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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: #0A0A0A;
    color: #E4E4E7;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography System */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    line-height: 1.3;
}

h1 {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
}

h2 {
    font-size: 2.5rem;
    font-weight: 600;
    line-height: 1.3;
}

h3 {
    font-size: 1.5rem;
    font-weight: 500;
    line-height: 1.4;
}

h4 {
    font-size: 1.25rem;
    font-weight: 500;
    line-height: 1.4;
}

p {
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.6;
}

/* Color System */
:root {
    /* Primary Colors */
    --primary-400: #60A5FA;
    --primary-500: #3B82F6;
    --primary-600: #2563EB;
    
    /* Neutral Colors */
    --neutral-950: #0A0A0A;
    --neutral-900: #141414;
    --neutral-800: #1F1F1F;
    --neutral-700: #333333;
    --neutral-600: #4B5563;
    --neutral-500: #6B7280;
    --neutral-400: #9E9E9E;
    --neutral-300: #D1D5DB;
    --neutral-200: #E5E7EB;
    --neutral-100: #E4E4E7;
    
    /* Semantic Colors */
    --success: #22C55E;
    --warning: #F59E0B;
    --error: #EF4444;
    
    /* Spacing System */
    --space-xs: 0.5rem;     /* 8px */
    --space-sm: 1rem;       /* 16px */
    --space-md: 1.5rem;     /* 24px */
    --space-lg: 2rem;       /* 32px */
    --space-xl: 3rem;       /* 48px */
    --space-xxl: 4rem;      /* 64px */
    --space-xxxl: 6rem;     /* 96px */
    
    /* Border Radius */
    --radius-sm: 0.5rem;    /* 8px */
    --radius-md: 0.75rem;   /* 12px */
    
    /* Shadows/Glows */
    --glow-primary: 0 0 24px 0 rgba(59, 130, 246, 0.25);
    --glow-focus: inset 0 0 8px rgba(59, 130, 246, 0.2);
}

/* Container */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 72px;
    background: var(--neutral-900);
    border-bottom: 1px solid var(--neutral-700);
    z-index: 1000;
    transition: all 0.25s ease-out;
}

.navbar.scrolled {
    background: rgba(20, 20, 20, 0.7);
    backdrop-filter: blur(12px);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
}

.logo-text {
    font-family: 'Poppins', sans-serif;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--neutral-100);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-link {
    font-size: 1rem;
    color: var(--neutral-400);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.25s ease-out;
    position: relative;
}

.nav-link:hover {
    color: var(--neutral-100);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-500);
    transition: width 0.25s ease-out;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle .bar {
    width: 24px;
    height: 2px;
    background: var(--neutral-100);
    transition: 0.3s;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all 0.25s ease-out;
    text-decoration: none;
    height: 48px;
}

.btn-primary {
    background: var(--primary-500);
    color: var(--neutral-100);
}

.btn-primary:hover {
    background: var(--primary-400);
    transform: translateY(-2px);
    box-shadow: var(--glow-primary);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-500);
    border: 1px solid var(--primary-500);
}

.btn-secondary:hover {
    background: rgba(59, 130, 246, 0.15);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

/* Hero Section */
.hero {
    min-height: 80vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--neutral-950);
}

.particles-container {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(96, 165, 250, 0.1) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
}

.particles-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(1px 1px at 20px 30px, rgba(59, 130, 246, 0.3), transparent),
        radial-gradient(1px 1px at 40px 70px, rgba(96, 165, 250, 0.2), transparent),
        radial-gradient(1px 1px at 90px 40px, rgba(59, 130, 246, 0.4), transparent),
        radial-gradient(1px 1px at 130px 80px, rgba(96, 165, 250, 0.2), transparent),
        radial-gradient(1px 1px at 160px 30px, rgba(59, 130, 246, 0.3), transparent);
    background-repeat: repeat;
    background-size: 200px 100px;
    animation: particleMove 30s linear infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes particleMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(-200px, -100px); }
}

.hero-content {
    text-align: center;
    z-index: 10;
    max-width: 800px;
    padding: 0 var(--space-md);
    animation: fadeInUp 0.8s ease-out;
}

.hero-title {
    margin-bottom: var(--space-lg);
    color: var(--neutral-100);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--neutral-400);
    margin-bottom: var(--space-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

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

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: var(--space-xxxl);
}

.section-title {
    color: var(--neutral-100);
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--neutral-400);
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.about {
    padding: var(--space-xxxl) 0;
    background: var(--neutral-950);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xxxl);
    align-items: start;
}

.about-content {
    max-width: 600px;
}

.about-title {
    color: var(--neutral-100);
    margin-bottom: var(--space-lg);
}

.about-text {
    color: var(--neutral-400);
    margin-bottom: var(--space-md);
    font-size: 1.125rem;
    line-height: 1.7;
}

.about-stats {
    display: flex;
    gap: var(--space-xl);
    margin-top: var(--space-xl);
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-family: 'Poppins', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-500);
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--neutral-400);
    margin-top: var(--space-xs);
}

.about-features {
    display: grid;
    gap: var(--space-xl);
}

.feature-item {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
}

.feature-icon {
    flex-shrink: 0;
}

.feature-title {
    color: var(--neutral-100);
    margin-bottom: var(--space-xs);
}

.feature-text {
    color: var(--neutral-400);
}

/* Services Section */
.services {
    padding: var(--space-xxxl) 0;
    background: var(--neutral-900);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
}

.service-card {
    background: var(--neutral-900);
    border: 1px solid var(--neutral-700);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.service-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary-500);
    box-shadow: var(--glow-primary);
}

.service-icon {
    margin-bottom: var(--space-lg);
}

.service-title {
    color: var(--neutral-100);
    margin-bottom: var(--space-md);
}

.service-description {
    color: var(--neutral-400);
    margin-bottom: var(--space-lg);
    line-height: 1.7;
}

.service-features {
    list-style: none;
}

.service-features li {
    color: var(--neutral-400);
    margin-bottom: var(--space-xs);
    padding-left: var(--space-md);
    position: relative;
}

.service-features li::before {
    content: '•';
    color: var(--primary-500);
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* Contact Section */
.contact {
    padding: var(--space-xxxl) 0;
    background: var(--neutral-950);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xxxl);
    align-items: start;
}

.contact-info {
    display: grid;
    gap: var(--space-xl);
}

.contact-item {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
}

.contact-icon {
    flex-shrink: 0;
    color: var(--primary-500);
}

.contact-label {
    color: var(--neutral-100);
    margin-bottom: var(--space-xs);
}

.contact-value {
    color: var(--neutral-400);
}

/* Form Styles */
.form {
    background: var(--neutral-900);
    border: 1px solid var(--neutral-700);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    color: var(--neutral-100);
    margin-bottom: var(--space-sm);
    font-weight: 500;
}

.form-input {
    width: 100%;
    height: 48px;
    background: var(--neutral-900);
    border: 1px solid var(--neutral-700);
    border-radius: var(--radius-sm);
    color: var(--neutral-100);
    font-size: 1rem;
    padding: 12px 16px;
    transition: all 0.2s ease-out;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: var(--glow-focus);
}

.form-input::placeholder {
    color: var(--neutral-400);
}

.form-input textarea {
    height: auto;
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: var(--neutral-900);
    padding: var(--space-xxxl) 0 var(--space-xl);
    border-top: 1px solid var(--neutral-700);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-xxxl);
    margin-bottom: var(--space-xl);
}

.footer-brand {
    max-width: 400px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.footer-brand-text {
    font-family: 'Poppins', sans-serif;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--neutral-100);
}

.footer-description {
    color: var(--neutral-400);
    line-height: 1.7;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.footer-title {
    color: var(--neutral-100);
    margin-bottom: var(--space-md);
    font-size: 1rem;
}

.footer-list {
    list-style: none;
}

.footer-list li {
    margin-bottom: var(--space-sm);
}

.footer-link {
    color: var(--neutral-400);
    text-decoration: none;
    transition: color 0.25s ease-out;
}

.footer-link:hover {
    color: var(--primary-500);
}

.footer-text {
    color: var(--neutral-400);
    font-size: 0.875rem;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-xl);
    border-top: 1px solid var(--neutral-700);
}

.footer-copyright {
    color: var(--neutral-400);
    font-size: 0.875rem;
}

/* Gradients */
#logoGradient,
#footerLogoGradient,
#featureGradient1,
#featureGradient2,
#featureGradient3,
#serviceGradient1,
#serviceGradient2,
#serviceGradient3,
#serviceGradient4 {
    stop-color: #3B82F6;
    stop-color: #60A5FA;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    /* Typography adjustments */
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    /* Navigation */
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    /* Spacing adjustments */
    :root {
        --space-xxxl: 4rem;
        --space-xxl: 3rem;
        --space-xl: 2rem;
    }
    
    /* Hero section */
    .hero-content {
        padding: 0 var(--space-sm);
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    /* Stats */
    .about-stats {
        justify-content: space-around;
    }
    
    /* Footer */
    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-sm);
    }
    
    .hero {
        min-height: 500px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .about-stats {
        flex-direction: column;
        gap: var(--space-lg);
        text-align: center;
    }
}

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

.mt-xs { margin-top: var(--space-xs); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.mb-xs { margin-bottom: var(--space-xs); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-top: var(--space-xl); }