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

:root {
    --primary-color: #25D366;
    --secondary-color: #FF6B35;
    --accent-color: #1E40AF;
    --success-color: #10B981;
    --warning-color: #F59E0B;
    --error-color: #EF4444;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    --white: #FFFFFF;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--gray-900);
    background-color: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 4rem;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo {
    width: 2rem;
    height: 2rem;
    background: linear-gradient(135deg, var(--primary-color), #128C7E);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

.brand-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--gray-600);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.nav-cta {
    background: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.nav-cta:hover {
    background: #128C7E;
    transform: translateY(-1px);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 0.25rem;
}

.hamburger span {
    width: 1.5rem;
    height: 2px;
    background: var(--gray-700);
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    padding: 8rem 0 5rem;
    background: linear-gradient(135deg, #F0FDF4, #EFF6FF);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--gray-900);
}

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

.hero-description {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: 2rem;
    line-height: 1.6;
}

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

.btn {
    padding: 1rem 2rem;
    border-radius: 0.5rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: #128C7E;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    background: transparent;
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
}

.btn-white {
    background: white;
    color: var(--primary-color);
}

.btn-white:hover {
    background: var(--gray-50);
    transform: translateY(-2px);
}

.btn-outline {
    border: 2px solid white;
    color: white;
    background: transparent;
}

.btn-outline:hover {
    background: white;
    color: var(--primary-color);
}

.full-width {
    width: 100%;
    justify-content: center;
}

/* Dashboard Mockup */
.dashboard-mockup {
    background: white;
    border-radius: 1rem;
    box-shadow: var(--shadow-2xl);
    padding: 2rem;
    transform: rotate(3deg);
    transition: transform 0.5s ease;
}

.dashboard-mockup:hover {
    transform: rotate(0deg);
}

.mockup-header {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
}

.mockup-dots {
    display: flex;
    gap: 0.5rem;
}

.dot {
    width: 0.75rem;
    height: 0.75rem;
    border-radius: 50%;
}

.dot.red { background: var(--error-color); }
.dot.yellow { background: var(--warning-color); }
.dot.green { background: var(--success-color); }

.mockup-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.stat-card {
    padding: 1rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.stat-card.success {
    background: #DCFCE7;
    color: #166534;
}

.stat-card.info {
    background: #DBEAFE;
    color: #1E40AF;
}

.stat-card.warning {
    background: #FEF3C7;
    color: #92400E;
}

/* Problem Section */
.problem {
    padding: 5rem 0;
    background: var(--gray-50);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--gray-900);
}

.section-description {
    font-size: 1.25rem;
    color: var(--gray-600);
    max-width: 48rem;
    margin: 0 auto;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.problem-card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
}

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

.problem-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.problem-icon.red {
    background: #FEE2E2;
    color: var(--error-color);
}

.problem-icon.orange {
    background: #FED7AA;
    color: var(--secondary-color);
}

.problem-icon.yellow {
    background: #FEF3C7;
    color: var(--warning-color);
}

.problem-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--gray-900);
}

.problem-card p {
    color: var(--gray-600);
}

/* Solution Section */
.solution {
    padding: 5rem 0;
    background: white;
}

.solution-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.features-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 2rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.feature-icon {
    width: 2rem;
    height: 2rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.feature-icon.green {
    background: #DCFCE7;
    color: var(--primary-color);
}

.feature-icon.blue {
    background: #DBEAFE;
    color: var(--accent-color);
}

.feature-icon.purple {
    background: #E9D5FF;
    color: #7C3AED;
}

.feature-content h3 {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--gray-900);
}

.feature-content p {
    color: var(--gray-600);
}

/* Dashboard Preview */
.dashboard-preview {
    background: linear-gradient(135deg, #DCFCE7, #DBEAFE);
    border-radius: 1rem;
    padding: 2rem;
}

.preview-header {
    background: white;
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.preview-header h4 {
    font-weight: 600;
    color: var(--gray-900);
}

.preview-dots {
    display: flex;
    gap: 0.25rem;
}

.preview-content {
    background: white;
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.campaign-card {
    padding: 0.75rem;
    border-radius: 0.5rem;
}

.campaign-card.active {
    background: #F0FDF4;
}

.campaign-card.scheduled {
    background: #EFF6FF;
}

.campaign-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.25rem;
}

.campaign-name {
    font-size: 0.875rem;
    font-weight: 500;
}

.campaign-card.active .campaign-name {
    color: #166534;
}

.campaign-card.scheduled .campaign-name {
    color: #1E40AF;
}

.campaign-status {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-weight: 500;
}

.campaign-status.active {
    background: #BBF7D0;
    color: #166534;
}

.campaign-status.scheduled {
    background: #BFDBFE;
    color: #1E40AF;
}

.campaign-stats {
    font-size: 0.75rem;
    margin-top: 0.25rem;
}

.campaign-card.active .campaign-stats {
    color: #16A34A;
}

.campaign-card.scheduled .campaign-stats {
    color: #2563EB;
}

/* Audience Section */
.audience {
    padding: 5rem 0;
    background: var(--gray-50);
}

.audience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.audience-card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-lg);
    text-align: center;
    transition: all 0.3s ease;
}

.audience-card:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.audience-card i {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.audience-card:nth-child(2) i { color: var(--accent-color); }
.audience-card:nth-child(3) i { color: #7C3AED; }
.audience-card:nth-child(4) i { color: var(--secondary-color); }
.audience-card:nth-child(5) i { color: var(--error-color); }
.audience-card:nth-child(6) i { color: #0D9488; }

.audience-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--gray-900);
}

.audience-card p {
    color: var(--gray-600);
}

/* Differentials Section */
.differentials {
    padding: 5rem 0;
    background: white;
}

.differentials-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.differential-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.differential-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1.5rem;
}

.differential-icon.green {
    background: #DCFCE7;
    color: var(--primary-color);
}

.differential-icon.blue {
    background: #DBEAFE;
    color: var(--accent-color);
}

.differential-icon.purple {
    background: #E9D5FF;
    color: #7C3AED;
}

.differential-icon.orange {
    background: #FED7AA;
    color: var(--secondary-color);
}

.differential-icon.red {
    background: #FEE2E2;
    color: var(--error-color);
}

.differential-icon.teal {
    background: #CCFBF1;
    color: #0D9488;
}

.differential-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--gray-900);
}

.differential-content p {
    color: var(--gray-600);
}

/* CTA Section */
.cta {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
}

.cta-content {
    text-align: center;
    max-width: 64rem;
    margin: 0 auto;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1.5rem;
}

.cta-description {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2.5rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Contact Section */
.contact {
    padding: 5rem 0;
    background: var(--gray-50);
}

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

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 2rem;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.contact-icon.green {
    background: #DCFCE7;
    color: var(--primary-color);
}

.contact-icon.blue {
    background: #DBEAFE;
    color: var(--accent-color);
}

.contact-icon.purple {
    background: #E9D5FF;
    color: #7C3AED;
}

.contact-details h3 {
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.contact-details p {
    color: var(--gray-600);
}

/* Contact Form */
.contact-form-container {
    background: white;
    border-radius: 1rem;
    box-shadow: var(--shadow-xl);
    padding: 2rem;
}

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

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
    padding: 0.75rem 1rem;
    border: 1px solid var(--gray-300);
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.1);
}

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

/* Footer */
.footer {
    background: var(--gray-900);
    color: white;
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.footer-description {
    color: var(--gray-400);
    margin-bottom: 1.5rem;
    max-width: 24rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 2.5rem;
    height: 2.5rem;
    background: var(--gray-800);
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
}

.footer-links h3,
.footer-contact h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-links a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-contact-info {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    color: var(--gray-400);
}

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: 1.5rem;
    text-align: center;
    color: var(--gray-400);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 1rem;
        box-shadow: var(--shadow-lg);
        gap: 1rem;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .solution-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .differentials-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 0.75rem;
    }
    
    .hero {
        padding: 6rem 0 3rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .cta-title {
        font-size: 2rem;
    }
    
    .problem-grid,
    .audience-grid {
        grid-template-columns: 1fr;
    }
    
    .btn {
        padding: 0.875rem 1.5rem;
    }
}