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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Color System */
:root {
    --primary-color: #1a237e;
    --secondary-color: #2196f3;
    --accent-color: #ff9800;
    --success-color: #4caf50;
    --warning-color: #ff9800;
    --error-color: #f44336;
    --neutral-100: #f8f9fa;
    --neutral-200: #e9ecef;
    --neutral-300: #dee2e6;
    --neutral-400: #ced4da;
    --neutral-500: #6c757d;
    --neutral-600: #495057;
    --neutral-700: #343a40;
    --neutral-800: #212529;
    --neutral-900: #000000;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 16px;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    line-height: 1.5;
    margin-bottom: 16px;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 80px 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-header {
    margin-bottom: 48px;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
}

.logo {
    width: 64px;
    height: 64px;
}

.brand-name {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 24px;
    font-weight: 700;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 32px;
    opacity: 0.9;
}

.cta-button {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 16px 32px;
    font-size: 1.125rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.cta-button:hover {
    background-color: #e68900;
}

/* Section Styles */
.section {
    padding: 80px 0;
}

.section:nth-child(even) {
    background-color: var(--neutral-100);
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 24px;
}

.section h2 {
    color: var(--primary-color);
    margin-bottom: 16px;
}

.section p {
    font-size: 1.125rem;
    color: var(--neutral-600);
    max-width: 600px;
    margin: 0 auto;
}

/* Image Placeholders */
.image-placeholder {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    margin-top: 32px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.image-placeholder:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.image-placeholder img {
    width: 100%;
    height: auto;
    display: block;
}

/* Products Section */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    margin-top: 48px;
}

.product-card {
    background: white;
    border-radius: 12px;
    padding: 32px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.product-card h3, .product-card h4 {
    color: var(--primary-color);
    margin-bottom: 16px;
}

.product-card p {
    color: var(--neutral-600);
    margin-bottom: 24px;
}

.product-cta {
    background-color: var(--secondary-color);
    color: white;
    border: none;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.product-cta:hover {
    background-color: #1976d2;
}

/* Benefits Section */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
    margin-top: 48px;
}

.benefit-item {
    text-align: center;
    padding: 24px;
}

.benefit-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 16px;
}

.benefit-item h4 {
    color: var(--primary-color);
    margin-bottom: 12px;
}

.benefit-item p {
    color: var(--neutral-600);
    font-size: 1rem;
}

/* Contacts Section */
.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-top: 48px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.contact-icon {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
}

.contact-details h4 {
    color: var(--primary-color);
    margin-bottom: 8px;
    font-size: 1rem;
}

.contact-details p {
    color: var(--neutral-600);
    margin: 0;
    font-size: 1rem;
}

/* Executive Contact Form */
.contact-form-section {
    background: var(--neutral-100);
    padding: 40px;
    border-radius: 12px;
    margin-bottom: 48px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.contact-form-section h3 {
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 32px;
    font-size: 1.5rem;
}

.executive-form {
    max-width: 800px;
    margin: 0 auto;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 24px;
}

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

.form-group label {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 2px solid var(--neutral-300);
    border-radius: 6px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.1);
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: var(--error-color);
}

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

.form-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-top: 32px;
}

.form-submit-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 14px 32px;
    font-size: 1.125rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.form-submit-btn:hover {
    background-color: #0d47a1;
}

.form-call-btn {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 14px 32px;
    font-size: 1.125rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.form-call-btn:hover {
    background-color: #e68900;
}

.field-error {
    color: var(--error-color);
    font-size: 0.875rem;
    margin-top: 4px;
    font-weight: 500;
}

.form-success {
    background: var(--success-color);
    color: white;
    padding: 24px;
    border-radius: 8px;
    margin-bottom: 24px;
    text-align: center;
}

.form-success h4 {
    margin: 0 0 8px 0;
    font-size: 1.25rem;
}

.form-success p {
    margin: 0;
    opacity: 0.9;
}

/* Footer */
.footer {
    background-color: var(--primary-color);
    color: white;
    padding: 40px 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px;
}

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

.footer-logo {
    width: 40px;
    height: 40px;
}

.footer-brand-name {
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-links {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.footer-links a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    padding: 8px 12px;
    border-radius: 4px;
    transition: background-color 0.3s ease;
}

.footer-links a:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.footer-info {
    text-align: right;
}

.footer-info p {
    margin: 0;
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .brand-name {
        font-size: 2rem;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-info {
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 60px 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .logo-section {
        flex-direction: column;
        text-align: center;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .contact-form-section {
        padding: 24px;
    }
    
    .form-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 12px;
    }
}