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

:root {
    /* Color Palette */
    --primary: #0066FF;
    --primary-dark: #0052CC;
    --primary-light: #4D94FF;
    --secondary: #FF6B35;
    --tertiary: #7C3AED;
    --quaternary: #059669;
    
    /* Grays */
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--tertiary) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
    
    /* Spacing */
    --section-padding: 6rem 0;
    --container-padding: 0 1.5rem;
    --container-max-width: 1200px;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* 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), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: #FFFFFF;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    color: var(--gray-900);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-align: center;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    text-align: center;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.section-header {
    margin-bottom: 4rem;
}

/* Gradient Text */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn-primary,
.btn-secondary {
    padding: 0.875rem 2rem;
    border-radius: var(--radius-lg);
    font-weight: var(--font-weight-semibold);
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-secondary:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    padding: 8rem 0 6rem;
    background: linear-gradient(135deg, var(--gray-50) 0%, #FFFFFF 50%, var(--gray-50) 100%);
    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="%23E5E7EB" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
}

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

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 2rem;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--gray-600);
    margin-bottom: 1.5rem;
    font-weight: var(--font-weight-medium);
}

.hero-description {
    font-size: 1.125rem;
    color: var(--gray-600);
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

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

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Images */
.hero-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.vision-image {
    width: 100%;
    height: 350px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

/* Image Placeholders (fallback) */
.image-placeholder,
.logo-placeholder,
.icon-placeholder {
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: var(--font-weight-semibold);
    box-shadow: var(--shadow-lg);
}

.hero-image-placeholder .image-placeholder {
    width: 100%;
    height: 400px;
    font-size: 1.25rem;
}

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

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

.about-card {
    text-align: center;
    padding: 2.5rem 1.5rem;
    border-radius: var(--radius-xl);
    background: var(--gray-50);
    transition: all var(--transition-normal);
    border: 1px solid var(--gray-200);
}

.about-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    background: white;
}

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

.icon-placeholder {
    width: 4rem;
    height: 4rem;
    font-size: 0.875rem;
}

.ai-icon {
    background: var(--gradient-primary);
}

.innovation-icon {
    background: var(--gradient-secondary);
}

.scale-icon {
    background: linear-gradient(135deg, var(--tertiary) 0%, var(--quaternary) 100%);
}

.about-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--gray-900);
}

.about-card p {
    color: var(--gray-600);
    line-height: 1.7;
}

/* Brands Section */
.brands {
    padding: var(--section-padding);
    background: var(--gray-50);
}

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

.brand-card {
    background: white;
    border-radius: var(--radius-xl);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border: 1px solid var(--gray-200);
    position: relative;
    overflow: hidden;
}

.brand-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.brand-card.featured {
    grid-column: span 2;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
}

.brand-card.featured h3,
.brand-card.featured .brand-category {
    color: white;
}

.brand-card.featured .brand-description {
    color: rgba(255, 255, 255, 0.9);
}

.brand-logo {
    margin-bottom: 1.5rem;
}

.logo-placeholder {
    width: 3rem;
    height: 3rem;
    font-size: 0.75rem;
}

.logo-placeholder.primary {
    background: var(--gradient-primary);
}

.logo-placeholder.secondary {
    background: var(--gradient-secondary);
}

.logo-placeholder.tertiary {
    background: linear-gradient(135deg, var(--tertiary) 0%, var(--primary) 100%);
}

.logo-placeholder.quaternary {
    background: linear-gradient(135deg, var(--quaternary) 0%, var(--tertiary) 100%);
}

.brand-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.brand-category {
    font-size: 0.875rem;
    font-weight: var(--font-weight-semibold);
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.brand-description {
    color: var(--gray-600);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.brand-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    background: var(--gray-100);
    color: var(--gray-700);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
}

.brand-card.featured .tag {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

/* Vision Section */
.vision {
    padding: var(--section-padding);
    background: white;
}

.vision-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.vision-description {
    font-size: 1.125rem;
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: 3rem;
}

.vision-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--gray-600);
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.875rem;
}



/* Footer */
.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-brand h3 {
    color: white;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.footer-description {
    color: var(--gray-400);
    line-height: 1.6;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-section h4 {
    color: white;
    font-size: 1rem;
    margin-bottom: 1rem;
    font-weight: var(--font-weight-semibold);
}

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

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

.footer-section ul li a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-section ul li a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid var(--gray-700);
    padding-top: 2rem;
    text-align: center;
    color: var(--gray-500);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content,
    .vision-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.25rem;
        line-height: 1.2;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .brands-grid {
        grid-template-columns: 1fr;
    }
    
    .brand-card.featured {
        grid-column: span 1;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
    
    .vision-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    :root {
        --section-padding: 4rem 0;
        --container-padding: 0 1rem;
    }
    
    .hero {
        padding: 6rem 0 4rem;
    }
    
    .hero-title {
        font-size: 1.875rem;
        line-height: 1.25;
        margin-bottom: 1.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        max-width: 300px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .vision-stats {
        grid-template-columns: 1fr;
    }
    
    .hero-image {
        height: 250px;
    }
    
    .vision-image {
        height: 200px;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Loading Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content,
.about-card,
.brand-card,
.vision-content {
    animation: fadeInUp 0.6s ease-out;
}