:root {
    /* Color Palette - Premium Dark Theme */
    --bg-dark: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.4);
    --card-border: rgba(255, 255, 255, 0.1);
    --card-hover: rgba(30, 41, 59, 0.7);
    --card-hover-border: rgba(255, 255, 255, 0.25);
    
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    
    --accent-glow: #38bdf8;
    --accent-glow-2: #818cf8;
    --accent-glow-3: #c084fc;

    /* Typography */
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    
    /* Layout */
    --max-width: 1200px;
    --rad-sm: 8px;
    --rad-md: 16px;
    --rad-lg: 24px;
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    position: relative;
    -webkit-font-smoothing: antialiased;
}

/* Background Animated Gradients */
.background-effects {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.glow {
    position: absolute;
    width: 60vh;
    height: 60vh;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, rgba(0,0,0,0) 70%);
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: drift 20s infinite alternate ease-in-out;
}

/* Base colors for the glows */
.glow-1 {
    top: -10%;
    left: -10%;
    background-image: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    animation-duration: 25s;
}
.glow-2 {
    bottom: -20%;
    right: -10%;
    background-image: radial-gradient(circle, var(--accent-glow-2) 0%, transparent 70%);
    animation-delay: -5s;
    animation-duration: 22s;
}
.glow-3 {
    top: 40%;
    left: 40%;
    width: 40vh;
    height: 40vh;
    background-image: radial-gradient(circle, var(--accent-glow-3) 0%, transparent 70%);
    opacity: 0.3;
    animation-duration: 30s;
}

@keyframes drift {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(15%, 15%) scale(1.1); }
}

/* Header */
.header {
    text-align: center;
    padding: 5rem 1rem 2rem;
}

.header-content {
    animation: slideDown 0.8s var(--transition-smooth) backwards;
}

.title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}

.title .highlight {
    background: linear-gradient(135deg, var(--accent-glow), var(--accent-glow-3));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

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

/* Main Container */
.container {
    flex: 1;
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* Controls / Search */
.controls {
    display: flex;
    justify-content: center;
    margin-bottom: 1rem;
    animation: fadeIn 0.8s var(--transition-smooth) 0.2s backwards;
}

.search-box input {
    width: 100%;
    min-width: 300px;
    max-width: 500px;
    padding: 1rem 1.5rem;
    border-radius: 50px;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--card-border);
    color: var(--text-main);
    font-size: 1rem;
    outline: none;
    backdrop-filter: blur(10px);
    transition: var(--transition-fast);
}

.search-box input:focus {
    border-color: var(--accent-glow-2);
    box-shadow: 0 0 0 4px rgba(129, 140, 248, 0.1);
}

.search-box input::placeholder {
    color: var(--text-muted);
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.loading-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
    font-size: 1.1rem;
    animation: fadeIn 1s infinite alternate;
}

/* Service Card (Glassmorphism) */
.service-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--rad-md);
    padding: 1.5rem;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    /* initial state for JS animation */
    opacity: 0;
    transform: translateY(20px);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    border-radius: var(--rad-md);
    background: linear-gradient(135deg, rgba(255,255,255,0.05), transparent);
    z-index: 1;
    pointer-events: none;
}

.service-card:hover {
    transform: translateY(-8px) scale(1.02);
    background: var(--card-hover);
    border-color: var(--card-hover-border);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3), 
                0 0 20px rgba(129, 140, 248, 0.1);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    z-index: 2;
}

.card-icon {
    font-size: 2.5rem;
    background: rgba(255,255,255,0.05);
    width: 60px; height: 60px;
    display: flex; align-items: center; justify-content: center;
    border-radius: var(--rad-sm);
    border: 1px solid rgba(255,255,255,0.05);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-main);
}

.card-body {
    z-index: 2;
    flex: 1;
}

.card-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

.card-footer {
    z-index: 2;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: auto;
}

.tag {
    font-size: 0.75rem;
    padding: 0.25rem 0.6rem;
    background: rgba(129, 140, 248, 0.15);
    color: #a5b4fc;
    border-radius: 50px;
    border: 1px solid rgba(129, 140, 248, 0.1);
    font-weight: 500;
}

/* Footer */
.footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    margin-top: 3rem;
}

.footer-links {
    margin-top: 0.5rem;
}

.footer-links a {
    color: var(--accent-glow-2);
    text-decoration: none;
    opacity: 0.8;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    opacity: 1;
    text-decoration: underline;
}

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

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

/* Responsive adjustments */
@media (max-width: 600px) {
    .container { padding: 1rem; }
    .services-grid { grid-template-columns: 1fr; }
}