/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-dark: #0a0a0f;
    --bg-section: #0f0f17;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --accent: #3b82f6;
    --accent-glow: rgba(59, 130, 246, 0.3);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.5rem 2rem;
    transition: all 0.3s ease;
}

.nav.scrolled {
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 2rem;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.logo img {
    height: 45px;
    width: auto;
}

.logo span {
    white-space: nowrap;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 20% 80%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(20, 20, 40, 1) 0%, var(--bg-dark) 70%);
}

/* Star field effect */
.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, rgba(255,255,255,0.3), transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(255,255,255,0.2), transparent),
        radial-gradient(1px 1px at 90px 40px, rgba(255,255,255,0.4), transparent),
        radial-gradient(2px 2px at 130px 80px, rgba(255,255,255,0.2), transparent),
        radial-gradient(1px 1px at 160px 120px, rgba(255,255,255,0.3), transparent),
        radial-gradient(2px 2px at 200px 50px, rgba(255,255,255,0.15), transparent),
        radial-gradient(1px 1px at 250px 160px, rgba(255,255,255,0.4), transparent),
        radial-gradient(2px 2px at 300px 100px, rgba(255,255,255,0.2), transparent);
    background-size: 350px 200px;
    animation: twinkle 8s ease-in-out infinite;
}

@keyframes twinkle {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-content {
    position: relative;
    text-align: center;
    padding: 2rem;
    max-width: 900px;
}

.hero-tagline {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: var(--accent);
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.03em;
}

.hero h1 span {
    background: linear-gradient(135deg, var(--accent), #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2.5rem;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--accent);
    color: white;
    text-decoration: none;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s ease;
    box-shadow: 0 0 30px var(--accent-glow);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 50px var(--accent-glow);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    animation: bounce 2s ease-in-out infinite;
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid var(--text-secondary);
    border-bottom: 2px solid var(--text-secondary);
    transform: rotate(45deg);
}

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

/* Sections */
.section {
    padding: 8rem 2rem;
}

.section:nth-child(even) {
    background: var(--bg-section);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
}

.section h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 3rem;
    text-align: center;
    letter-spacing: -0.02em;
}

.lead {
    font-size: 1.25rem;
    color: var(--text-secondary);
    text-align: center;
    max-width: 700px;
    margin: 0 auto 2rem;
}

/* About */
.section-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.section-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 2.5rem;
    transition: all 0.3s ease;
}

.service-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(59, 130, 246, 0.3);
    transform: translateY(-5px);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Expertise */
.expertise-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.expertise-item {
    text-align: center;
    padding: 3rem 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    transition: all 0.3s ease;
}

.expertise-item:hover {
    border-color: var(--accent);
}

.expertise-item h3 {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.expertise-item p {
    font-size: 1rem;
    margin-bottom: 1rem;
}

.expertise-detail {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Stats */
.stats {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    text-align: center;
}

.stat-number {
    font-size: 4rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
}

.stat-suffix {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
}

.stat-label {
    display: block;
    margin-top: 0.5rem;
    color: var(--text-secondary);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Contact */
.contact-content {
    max-width: 500px;
    margin: 0 auto;
    text-align: center;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 3rem;
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.contact-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--text-secondary);
}

.contact-item a {
    color: var(--accent);
    text-decoration: none;
    font-size: 1.25rem;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    color: var(--text-primary);
}

.contact-item span {
    font-size: 1.25rem;
}

/* Footer */
.footer {
    padding: 3rem 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-content {
    text-align: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-logo img {
    height: 35px;
    width: auto;
}

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

/* Reveal Animations */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Stagger children */
.services-grid .reveal:nth-child(2) { transition-delay: 0.1s; }
.services-grid .reveal:nth-child(3) { transition-delay: 0.2s; }
.services-grid .reveal:nth-child(4) { transition-delay: 0.3s; }

.expertise-content .reveal:nth-child(2) { transition-delay: 0.1s; }
.expertise-content .reveal:nth-child(3) { transition-delay: 0.2s; }

.stats-grid .reveal:nth-child(2) { transition-delay: 0.1s; }
.stats-grid .reveal:nth-child(3) { transition-delay: 0.2s; }

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .section {
        padding: 5rem 1.5rem;
    }
    
    .stat-number {
        font-size: 3rem;
    }
}