/**
 * Modern Homepage Styles
 * Optimized for performance and responsiveness
 */

/* ============================================
   CSS Custom Properties (Variables)
   ============================================ */
:root {
    /* Color Palette */
    --primary-color: #4f8cff;
    --primary-dark: #2d6cdf;
    --primary-light: #b3d1ff;
    --secondary-color: #ffb347;
    --accent-color: #ff6b81;
    --green-color: #6fffb3;
    --blue-color: #6ecbff;
    --purple-color: #b36bff;
    --yellow-color: #fff36b;
    --pink-color: #ffb3d1;
    
    /* Neutral Colors */
    --light-bg: #f7fafc;
    --lighter-bg: #ffffff;
    --light-text: #22223b;
    --muted-text: #a0aec0;
    --card-bg: rgba(255,255,255,0.7);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent-color) 0%, var(--green-color) 100%);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-base: 16px;
    
    /* Effects */
    --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: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

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

html {
    background: var(--light-bg);
    color: var(--light-text);
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
}

body {
    min-height: 100vh;
    background: transparent;
    position: relative;
    overflow-x: hidden;
}

#gradientBg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    pointer-events: none;
    display: block;
}

.hero {
    position: relative;
    z-index: 1;
    background: transparent;
}
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

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

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    background: transparent;
    z-index: 1;
}

/* Canvas for full-screen pixel animation */
#particleCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    pointer-events: auto;
}

/* Hero Content */
.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: var(--spacing-md);
    max-width: 900px;
    animation: fadeInUp 1s ease-out;
}

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

.hero-title {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.title-line {
    display: block;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease infinite;
}

@keyframes gradientShift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.5rem);
    color: var(--muted-text);
    margin-bottom: var(--spacing-lg);
    font-weight: 300;
}

/* Call-to-Action Buttons */
.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2.5rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    font-family: inherit;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transform: translate(-50%, -50%);
    transition: width var(--transition-slow), height var(--transition-slow);
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.6);
}

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

.btn-secondary:hover {
    background: rgba(99, 102, 241, 0.1);
    transform: translateY(-2px);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--primary-light);
    border-radius: 13px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--primary-light);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 1.5s infinite;
}

@keyframes scroll {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(12px);
    }
}

/* ============================================
   Services Section
   ============================================ */
.services {
    padding: var(--spacing-xl) var(--spacing-md);
    background: var(--dark-bg);
    position: relative;
    z-index: 1;
}

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

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--muted-text);
    font-weight: 300;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

/* Service Cards */
.service-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(99, 102, 241, 0.1);
    border-radius: 20px;
    padding: var(--spacing-md);
    transition: all var(--transition-base);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

/* Glassmorphism effect */
.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(99, 102, 241, 0.5), 
        transparent
    );
    opacity: 0;
    transition: opacity var(--transition-base);
}

.service-card:hover::before {
    opacity: 1;
}

.service-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.service-card:hover::after {
    opacity: 1;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.2);
}

/* Service Icon */
.service-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    transition: all var(--transition-base);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
}

.service-icon svg {
    width: 30px;
    height: 30px;
    color: white;
}

/* Service Content */
.service-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--light-text);
}

.service-description {
    color: var(--muted-text);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-light);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-base);
}

.service-link:hover {
    color: var(--primary-color);
    gap: 0.75rem;
}

.service-link svg {
    transition: transform var(--transition-base);
}

.service-link:hover svg {
    transform: translateX(4px);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    padding: var(--spacing-md);
    background: var(--darker-bg);
    border-top: 1px solid rgba(99, 102, 241, 0.1);
    text-align: center;
    position: relative;
    z-index: 1;
}

.footer p {
    color: var(--muted-text);
    font-size: 0.9rem;
}

/* ============================================
   Responsive Design
   ============================================ */

/* Tablet */
@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: var(--spacing-sm);
    }
    
    .hero-cta {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
    }
    
    .btn {
        width: 100%;
    }
}

/* Mobile */
@media (max-width: 480px) {
    :root {
        --spacing-md: 1.5rem;
        --spacing-lg: 2rem;
        --spacing-xl: 3rem;
    }
    
    .hero {
        min-height: 100svh; /* Use small viewport height on mobile */
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .service-card {
        padding: var(--spacing-sm);
    }
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ============================================
   Utility Classes
   ============================================ */
.text-center {
    text-align: center;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}