/* =========================================
   CSS Variables & Theme
========================================= */
:root {
    --bg-dark: #050505;
    --bg-panel: rgba(20, 20, 22, 0.7);
    --bg-glass: rgba(255, 255, 255, 0.03);
    
    --text-primary: #ffffff;
    --text-secondary: #9ca3af;
    
    --accent-1: #6366f1; /* Indigo */
    --accent-2: #a855f7; /* Purple */
    --accent-3: #ec4899; /* Pink */
    
    --glow-primary: rgba(99, 102, 241, 0.5);
    --glow-secondary: rgba(168, 85, 247, 0.5);
    
    --border-glass: rgba(255, 255, 255, 0.08);
    
    --font-heading: 'Inter', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

/* Background Canvas */
#bg-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    pointer-events: none;
    background: radial-gradient(circle at center, #111 0%, #000 100%);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

ul {
    list-style: none;
}

/* =========================================
   Typography & Utilities
========================================= */
.gradient-text {
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2), var(--accent-3));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.section-padding {
    padding: 8rem 2rem;
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

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

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* =========================================
   Buttons
========================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-normal);
    border: none;
    outline: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
    color: white;
    box-shadow: 0 4px 15px var(--glow-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--glow-primary);
    filter: brightness(1.1);
}

.btn-secondary {
    background: var(--bg-glass);
    color: white;
    border: 1px solid var(--border-glass);
    backdrop-filter: blur(10px);
}

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

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-glass);
    color: white;
}

.btn-outline:hover {
    border-color: var(--accent-1);
    background: rgba(99, 102, 241, 0.1);
}

/* =========================================
   Navigation
========================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    transition: var(--transition-normal);
    backdrop-filter: blur(0px);
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    padding: 1rem 5%;
    background: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-glass);
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    font-weight: 600;
    color: var(--text-secondary);
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0%;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
    transition: var(--transition-normal);
    border-radius: 2px;
}

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

/* =========================================
   Hero Section
========================================= */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    padding: 0 2rem;
}

.hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--glow-primary) 0%, transparent 60%);
    opacity: 0.15;
    z-index: -1;
    filter: blur(60px);
    animation: pulseGlow 8s infinite alternate;
}

.badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    border-radius: 50px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    color: var(--accent-1);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 2rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    max-width: 650px;
    margin: 0 auto 3rem auto;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* =========================================
   Services Section
========================================= */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.service-card {
    background: var(--bg-panel);
    border: 1px solid var(--border-glass);
    border-radius: 24px;
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
    transition: var(--transition-normal);
    backdrop-filter: blur(10px);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(800px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(255, 255, 255, 0.06), transparent 40%);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.service-card:hover {
    transform: translateY(-5px);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.icon-wrapper {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(168, 85, 247, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--accent-1);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.icon-wrapper svg {
    width: 32px;
    height: 32px;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.service-card p {
    color: var(--text-secondary);
}

/* =========================================
   Stats Banner
========================================= */
.stats {
    background: linear-gradient(180deg, transparent, rgba(99, 102, 241, 0.03), transparent);
    border-top: 1px solid var(--border-glass);
    border-bottom: 1px solid var(--border-glass);
}

.stats-container {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 2rem;
    text-align: center;
}

.stat-number {
    font-size: 4rem;
    font-weight: 800;
    background: linear-gradient(135deg, #fff, var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--accent-1);
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-size: 0.875rem;
}

/* =========================================
   Contact Section
========================================= */
.contact-box {
    max-width: 800px;
    margin: 0 auto;
    background: radial-gradient(circle at top right, rgba(99, 102, 241, 0.1), transparent 50%), var(--bg-panel);
    border: 1px solid var(--border-glass);
    border-radius: 32px;
    padding: 4rem 2rem;
    text-align: center;
    backdrop-filter: blur(10px);
}

.contact-box h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.contact-box p {
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    font-size: 1.125rem;
}

.contact-form {
    display: flex;
    gap: 1rem;
    max-width: 500px;
    margin: 0 auto;
}

.form-input {
    flex: 1;
    padding: 1rem 1.5rem;
    border-radius: 50px;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border-glass);
    color: white;
    font-size: 1rem;
    outline: none;
    transition: var(--transition-fast);
}

.form-input:focus {
    border-color: var(--accent-1);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

/* =========================================
   Footer
========================================= */
.footer {
    padding: 3rem 2rem;
    border-top: 1px solid var(--border-glass);
    margin-top: 4rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-logo {
    font-weight: 800;
    font-size: 1.25rem;
}

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

/* =========================================
   Animations & Media Queries
========================================= */
@keyframes pulseGlow {
    0% { transform: translate(-50%, -50%) scale(1); opacity: 0.1; }
    100% { transform: translate(-50%, -50%) scale(1.1); opacity: 0.2; }
}

@media (max-width: 768px) {
    .nav-links {
        display: none; /* Can add hamburger menu later */
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .contact-form {
        flex-direction: column;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}