:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #f59e0b;
    --accent-color: #10b981;
    --text-color: #1f2937;
    --text-light: #6b7280;
    --bg-color: #ffffff;
    --bg-secondary: #f9fafb;
    --border-color: #e5e7eb;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] {
    --text-color: #f9fafb;
    --text-light: #9ca3af;
    --bg-color: #111827;
    --bg-secondary: #1f2937;
    --border-color: #374151;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    transition: all 0.3s ease;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
}

[data-theme="dark"] .header {
    background: rgba(17, 24, 39, 0.95);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
    margin-right: 0.75rem;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cube-stack {
    position: relative;
    width: 32px;
    height: 32px;
    transform-style: preserve-3d;
    animation: rotate 8s infinite linear;
}

.cube {
    position: absolute;
    width: 16px;
    height: 16px;
    transform-style: preserve-3d;
}

.cube:nth-child(1) {
    transform: translate3d(0, 0, 0);
}

.cube:nth-child(2) {
    transform: translate3d(8px, -8px, 8px);
}

.cube:nth-child(3) {
    transform: translate3d(-8px, 8px, -8px);
}

.cube-face {
    position: absolute;
    width: 16px;
    height: 16px;
    border: 1px solid rgba(37, 99, 235, 0.3);
}

.cube-face.front {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    transform: translateZ(8px);
}

.cube-face.back {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    transform: rotateY(180deg) translateZ(8px);
}

.cube-face.right {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    transform: rotateY(90deg) translateZ(8px);
}

.cube-face.left {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    transform: rotateY(-90deg) translateZ(8px);
}

.cube-face.top {
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    transform: rotateX(90deg) translateZ(8px);
}

.cube-face.bottom {
    background: linear-gradient(135deg, var(--primary-dark), var(--secondary-color));
    transform: rotateX(-90deg) translateZ(8px);
}

@keyframes rotate {
    0% {
        transform: rotateX(0deg) rotateY(0deg);
    }

    25% {
        transform: rotateX(90deg) rotateY(90deg);
    }

    50% {
        transform: rotateX(180deg) rotateY(180deg);
    }

    75% {
        transform: rotateX(270deg) rotateY(270deg);
    }

    100% {
        transform: rotateX(360deg) rotateY(360deg);
    }
}

.logo:hover .cube-stack {
    animation-duration: 2s;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--primary-color);
}

.theme-toggle {
    background: none;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-color);
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    padding: 8rem 5% 6rem;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.btn {
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

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

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

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

.btn-secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Services Section */
.services {
    padding: 6rem 5%;
    background: var(--bg-secondary);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

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

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

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

.service-card {
    background: var(--bg-color);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

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

.service-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    color: white;
}

.service-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

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

.tag {
    background: var(--bg-secondary);
    color: var(--text-color);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.875rem;
    border: 1px solid var(--border-color);
}

/* Cloud Providers */
.cloud-providers {
    padding: 6rem 5%;
}

.providers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.provider-card {
    background: var(--bg-color);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
}

.provider-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-3px);
}

.provider-logo {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.aws {
    color: #ff9900;
}

.azure {
    color: #0078d4;
}

.gcp {
    color: #4285f4;
}

.oracle {
    color: #f80000;
}

.kubernetes {
    color: #326ce5;
}

/* Stats */
.stats {
    padding: 4rem 5%;
    background: var(--primary-color);
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-item h3 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-item p {
    font-size: 1.125rem;
    opacity: 0.9;
}

/* Footer */
.footer {
    padding: 3rem 5%;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1.125rem;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}