* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #ec4899;
    --accent: #14b8a6;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --dark-lighter: #334155;
    --gray: #64748b;
    --light: #f8fafc;
    --white: #ffffff;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--white);
    background: var(--dark);
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation with Logo */
.navbar {
    background: var(--dark);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    border-bottom: 1px solid rgba(99, 102, 241, 0.1);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.math-symbol {
    font-size: 32px;
    font-weight: bold;
    color: var(--white);
    font-family: 'Georgia', serif;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.brand-name {
    font-size: 20px;
    font-weight: 800;
    color: var(--white);
    letter-spacing: 0.5px;
}

.brand-tagline {
    font-size: 11px;
    font-weight: 500;
    color: var(--gray);
    letter-spacing: 1.5px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-menu a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: color 0.3s;
    position: relative;
}

.nav-menu a:hover {
    color: var(--primary);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s;
}

.nav-menu a:hover::after {
    width: 100%;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    color: var(--white);
    padding: 160px 0 100px;
    margin-top: 70px;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.15), transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(236, 72, 153, 0.15), transparent 50%);
    z-index: 0;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    background: rgba(99, 102, 241, 0.2);
    border: 1px solid rgba(99, 102, 241, 0.4);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--white);
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    font-weight: 800;
    max-width: 900px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.7;
    margin-bottom: 3rem;
    opacity: 0.9;
    max-width: 800px;
    color: #cbd5e1;
}

.hero-stats {
    display: flex;
    gap: 4rem;
    margin-bottom: 3rem;
}

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

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.95rem;
    color: #94a3b8;
    font-weight: 500;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
}

.cta-primary, .cta-secondary {
    padding: 16px 32px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s;
    display: inline-block;
}

.cta-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

.cta-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(99, 102, 241, 0.4);
}

.cta-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.cta-secondary:hover {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-label {
    display: inline-block;
    color: var(--primary);
    font-weight: 700;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 12px;
}

.section-header h2 {
    font-size: 2.75rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1.2;
}

.highlight {
    color: var(--primary);
}

/* About Section - FIXED: Now dark themed */
.about {
    padding: 100px 0;
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 80% 20%, rgba(99, 102, 241, 0.1), transparent 50%),
        radial-gradient(circle at 20% 80%, rgba(236, 72, 153, 0.1), transparent 50%);
    pointer-events: none;
}

.about .container {
    position: relative;
    z-index: 1;
}

.about-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.about-main h3 {
    font-size: 1.75rem;
    color: var(--white);
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.about-main p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #cbd5e1;
    margin-bottom: 1.5rem;
}

.about-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.value-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid rgba(99, 102, 241, 0.2);
    transition: all 0.3s;
}

.value-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(99, 102, 241, 0.4);
    transform: translateY(-4px);
}

.value-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
}

.value-card h4 {
    font-size: 1.15rem;
    color: var(--white);
    margin-bottom: 8px;
    font-weight: 700;
}

.value-card p {
    font-size: 0.95rem;
    color: #94a3b8;
    line-height: 1.6;
}

.disruption-block {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    padding: 3rem;
    border-radius: 16px;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.disruption-block h3 {
    font-size: 1.75rem;
    color: var(--white);
    margin-bottom: 2rem;
    font-weight: 700;
    text-align: center;
}

.disruption-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.disruption-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    font-size: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s;
}

.disruption-item:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(99, 102, 241, 0.3);
}

.disruption-item strong {
    color: var(--white);
}

.arrow {
    color: var(--primary);
    font-size: 1.5rem;
    font-weight: bold;
}

/* Services Section - FIXED: Now dark themed */
.services {
    padding: 100px 0;
    background: var(--dark);
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.08), transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(236, 72, 153, 0.08), transparent 50%);
    pointer-events: none;
}

.services .container {
    position: relative;
    z-index: 1;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 2rem;
}

.service-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s;
    position: relative;
}

.service-card:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(99, 102, 241, 0.4);
    box-shadow: 0 12px 32px rgba(0,0,0,0.3);
}

.service-card.featured {
    background: rgba(99, 102, 241, 0.1);
    border-color: rgba(99, 102, 241, 0.4);
}

.service-badge {
    position: absolute;
    top: -12px;
    right: 24px;
    background: var(--primary);
    color: var(--white);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.service-card h3 {
    font-size: 1.5rem;
    color: var(--white);
    margin-bottom: 1rem;
    font-weight: 700;
}

.service-card p {
    font-size: 1rem;
    line-height: 1.7;
    color: #cbd5e1;
    margin-bottom: 1.5rem;
}

.service-features {
    list-style: none;
    padding: 0;
}

.service-features li {
    padding: 8px 0 8px 28px;
    position: relative;
    font-size: 0.95rem;
    color: #94a3b8;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
    font-size: 1.1rem;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: var(--white);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 50% 50%, rgba(99, 102, 241, 0.1), transparent 50%);
    pointer-events: none;
}

.contact .container {
    position: relative;
    z-index: 1;
}

.contact .section-label {
    color: var(--primary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-left h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    font-weight: 800;
    color: var(--white);
}

.contact-left p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #cbd5e1;
    margin-bottom: 2rem;
}

.contact-cta-box {
    background: rgba(99, 102, 241, 0.1);
    border: 2px solid rgba(99, 102, 241, 0.3);
    padding: 2rem;
    border-radius: 12px;
    margin-top: 2rem;
}

.contact-cta-box h4 {
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: var(--white);
}

.contact-cta-box p {
    font-size: 1rem;
    color: #cbd5e1;
    margin: 0;
}

.contact-right {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s;
}

.contact-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateY(-4px);
}

.contact-icon {
    font-size: 2rem;
    margin-bottom: 12px;
}

.contact-card h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--white);
    font-weight: 700;
}

.contact-card p, .contact-card a {
    font-size: 1rem;
    color: #cbd5e1;
    text-decoration: none;
}

.contact-card a:hover {
    color: var(--primary);
}

/* Footer */
.footer {
    background: var(--dark);
    border-top: 1px solid rgba(99, 102, 241, 0.2);
    padding: 3rem 0 2rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.footer-brand p {
    color: var(--gray);
    margin-top: 12px;
    font-size: 14px;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: #cbd5e1;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: var(--gray);
    font-size: 14px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-menu {
        gap: 1rem;
        font-size: 14px;
    }
    
    .hero {
        padding: 120px 0 60px;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
    
    .logo-text .brand-name {
        font-size: 16px;
    }
    
    .logo-icon {
        width: 40px;
        height: 40px;
    }
    
    .math-symbol {
        font-size: 24px;
    }
}

/* Book Call Button */
.book-call-button {
    margin-top: 1.5rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
    border: none;
    padding: 14px 28px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
    width: 100%;
}

.book-call-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: var(--white);
    padding: 0;
    border-radius: 16px;
    max-width: 700px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: slideUp 0.4s;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.close-modal {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 32px;
    font-weight: bold;
    color: var(--gray);
    cursor: pointer;
    transition: color 0.3s;
    z-index: 1;
}

.close-modal:hover {
    color: var(--dark);
}

.modal-header {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
    padding: 2.5rem 2rem;
    border-radius: 16px 16px 0 0;
}

.modal-header h2 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.modal-header p {
    opacity: 0.9;
    font-size: 1rem;
}

/* Booking Form */
.booking-form {
    padding: 2rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--dark);
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 15px;
    font-family: inherit;
    transition: border-color 0.3s;
    background: var(--white);
    color: var(--dark);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.submit-btn {
    width: 100%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
    border: none;
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
    margin-top: 1rem;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.form-note {
    text-align: center;
    font-size: 0.85rem;
    color: var(--gray);
    margin-top: 1rem;
}

/* Success Message */
.success-message {
    padding: 3rem 2rem;
    text-align: center;
}

.success-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--accent), #10b981);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    margin: 0 auto 1.5rem;
    animation: scaleIn 0.5s;
}

@keyframes scaleIn {
    from {
        transform: scale(0);
    }
    to {
        transform: scale(1);
    }
}

.success-message h3 {
    font-size: 1.8rem;
    color: var(--dark);
    margin-bottom: 1rem;
    font-weight: 700;
}

.success-message p {
    font-size: 1.1rem;
    color: var(--gray);
    line-height: 1.7;
    margin-bottom: 2rem;
}

.close-success-btn {
    background: var(--primary);
    color: var(--white);
    border: none;
    padding: 12px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
}

.close-success-btn:hover {
    background: var(--primary-dark);
}

/* Mobile Responsive for Modal */
@media (max-width: 768px) {
    .modal-content {
        width: 95%;
        max-height: 95vh;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .modal-header {
        padding: 2rem 1.5rem;
    }
    
    .modal-header h2 {
        font-size: 1.5rem;
    }
    
    .booking-form {
        padding: 1.5rem;
    }
}