/* ==================== */
/* CSS Variables */
/* ==================== */
:root {
    /* Colors */
    --velorum-blue: #0020C2;
    --velorum-deep: #001A99;
    --velorum-bright: #0029FF;
    --charcoal: #1A1A1A;
    --slate: #64748B;
    --light-gray: #F8FAFC;
    --white: #FFFFFF;
    --border-gray: #E2E8F0;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --container-max: 1200px;
    --section-padding: 6rem 2rem;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--charcoal);
    line-height: 1.6;
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

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

/* ==================== */
/* Container */
/* ==================== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 2rem;
}

/* ==================== */
/* Header */
/* ==================== */
.header {
    background: var(--white);
    border-bottom: 1px solid var(--border-gray);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 0;
}

.logo {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
}

.logo-text {
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--velorum-blue);
}

.logo-subtitle {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--slate);
    letter-spacing: 0.05em;
}

.nav {
    display: flex;
    gap: 2rem;
}

.nav a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--slate);
    position: relative;
}

.nav a:hover {
    color: var(--velorum-blue);
}

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

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

/* ==================== */
/* Hero Section */
/* ==================== */
.hero {
    background: linear-gradient(135deg, var(--velorum-deep) 0%, var(--velorum-blue) 100%);
    color: var(--white);
    padding: 8rem 2rem;
    text-align: center;
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2.5rem;
    font-weight: 400;
}

.cta-button {
    display: inline-block;
    background-color: var(--white);
    color: var(--velorum-blue);
    padding: 1rem 2.5rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 12px rgba(0, 0, 0, 0.15);
    background-color: var(--light-gray);
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 4rem;
    color: var(--charcoal);
    letter-spacing: -0.02em;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.product-card {
    background: var(--white);
    border-radius: 12px;
    padding: 2.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid var(--border-gray);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 32, 194, 0.1);
    border-color: var(--velorum-blue);
}

.product-logo {
    height: 60px;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
}

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

.product-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--charcoal);
    margin-bottom: 1rem;
}

.product-description {
    font-size: 1rem;
    color: var(--slate);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.feature-tag {
    background-color: rgba(0, 32, 194, 0.08);
    color: var(--velorum-blue);
    padding: 0.375rem 0.875rem;
    border-radius: 6px;
    font-size: 0.8125rem;
    font-weight: 500;
}

.product-link {
    color: var(--velorum-blue);
    font-weight: 600;
    font-size: 0.9375rem;
    display: inline-flex;
    align-items: center;
    margin-top: auto;
}

.product-link:hover {
    color: var(--velorum-bright);
}

.product-link.coming-soon {
    color: var(--slate);
    cursor: default;
    font-style: italic;
}

/* ==================== */
/* About Section */
/* ==================== */
.about {
    padding: var(--section-padding);
    background-color: var(--white);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-text {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--slate);
    margin-bottom: 1.5rem;
}

/* ==================== */
/* Contact Section */
/* ==================== */
.contact {
    padding: var(--section-padding);
    background-color: var(--light-gray);
}

.contact-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    max-width: 900px;
    margin: 0 auto;
}

.contact-info h3,
.contact-careers h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--charcoal);
    margin-bottom: 1rem;
}

.contact-item {
    margin-bottom: 1rem;
    color: var(--slate);
}

.contact-item strong {
    color: var(--charcoal);
    font-weight: 600;
}

.contact-item a,
.contact-careers p {
    color: var(--slate);
}

.contact-item a:hover {
    color: var(--velorum-blue);
}

.careers-link {
    display: inline-block;
    color: var(--velorum-blue);
    font-weight: 600;
    margin-top: 1rem;
}

.careers-link:hover {
    color: var(--velorum-bright);
}

/* ==================== */
/* Footer */
/* ==================== */
.footer {
    background-color: var(--charcoal);
    color: var(--white);
    padding: 3rem 2rem 2rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo .logo-text {
    color: var(--white);
}

.footer-logo .logo-subtitle {
    color: rgba(255, 255, 255, 0.6);
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9375rem;
    font-weight: 500;
}

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

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

/* ==================== */
/* Responsive Design */
/* ==================== */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .hero {
        padding: 5rem 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .nav {
        gap: 1.25rem;
    }
    
    .nav a {
        font-size: 0.875rem;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .logo-text {
        font-size: 1.5rem;
    }
    
    .logo-subtitle {
        font-size: 0.75rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .product-card {
        padding: 2rem;
    }
}