:root {
    /* Color Palette */
    --bg-color: #0b0f19;
    --bg-secondary: #111827;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    
    /* Brand Colors */
    --brand-primary: #3b82f6;
    --brand-secondary: #8b5cf6;
    --brand-tertiary: #10b981;
    
    /* UI Elements */
    --card-bg: rgba(30, 41, 59, 0.5);
    --card-border: rgba(255, 255, 255, 0.05);
    --card-hover-border: rgba(255, 255, 255, 0.15);
    --glass-bg: rgba(15, 23, 42, 0.7);
    
    /* Typography */
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-display: 'Outfit', system-ui, -apple-system, sans-serif;
    
    /* Animations */
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: 0.2s ease-out;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Background Blobs for Glassmorphism effect */
.background-elements {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.blob {
    position: absolute;
    filter: blur(100px);
    border-radius: 50%;
    opacity: 0.4;
    transition: transform 0.5s ease;
}

.blob-1 {
    top: -10%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, var(--brand-secondary) 0%, transparent 70%);
}

.blob-2 {
    bottom: -20%;
    right: -10%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, var(--brand-primary) 0%, transparent 70%);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--card-border);
    padding: 1rem 0;
    transition: all var(--transition-fast);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    font-family: 'Arial', sans-serif;
    font-weight: 900;
    font-size: 2.2rem;
    font-style: italic;
    letter-spacing: -1px;
    line-height: 1;
}

.logo-u {
    background: linear-gradient(to bottom, #e32a31 50%, #3460b5 50%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.logo-plat {
    color: #3460b5;
}

.logo-z {
    color: #178942;
}

.nav {
    display: none;
    gap: 2rem;
}

@media (min-width: 768px) {
    .nav {
        display: flex;
    }
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

.nav-link:hover {
    color: var(--text-primary);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--text-primary);
    color: var(--bg-color);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(255, 255, 255, 0.2);
    background: #e2e8f0;
}

/* Hero Section */
.hero {
    padding: 10rem 0 6rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-container {
    max-width: 800px;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    color: var(--brand-primary);
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 2rem;
    animation: fadeInDown 0.8s ease-out;
}

.hero-title {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 5rem;
    }
}

.text-gradient {
    background: linear-gradient(to right, var(--brand-primary), var(--brand-secondary), var(--brand-tertiary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-inline: auto;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

/* Solutions Section */
.solutions-section {
    padding: 4rem 0 8rem;
}

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

.section-header h2 {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Card Grid */
.card-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .card-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .card-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all var(--transition-slow);
    position: relative;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.card:hover {
    transform: translateY(-10px);
    border-color: var(--card-hover-border);
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.5), 
                0 0 40px rgba(59, 130, 246, 0.1);
}

.card-image-wrapper {
    position: relative;
    width: 100%;
    padding-top: 60%; /* 16:9 Aspect Ratio */
    overflow: hidden;
    border-bottom: 1px solid var(--card-border);
}

.card-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.card:hover .card-image {
    transform: scale(1.05);
}

.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-slow);
    backdrop-filter: blur(4px);
}

.card:hover .card-overlay {
    opacity: 1;
}

.overlay-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--text-primary);
    color: var(--bg-color);
    text-decoration: none;
    border-radius: 9999px;
    font-weight: 600;
    transform: translateY(20px);
    transition: transform var(--transition-slow);
}

.card:hover .overlay-btn {
    transform: translateY(0);
}

.card-content {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 1.25rem;
    width: fit-content;
}

.tag-blue {
    background: rgba(59, 130, 246, 0.15);
    color: #60a5fa;
}

.tag-purple {
    background: rgba(139, 92, 246, 0.15);
    color: #a78bfa;
}

.tag-emerald {
    background: rgba(16, 185, 129, 0.15);
    color: #34d399;
}

.card-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.card-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 2rem;
    flex-grow: 1;
}

.card-footer {
    margin-top: auto;
    border-top: 1px solid var(--card-border);
    padding-top: 1.5rem;
}

.card-link {
    display: inline-flex;
    align-items: center;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

.card-link:hover {
    color: var(--brand-primary);
}

.card-link .arrow {
    margin-left: 0.5rem;
    transition: transform var(--transition-fast);
}

.card-link:hover .arrow {
    transform: translateX(4px);
}

/* Footer */
.footer {
    border-top: 1px solid var(--card-border);
    padding: 3rem 0;
    background: var(--bg-secondary);
}

.footer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .footer-container {
        flex-direction: row;
        justify-content: space-between;
    }
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

.footer-links p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}