:root {
    --bg-dark: #0a0e14;
    --bg-accent: #161b22;
    --primary-blue: #3498db;
    --electric-blue: #00d2ff;
    --text-main: #ecf0f1;
    --text-dim: #bdc3c7;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

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

.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

header { padding: 20px 0; border-bottom: 1px solid rgba(255,255,255,0.1); position: relative; z-index: 100; background: rgba(10, 14, 20, 0.9); }
nav { display: flex; justify-content: space-between; align-items: center; }
.logo { font-family: 'JetBrains Mono', monospace; font-size: 1.5rem; font-weight: bold; letter-spacing: 2px; }
.logo span { color: var(--primary-blue); }
.nav-links { list-style: none; display: flex; gap: 30px; align-items: center; }
.nav-links a { text-decoration: none; color: var(--text-dim); font-size: 0.9rem; transition: 0.3s; }
.nav-links a:hover { color: var(--primary-blue); }
.nav-cta { border: 1px solid var(--primary-blue); padding: 8px 20px; border-radius: 5px; color: var(--primary-blue) !important; }

/* Hero & Canvas */
#hero { position: relative; padding: 120px 0; min-height: 80vh; display: flex; align-items: center; overflow: hidden; }
#neural-canvas { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 1; opacity: 0.6; }
.hero-content-wrapper { position: relative; z-index: 2; pointer-events: none; }
.hero-content { pointer-events: auto; }

h1 { font-size: 3.5rem; line-height: 1.1; margin-bottom: 20px; }
.highlight { color: var(--primary-blue); text-shadow: 0 0 15px rgba(52, 152, 219, 0.5); }
#hero p { max-width: 600px; color: var(--text-dim); margin-bottom: 40px; font-size: 1.1rem; }

.btn-primary { background: var(--primary-blue); color: white; padding: 15px 30px; text-decoration: none; border-radius: 5px; font-weight: bold; margin-right: 20px; transition: 0.3s; display: inline-block; border: none; cursor: pointer; }
.btn-primary:hover { background: var(--electric-blue); box-shadow: 0 0 20px var(--primary-blue); }
.btn-secondary { color: var(--text-main); text-decoration: none; border-bottom: 2px solid var(--primary-blue); padding-bottom: 5px; }

/* About Section */
#about { padding: 80px 0; background: var(--bg-accent); border-top: 1px solid rgba(255,255,255,0.05); border-bottom: 1px solid rgba(255,255,255,0.05); }
.about-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 50px; align-items: center; }
.about-text p { margin-bottom: 15px; color: var(--text-dim); }
.about-stats { display: flex; flex-direction: column; gap: 20px; }
.stat-box { background: rgba(52, 152, 219, 0.1); border-left: 4px solid var(--primary-blue); padding: 20px; border-radius: 0 10px 10px 0; }
.stat-box h3 { font-size: 2rem; color: var(--primary-blue); }

/* Services */
#services { padding: 80px 0; text-align: center; }
.section-title { margin-bottom: 50px; font-size: 2rem; }
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.service-item { background: var(--bg-accent); padding: 40px; border-radius: 10px; transition: 0.3s; border: 1px solid rgba(255,255,255,0.02); }
.service-item:hover { transform: translateY(-10px); border-bottom: 4px solid var(--primary-blue); }
.icon { font-size: 3rem; margin-bottom: 20px; display: block; }

/* Contact Form */
#contact { padding: 80px 0; background: var(--bg-accent); }
.contact-form { max-width: 600px; margin: 0 auto; background: var(--bg-dark); padding: 40px; border-radius: 10px; border: 1px solid rgba(255,255,255,0.1); }
.form-group { display: flex; gap: 20px; margin-bottom: 20px; }
.contact-form input, .contact-form textarea { width: 100%; padding: 15px; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); color: white; border-radius: 5px; font-family: 'Inter', sans-serif; margin-bottom: 20px; }
.contact-form input:focus, .contact-form textarea:focus { outline: none; border-color: var(--primary-blue); }

footer { padding: 50px 0; text-align: center; color: var(--text-dim); font-size: 0.9rem; }