/* ===================================
   Modern Styles for G8 Enterprises
   =================================== */

:root {
    /* Modern Color Palette - G8 Branding */
    --primary-blue: #00c4f9;
    --primary-dark: #0099cc;
    --accent-orange: #FF6B35;
    --dark-navy: #1A1A2E;
    --light-gray: #F5F7FA;
    --medium-gray: #E5E7EB;
    --text-dark: #1F2937;
    --text-medium: #6B7280;
    --success-green: #10B981;
    --white: #FFFFFF;
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 14px;
    --font-size-lg: 18px;
    --font-size-xl: 24px;
    --font-size-2xl: 32px;
    --font-size-3xl: 48px;
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

/* ===================================
   Global Resets & Base Styles
   =================================== */

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-dark);
    background: linear-gradient(135deg, var(--dark-navy) 0%, #0a0a15 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow-x: hidden;
}

/* ===================================
   Container Styles
   =================================== */

.container-modern {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-lg);
    text-align: center;
}

/* ===================================
   Logo Section
   =================================== */

.logo-section {
    margin-bottom: var(--spacing-2xl);
    animation: fadeInDown 0.8s ease-out;
}

.logo-section img {
    max-width: 300px;
    height: auto;
    filter: drop-shadow(0 10px 20px rgba(0, 196, 249, 0.3));
    transition: transform var(--transition-base);
}

.logo-section img:hover {
    transform: scale(1.05);
}

/* ===================================
   Company Links Grid
   =================================== */

.companies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1000px;
    margin: 0 auto;
}

.company-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(0, 196, 249, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.company-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--primary-dark));
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.company-card:hover::before {
    transform: scaleX(1);
}

.company-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary-blue);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 196, 249, 0.2);
}

.company-link {
    display: block;
    text-decoration: none;
}

.company-link img {
    width: 100%;
    height: auto;
    max-width: 400px;
    margin: 0 auto;
    transition: all var(--transition-base);
    filter: brightness(0.9);
}

.company-card:hover .company-link img {
    filter: brightness(1.1);
    transform: scale(1.05);
}

/* ===================================
   Footer
   =================================== */

.footer-modern {
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-sm);
    animation: fadeIn 1s ease-out 0.5s both;
}

.footer-modern p {
    margin: var(--spacing-xs) 0;
}

/* ===================================
   Animations
   =================================== */

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Stagger animation for company cards */
.company-card:nth-child(1) {
    animation: fadeIn 0.8s ease-out 0.2s both;
}

.company-card:nth-child(2) {
    animation: fadeIn 0.8s ease-out 0.4s both;
}

.company-card:nth-child(3) {
    animation: fadeIn 0.8s ease-out 0.6s both;
}

/* ===================================
   Responsive Design
   =================================== */

@media (max-width: 768px) {
    .container-modern {
        padding: var(--spacing-lg) var(--spacing-md);
    }

    .companies-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .logo-section img {
        max-width: 200px;
    }
}

/* ===================================
   Background Animation
   =================================== */

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 196, 249, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 153, 204, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}