/* HP Fortress - Modern Dark Theme */
:root {
    --bg-primary: #0a0e27;
    --bg-secondary: #151b3d;
    --bg-card: #1a1f3a;
    --accent-primary: #00d9ff;
    --accent-secondary: #7c3aed;
    --accent-gradient: linear-gradient(135deg, #00d9ff 0%, #7c3aed 100%);
    --text-primary: #e5e7eb;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    --border-color: #2a3150;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 20px rgba(0, 217, 255, 0.3);
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

/* Animated Background */
.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: var(--bg-primary);
}

.background-animation::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(124, 58, 237, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(0, 217, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(124, 58, 237, 0.03) 0%, transparent 70%);
    animation: backgroundPulse 10s ease-in-out infinite;
}

@keyframes backgroundPulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 0.7; }
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 14, 39, 0.98);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.logo:hover {
    color: var(--accent-primary);
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-smooth);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-primary);
    transition: var(--transition-smooth);
}

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

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

/* Main Content */
main {
    padding-top: 5rem;
}

/* Hero Section */
.hero {
    min-height: calc(100vh - 5rem);
    display: flex;
    align-items: center;
    padding: 4rem 0;
}

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

.greeting {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: rgba(0, 217, 255, 0.1);
    border: 1px solid rgba(0, 217, 255, 0.3);
    border-radius: 50px;
    color: var(--accent-primary);
    font-weight: 600;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-role {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 2rem;
    font-weight: 600;
}

.hero-description {
    margin-bottom: 2rem;
}

.hero-description p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

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

/* Hero Right - Server Icon */
.profile-container {
    position: relative;
    width: 400px;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.server-icon-large {
    font-size: 15rem;
    animation: float 6s ease-in-out infinite;
    filter: drop-shadow(0 0 40px rgba(0, 217, 255, 0.3));
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-30px) rotate(5deg);
    }
}

.profile-decoration {
    position: absolute;
    inset: -40px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 217, 255, 0.1) 0%, transparent 70%);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.5;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.1);
    }
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-smooth);
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 12px rgba(0, 217, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 217, 255, 0.4);
}

.btn-outline {
    background: transparent;
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.btn-outline:hover {
    background: rgba(0, 217, 255, 0.1);
    transform: translateY(-2px);
}

/* Hardware Specifications Section */
.specs-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.5rem;
    margin: 4rem 0;
}

.spec-card {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition-smooth);
}

.spec-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 217, 255, 0.2);
}

.spec-icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
}

.spec-label {
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.spec-value {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--accent-primary);
}

/* Section */
.section {
    padding: 4rem 0;
}

.section-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.section-badge {
    font-size: 3rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.feature-card {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

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

.feature-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-8px);
    box-shadow: 0 16px 32px rgba(0, 217, 255, 0.2);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Architecture Grid */
.arch-grid {
    display: grid;
    gap: 2rem;
}

.arch-card {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 2rem;
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    transition: var(--transition-smooth);
}

.arch-card:hover {
    border-color: var(--accent-primary);
    transform: translateX(10px);
    box-shadow: 0 12px 24px rgba(0, 217, 255, 0.2);
}

.arch-number {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 900;
    color: white;
    box-shadow: var(--shadow-glow);
}

.arch-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.arch-card p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.arch-details {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.tech-badge {
    padding: 0.5rem 1rem;
    background: rgba(0, 217, 255, 0.1);
    border: 1px solid rgba(0, 217, 255, 0.3);
    border-radius: 6px;
    font-size: 0.875rem;
    color: var(--accent-primary);
    font-weight: 600;
}

/* Documentation Card */
.docs-card {
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 3rem;
    text-align: center;
}

.docs-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.docs-card h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.docs-card p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Footer */
footer {
    margin-top: 6rem;
    padding: 3rem 0;
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

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

.footer-left h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.footer-left p {
    color: var(--text-secondary);
}

.footer-right {
    text-align: right;
}

.footer-right p {
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.footer-right a {
    color: var(--accent-primary);
    text-decoration: none;
}

.footer-right a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
    }
    
    .profile-container {
        width: 300px;
        height: 300px;
        margin: 0 auto;
    }
    
    .server-icon-large {
        font-size: 10rem;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .stats-section {
        grid-template-columns: 1fr;
    }
    
    .nav-links {
        display: none;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-right {
        text-align: center;
    }
}