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(6, 182, 212, 0.1) 0%, transparent 70%);
    bottom: -150px;
    left: -100px;
    animation: pulse-glow 5s ease-in-out infinite 1s;
}

@keyframes pulse-glow {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.2); opacity: 1; }
}

.hero-ai .hero-badge {
    display: inline-block;
    background: rgba(245, 158, 11, 0.2);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: #fbbf24;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
}

.hero-ai h1 {
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
    letter-spacing: -0.02em;
}

.hero-ai h1 .highlight {
    background: var(--ai-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-ai p {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.75);
    max-width: 680px;
    margin: 0 auto 2rem;
    position: relative;
    z-index: 1;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.btn-ai {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
}

.btn-ai-primary {
    background: var(--ai-gradient-cta);
    color: #fff;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.btn-ai-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.5);
    color: #fff;
}

.btn-ai-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(8px);
}

.btn-ai-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    color: #fff;
}

.section-ai-title {
    text-align: center;
    margin-bottom: 2.5rem;
}

.section-ai-title h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.5rem;
}

.section-ai-title p {
    color: var(--text-secondary);
    font-size: 1rem;
    max-width: 600px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.service-card {
    background: var(--bg-card);
    border-radius: var(--ai-radius);
    padding: 2rem 1.5rem;
    border: 1px solid var(--border);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
}

.service-card.tier-entry::before { background: var(--ai-secondary); }
.service-card.tier-standard::before { background: var(--ai-primary); }
.service-card.tier-premium::before { background: #8b5cf6; }
.service-card.tier-membership::before { background: var(--ai-accent); }

.service-card .card-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.tier-entry .card-icon { background: rgba(6, 182, 212, 0.1); color: var(--ai-secondary); }
.tier-standard .card-icon { background: rgba(99, 102, 241, 0.1); color: var(--ai-primary); }
.tier-premium .card-icon { background: rgba(139, 92, 246, 0.1); color: #8b5cf6; }
.tier-membership .card-icon { background: rgba(245, 158, 11, 0.1); color: var(--ai-accent); }

.service-card .tier-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.tier-entry .tier-label { color: var(--ai-secondary); }
.tier-standard .tier-label { color: var(--ai-primary); }
.tier-premium .tier-label { color: #8b5cf6; }
.tier-membership .tier-label { color: var(--ai-accent); }

.service-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
    color: var(--text);
}

.service-card .price {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 1rem;
}

.service-card .price small {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-light);
}

.service-card .features {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem;
    flex: 1;
}

.service-card .features li {
    padding: 6px 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.service-card .features li::before {
    content: '✓';
    font-weight: 700;
    color: #10b981;
}

.service-card .btn {
    width: 100%;
    text-align: center;
    padding: 12px;
    border-radius: 10px;
    font-weight: 600;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.advantage-card {
    background: var(--bg-card);
    border-radius: var(--ai-radius);
    padding: 2rem;
    text-align: center;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.advantage-card:hover {
    border-color: var(--ai-primary);
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.08);
}

.advantage-card .adv-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.advantage-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.advantage-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.industry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
    margin-bottom: 3rem;
}

.industry-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.25rem 1rem;
    text-align: center;
    transition: all 0.3s ease;
    cursor: default;
}

.industry-item:hover {
    border-color: var(--ai-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.industry-item .ind-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.industry-item .ind-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text);
}

.cta-section {
    background: var(--ai-gradient-cta);
    border-radius: var(--ai-radius);
    padding: 3.5rem 2rem;
    text-align: center;
    color: #fff;
    margin-bottom: 2rem;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}

.cta-section h2 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    position: relative;
    z-index: 1;
}

.cta-section p {
    opacity: 0.9;
    margin-bottom: 1.5rem;
    font-size: 1rem;
    position: relative;
    z-index: 1;
}

.cta-section .btn {
    background: #fff;
    color: var(--ai-primary);
    padding: 14px 36px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 1rem;
}

.cta-section .btn:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.case-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.case-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.case-card .case-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: var(--ai-gradient-hero);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.3);
    font-size: 3rem;
}

.case-card .case-body {
    padding: 1.25rem 1.5rem 1.5rem;
}

.case-card .case-industry {
    display: inline-block;
    background: rgba(99, 102, 241, 0.08);
    color: var(--ai-primary);
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.case-card h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
}

.case-card p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.stats-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 3rem;
    background: var(--bg-card);
    border-radius: var(--ai-radius);
    padding: 2rem;
    border: 1px solid var(--border);
}

.stat-item {
    text-align: center;
}

.stat-item .stat-number {
    font-size: 2rem;
    font-weight: 800;
    background: var(--ai-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-item .stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.service-page-header {
    background: var(--ai-gradient-hero);
    border-radius: var(--ai-radius);
    padding: 3rem;
    color: #fff;
    margin-bottom: 2rem;
}

.service-page-header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.service-page-header p {
    opacity: 0.8;
    font-size: 1rem;
    max-width: 600px;
}

.pricing-table {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0 3rem;
}

.pricing-card {
    background: var(--bg-card);
    border-radius: var(--ai-radius);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
}

.pricing-card.featured {
    border-color: var(--ai-primary);
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.15);
    transform: scale(1.03);
}

.pricing-card.featured .pricing-badge {
    background: var(--ai-primary);
    color: #fff;
    text-align: center;
    padding: 6px;
    font-size: 0.8rem;
    font-weight: 700;
}

.pricing-card .pricing-header {
    padding: 1.5rem;
    text-align: center;
    border-bottom: 1px solid var(--border);
}

.pricing-card .pricing-header h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.pricing-card .pricing-header .price {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--text);
}

.pricing-card .pricing-header .price small {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-light);
}

.pricing-card .pricing-body {
    padding: 1.5rem;
}

.pricing-card .pricing-body ul {
    list-style: none;
    padding: 0;
}

.pricing-card .pricing-body li {
    padding: 8px 0;
    font-size: 0.9rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.pricing-card .pricing-body li::before {
    content: '✓';
    font-weight: 700;
    color: #10b981;
}

.pricing-card .pricing-footer {
    padding: 0 1.5rem 1.5rem;
}

.pricing-card .pricing-footer .btn {
    width: 100%;
    text-align: center;
}

.consult-form {
    background: var(--bg-card);
    border-radius: var(--ai-radius);
    padding: 2.5rem;
    border: 1px solid var(--border);
    max-width: 640px;
    margin: 0 auto;
}

.consult-form .form-group {
    margin-bottom: 1.25rem;
}

.consult-form label {
    display: block;
    margin-bottom: 0.4rem;
    font-weight: 600;
    font-size: 0.9rem;
}

.consult-form input,
.consult-form select,
.consult-form textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    background: var(--bg);
    font-family: inherit;
}

.consult-form input:focus,
.consult-form select:focus,
.consult-form textarea:focus {
    outline: none;
    border-color: var(--ai-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
}

.consult-form textarea {
    min-height: 120px;
    resize: vertical;
}

.client-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin: 2rem 0 3rem;
    opacity: 0.5;
}

.client-logo {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-light);
    white-space: nowrap;
}

@media (max-width: 768px) {
    .hero-ai {
        padding: 3rem 1.5rem;
    }
    .hero-ai h1 {
        font-size: 1.8rem;
    }
    .services-grid {
        grid-template-columns: 1fr;
    }
    .pricing-card.featured {
        transform: none;
    }
    .stats-bar {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .hero-ai h1 {
        font-size: 1.5rem;
    }
    .hero-actions {
        flex-direction: column;
    }
    .btn-ai {
        width: 100%;
        justify-content: center;
    }
}