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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #1a1b3a;
    background-color: #ffffff;
}

/* Color Variables */
:root {
    --midnight-navy: #1a1b3a;
    --electric-teal: #00d4aa;
    --light-gray: #f8f9fa;
    --medium-gray: #6c757d;
    --white: #ffffff;
    --shadow-light: 0 2px 10px rgba(26, 27, 58, 0.1);
    --shadow-medium: 0 4px 20px rgba(26, 27, 58, 0.15);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--midnight-navy);
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; line-height: 1.2; }
h2 { font-size: 2rem; line-height: 1.3; }
h3 { font-size: 1.5rem; line-height: 1.4; }
h4 { font-size: 1.25rem; line-height: 1.4; }

p {
    margin-bottom: 1rem;
    color: var(--medium-gray);
    font-size: 1.1rem;
}

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

/* Sections */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
    font-size: 2.5rem;
    color: var(--midnight-navy);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--midnight-navy) 0%, #2a2b4a 100%);
    color: var(--white);
    padding: 60px 0 100px 0;
}

.hero-header {
    margin-bottom: 60px;
}

.logo-section {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.logo {
    width: 60px;
    height: 60px;
}

.brand-name {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--electric-teal);
    margin: 0;
}

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

.hero-title {
    font-size: 3.5rem;
    color: var(--white);
    margin-bottom: 20px;
    font-weight: 700;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
    line-height: 1.6;
}

/* Buttons */
.cta-button {
    display: inline-block;
    padding: 16px 32px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.cta-button.primary {
    background-color: var(--electric-teal);
    color: var(--white);
}

.cta-button.primary:hover {
    background-color: #00b894;
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

/* Overview Section */
.overview {
    background-color: var(--light-gray);
}

.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.overview-item {
    text-align: center;
    background: var(--white);
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: var(--shadow-light);
}

.overview-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
}

.overview-item h3 {
    color: var(--midnight-navy);
    margin-bottom: 15px;
}

/* Features Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: var(--shadow-light);
    text-align: center;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.feature-card:hover {
    border-color: var(--electric-teal);
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.feature-icon {
    width: 70px;
    height: 70px;
    margin-bottom: 20px;
}

/* Dashboard Preview Section */
.dashboard-preview {
    background-color: var(--light-gray);
}

.preview-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.preview-features {
    list-style: none;
    margin-top: 30px;
}

.preview-features li {
    padding: 10px 0;
    padding-left: 25px;
    position: relative;
    color: var(--medium-gray);
    font-size: 1.1rem;
}

.preview-features li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--electric-teal);
    font-weight: bold;
}

/* Image Placeholders */
/* Modern Image Styles */
.dashboard-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: var(--shadow-medium);
    transition: transform 0.3s ease;
}

.dashboard-image:hover {
    transform: translateY(-5px);
}

.analytics-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    margin-top: 20px;
    box-shadow: var(--shadow-light);
}

.security-main-image {
    width: 100%;
    height: 350px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: var(--shadow-medium);
}

/* Analytics Section */
.analytics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.analytics-item {
    background: var(--white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow-light);
}

.analytics-item h3 {
    color: var(--midnight-navy);
    margin-bottom: 15px;
}

/* Security Section */
.security {
    background-color: var(--light-gray);
}

.security-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.security-features {
    margin-top: 30px;
}

.security-feature {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 25px;
}

.security-icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
}

.security-feature h4 {
    margin-bottom: 5px;
    color: var(--midnight-navy);
}

.security-feature p {
    margin: 0;
    font-size: 1rem;
}

/* Products Section */
.products {
    background-color: var(--light-gray);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.product-card {
    background: var(--white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow-light);
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.product-card:hover {
    border-color: var(--electric-teal);
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.product-card h3 {
    color: var(--midnight-navy);
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.product-features {
    list-style: none;
    margin: 20px 0 30px 0;
}

.product-features li {
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
    color: var(--medium-gray);
}

.product-features li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--electric-teal);
    font-weight: bold;
}

.product-cta {
    display: inline-block;
    background-color: var(--midnight-navy);
    color: var(--white);
    padding: 12px 24px;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.product-cta:hover {
    background-color: var(--electric-teal);
    transform: translateY(-2px);
}

/* Why Choose Section */
.choose-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.choose-item {
    text-align: center;
    padding: 40px 30px;
}

.choose-number {
    width: 80px;
    height: 80px;
    background-color: var(--electric-teal);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    margin: 0 auto 20px auto;
}

.choose-item h3 {
    margin-bottom: 15px;
}

/* Contacts Section */
.contacts {
    background-color: var(--light-gray);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.contact-item {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: var(--shadow-light);
    text-align: center;
}

.contact-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 20px;
}

.contact-item h3 {
    margin-bottom: 15px;
    color: var(--midnight-navy);
}

.contact-item a {
    color: var(--electric-teal);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
}

.contact-item a:hover {
    color: var(--midnight-navy);
}

.contact-item address {
    font-style: normal;
    color: var(--medium-gray);
    font-size: 1.1rem;
    line-height: 1.6;
}

.contact-cta {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid #e9ecef;
}

.contact-cta p {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--midnight-navy);
}

/* Footer */
.footer {
    background-color: var(--midnight-navy);
    color: var(--white);
    padding: 60px 0 40px 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    align-items: center;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 15px;
}

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

.footer-brand-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--electric-teal);
}

.footer-info p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 10px;
    font-size: 1rem;
}

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

.footer-contact p {
    margin-bottom: 10px;
    font-size: 1rem;
}

.footer-contact a {
    color: var(--electric-teal);
    text-decoration: none;
}

.footer-contact a:hover {
    color: var(--white);
}

/* Footer Links */
.footer-links {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.3s ease;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .brand-name {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .preview-content,
    .security-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-contact {
        text-align: center;
    }
    
    .footer-links {
        text-align: center;
    }
    
    .logo-section {
        flex-direction: column;
        gap: 10px;
    }
    
    .logo {
        width: 50px;
        height: 50px;
    }
}

@media (max-width: 480px) {
    section {
        padding: 60px 0;
    }
    
    .hero {
        padding: 40px 0 80px 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .overview-grid,
    .features-grid,
    .products-grid {
        grid-template-columns: 1fr;
    }
}