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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #1e293b;
    background-color: #ffffff;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
}

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: #0f4c75;
    color: white;
    padding: 8px;
    z-index: 1000;
    border-radius: 4px;
    font-weight: bold;
}

.skip-link:focus {
    top: 6px;
}

/* Focus styles */
*:focus {
    outline: 2px solid #3b82f6;
    outline-offset: 2px;
}

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

/* Color Variables - Tech Theme */
:root {
    --primary-blue: #0f4c75;
    --secondary-blue: #3b82f6;
    --accent-cyan: #06b6d4;
    --light-gray: #f8fafc;
    --medium-gray: #64748b;
    --dark-gray: #334155;
    --graphite: #1e293b;
    --white: #ffffff;
    --text-color: #1e293b;
    --success-green: #10b981;
    --warning-amber: #f59e0b;
    --error-red: #ef4444;
    --shadow-light: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-large: 0 10px 15px rgba(0, 0, 0, 0.1);
    --gradient-primary: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    --gradient-accent: linear-gradient(135deg, var(--secondary-blue) 0%, var(--accent-cyan) 100%);
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--graphite);
    color: var(--white);
    padding: 1rem;
    z-index: 1000;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.cookie-banner.show {
    transform: translateY(0);
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.cookie-content p {
    flex: 1;
    margin: 0;
}

.cookie-content a {
    color: var(--accent-cyan);
    text-decoration: underline;
}

.cookie-buttons {
    display: flex;
    gap: 0.5rem;
}

.btn-accept, .btn-manage {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    font-size: 0.875rem;
}

.btn-accept {
    background: var(--success-green);
    color: var(--white);
}

.btn-accept:hover, .btn-accept:focus {
    background: #059669;
}

.btn-manage {
    background: transparent;
    color: var(--white);
    border: 1px solid var(--white);
}

.btn-manage:hover, .btn-manage:focus {
    background: var(--white);
    color: var(--graphite);
}

/* Header */
.header {
    background: var(--white);
    box-shadow: var(--shadow-light);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid #e2e8f0;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

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

/* Navigation */
.main-nav {
    position: relative;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 4px;
    padding: 8px;
}

.hamburger {
    width: 25px;
    height: 3px;
    background: var(--primary-blue);
    transition: all 0.3s ease;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    color: var(--text-color);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-menu a:hover, .nav-menu a:focus {
    background: var(--light-gray);
    color: var(--primary-blue);
}

.nav-menu a[aria-current="page"] {
    background: var(--gradient-primary);
    color: var(--white);
}

/* Hero Section */
.hero {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 6rem 0;
    min-height: 80vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    background: linear-gradient(45deg, #ffffff, #e0f2fe);
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    line-height: 1.6;
}

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

.cta-button {
    display: inline-flex;
    align-items: center;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.cta-button.primary {
    background: var(--accent-cyan);
    color: var(--white);
    box-shadow: var(--shadow-medium);
}

.cta-button.primary:hover, .cta-button.primary:focus {
    background: #0891b2;
    transform: translateY(-2px);
    box-shadow: var(--shadow-large);
}

.cta-button.secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.cta-button.secondary:hover, .cta-button.secondary:focus {
    background: var(--white);
    color: var(--primary-blue);
}

.hero-visual {
    position: relative;
}

.hero-visual img {
    border-radius: 12px;
    box-shadow: var(--shadow-large);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Section Styles */
section {
    padding: 5rem 0;
}

section:nth-child(even) {
    background: var(--light-gray);
}

h2 {
    font-size: 2.75rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-blue);
    position: relative;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-accent);
    border-radius: 2px;
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-color);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--white);
    padding: 2.5rem 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-light);
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-accent);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-large);
}

.feature-icon {
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: center;
}

.feature-icon img {
    width: 64px;
    height: 64px;
    filter: hue-rotate(200deg) saturate(1.2);
}

/* Platform Overview */
.platform-overview .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.platform-text h2 {
    text-align: left;
}

.platform-text h2::after {
    left: 0;
    transform: none;
}

.platform-benefits {
    margin-top: 2rem;
}

.benefit-item {
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--light-gray);
    border-radius: 8px;
    border-left: 4px solid var(--secondary-blue);
}

.benefit-item h4 {
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

/* Tech Stack */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.tech-category {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-light);
    border: 1px solid #e2e8f0;
}

.tech-category h3 {
    color: var(--primary-blue);
    margin-bottom: 1.5rem;
    text-align: center;
}

.tech-category ul {
    list-style: none;
}

.tech-category li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.tech-category li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-cyan);
    font-weight: bold;
}

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

.product-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-light);
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

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

.product-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.product-header img {
    width: 48px;
    height: 48px;
    filter: hue-rotate(200deg);
}

.product-features {
    list-style: none;
    margin-top: 1.5rem;
}

.product-features li {
    padding: 0.25rem 0;
    position: relative;
    padding-left: 1.25rem;
    font-size: 0.875rem;
    color: var(--medium-gray);
}

.product-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-green);
    font-weight: bold;
}

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

.story-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-light);
    border: 1px solid #e2e8f0;
}

.story-metrics {
    display: flex;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.metric {
    text-align: center;
}

.metric-value {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--secondary-blue);
}

.metric-label {
    display: block;
    font-size: 0.875rem;
    color: var(--medium-gray);
}

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

.testimonial {
    background: var(--white);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-light);
    border-left: 4px solid var(--secondary-blue);
    font-style: italic;
}

.testimonial p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.6;
}

.testimonial cite {
    font-style: normal;
    color: var(--medium-gray);
}

.testimonial strong {
    color: var(--primary-blue);
    font-weight: 600;
}

/* FAQ */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    margin-bottom: 1rem;
    border-radius: 12px;
    box-shadow: var(--shadow-light);
    overflow: hidden;
    border: 1px solid #e2e8f0;
}

.faq-item summary {
    background: var(--primary-blue);
    color: var(--white);
    padding: 1.5rem;
    cursor: pointer;
    font-weight: 600;
    list-style: none;
    transition: background 0.3s ease;
}

.faq-item summary:hover, .faq-item summary:focus {
    background: var(--secondary-blue);
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: '+';
    float: right;
    font-size: 1.5rem;
    font-weight: bold;
    transition: transform 0.3s ease;
}

.faq-item[open] summary::after {
    transform: rotate(45deg);
}

.faq-item p {
    padding: 1.5rem;
    line-height: 1.6;
}

/* Blog Preview */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.blog-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
}

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

.blog-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.blog-content {
    padding: 1.5rem;
}

.blog-content h3 a {
    color: var(--primary-blue);
    font-weight: 600;
    text-decoration: none;
}

.blog-content h3 a:hover, .blog-content h3 a:focus {
    text-decoration: underline;
}

.blog-content p {
    color: var(--medium-gray);
    margin: 1rem 0;
    line-height: 1.5;
}

.blog-content time {
    color: var(--medium-gray);
    font-size: 0.875rem;
    font-weight: 500;
}

.blog-cta {
    text-align: center;
}

.btn-secondary {
    display: inline-block;
    background: transparent;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
}

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

/* Final CTA */
.final-cta {
    background: var(--gradient-primary);
    color: var(--white);
    text-align: center;
}

.final-cta h2 {
    color: var(--white);
    margin-bottom: 1.5rem;
}

.final-cta h2::after {
    background: var(--white);
}

.final-cta p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

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

/* Footer */
.footer {
    background: var(--graphite);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: var(--white);
    margin-bottom: 1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #cbd5e1;
    transition: color 0.3s ease;
}

.footer-section a:hover, .footer-section a:focus {
    color: var(--accent-cyan);
}

.footer-logo img {
    filter: brightness(0) invert(1);
    margin-bottom: 1rem;
}

.footer-bottom {
    border-top: 1px solid #475569;
    padding-top: 1rem;
}

.footer-legal {
    text-align: center;
}

.footer-legal p {
    margin-bottom: 1rem;
    font-size: 0.875rem;
    color: #cbd5e1;
}

.footer-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-links a {
    color: #cbd5e1;
    font-size: 0.875rem;
    text-decoration: underline;
}

.footer-links a:hover, .footer-links a:focus {
    color: var(--accent-cyan);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 1rem;
        box-shadow: var(--shadow-medium);
        transform: translateY(-100vh);
        transition: transform 0.3s ease;
        gap: 0;
    }
    
    .nav-menu.show {
        transform: translateY(0);
    }
    
    .nav-menu li {
        width: 100%;
    }
    
    .nav-menu a {
        display: block;
        padding: 1rem;
        border-bottom: 1px solid var(--light-gray);
    }
    
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .platform-overview .container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    section {
        padding: 3rem 0;
    }
    
    .hero {
        padding: 3rem 0;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .features-grid,
    .products-grid,
    .stories-grid,
    .testimonials-grid,
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-card,
    .product-card,
    .story-card,
    .testimonial {
        padding: 1.5rem;
    }
    
    .tech-grid {
        grid-template-columns: 1fr;
    }
    
    .story-metrics {
        justify-content: center;
    }
}