:root {
    /* Color Palette */
    --bg-color: #0f172a;       /* Deep Navy Background */
    --bg-light: #1e293b;       /* Slightly lighter for cards/sections */
    --text-primary: #f8fafc;   /* White text */
    --text-secondary: #94a3b8; /* Grey text */
    --accent: #6366f1;         /* Indigo */
    --accent-hover: #4f46e5;
    --gradient: linear-gradient(to right, #6366f1, #a855f7);
    
    /* Spacing */
    --container-width: 1100px;
    --spacing-md: 4rem;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* Utility Classes */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.section { padding: 80px 0; }
.bg-light { background-color: var(--bg-light); }
.text-center { text-align: center; }

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    position: fixed;
    width: 100%;
    top: 0;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.logo {
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: -0.5px;
}

.dot { color: var(--accent); }

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color 0.3s;
}

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

/* Buttons */
.btn-primary {
    background: var(--accent);
    color: white;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
}

.btn-secondary {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.2);
    color: var(--text-primary);
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: 0.3s;
}

.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

.btn-text {
    color: var(--text-primary);
    font-weight: 600;
    margin-left: 20px;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 20px;
}

.badge {
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 20px;
    display: inline-block;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 20px;
    font-weight: 800;
}

.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    color: var(--text-secondary);
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto 40px;
}

/* About Section */
.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.text-block h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.text-block p { color: var(--text-secondary); margin-bottom: 30px; }

.stats { display: flex; gap: 40px; }
.stat-item h3 { font-size: 2rem; color: var(--accent); }
.stat-item p { font-size: 0.9rem; color: var(--text-secondary); }

.placeholder-img {
    width: 100%;
    height: 400px;
    background: linear-gradient(45deg, #1e293b, #0f172a);
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,0.1);
}

/* Services Grid */
.section-title { font-size: 2.5rem; margin-bottom: 10px; text-align: center; }
.section-subtitle { text-align: center; color: var(--text-secondary); margin-bottom: 60px; }

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.card {
    background: var(--bg-color);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.05);
    transition: transform 0.3s, border-color 0.3s;
}

.card:hover {
    transform: translateY(-10px);
    border-color: var(--accent);
}

.card .icon {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: 20px;
}

.card h3 { margin-bottom: 15px; font-size: 1.5rem; }
.card p { color: var(--text-secondary); font-size: 0.95rem; }

/* Contact & Footer */
#contact { padding: 100px 20px; }
#contact h2 { font-size: 3rem; margin-bottom: 20px; }
#contact p { color: var(--text-secondary); margin-bottom: 40px; font-size: 1.2rem; }

footer {
    padding: 40px;
    text-align: center;
    border-top: 1px solid rgba(255,255,255,0.05);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .navbar { padding: 15px 20px; }
    .nav-links a { display: none; } /* Simplified for mobile */
    .hero h1 { font-size: 2.5rem; }
    .split-layout { grid-template-columns: 1fr; }
    .placeholder-img { height: 250px; }
    #lang-switch { display: block; }
}