:root {
    --primary: #00d2ff;
    --primary-dark: #0072ff;
    --dark: #0f172a;
    --gray: #64748b;
    --light: #f8fafc;
    --white: #ffffff;
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--dark);
    line-height: 1.7;
    background-color: var(--white);
}

.container { max-width: 1200px; margin: auto; padding: 0 2rem; }

/* Grid Helpers */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; }

/* Navbar */
.navbar {
    padding: 1.5rem 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0; z-index: 100;
    border-bottom: 1px solid #e2e8f0;
}
.navbar .container { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.8rem; font-weight: 800; text-decoration: none; color: var(--dark); }
.logo span { color: var(--primary-dark); }
.nav-links { display: flex; list-style: none; align-items: center; }
.nav-links a { text-decoration: none; color: var(--gray); margin-left: 2rem; font-weight: 600; transition: 0.3s; }
.nav-links a:hover { color: var(--primary-dark); }
.btn-nav { background: var(--dark); color: white !important; padding: 0.7rem 1.5rem; border-radius: 50px; }

/* Hero Section */
.hero {
    background: radial-gradient(circle at top right, #f1f5f9, #ffffff);
    padding: 120px 0;
    text-align: left;
}
.hero h1 { font-size: 4.5rem; line-height: 1.1; margin-bottom: 1.5rem; font-weight: 800; }
.highlight { background: linear-gradient(to right, var(--primary-dark), var(--primary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.hero p { font-size: 1.3rem; color: var(--gray); max-width: 600px; margin-bottom: 2.5rem; }

/* Buttons */
.btn-primary {
    background: var(--primary-dark);
    color: white;
    padding: 1.2rem 2.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    display: inline-block;
    border: none;
    transition: 0.3s;
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 10px 20px rgba(0, 114, 255, 0.3); }
.btn-secondary { color: var(--dark); font-weight: 700; text-decoration: none; margin-left: 2rem; border-bottom: 2px solid var(--primary); }

/* Stats Bar */
.stats-bar { padding: 4rem 0; background: var(--dark); color: white; text-align: center; }
.stat h2 { font-size: 2.5rem; color: var(--primary); }
.stat p { color: #94a3b8; font-size: 0.9rem; text-transform: uppercase; letter-spacing: 1px; }

/* Service Cards */
.services { padding: 100px 0; background: var(--light); }
.section-heading { text-align: center; font-size: 2.5rem; margin-bottom: 4rem; }
.service-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.service-card { background: white; padding: 3rem; border-radius: 20px; box-shadow: 0 10px 30px rgba(0,0,0,0.05); transition: 0.3s; }
.service-card:hover { transform: translateY(-10px); }
.service-card .icon { font-size: 2.5rem; margin-bottom: 1.5rem; }

/* Process Section */
.process { padding: 100px 0; }
.process-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; margin-top: 3rem; }
.step span { font-size: 3rem; font-weight: 800; color: #e2e8f0; display: block; }
.step h4 { font-size: 1.4rem; margin: 1rem 0; }

/* Contact Card */
.contact { padding: 100px 0; background: var(--light); }
.contact-card { background: white; padding: 4rem; border-radius: 30px; max-width: 800px; margin: auto; box-shadow: 0 20px 40px rgba(0,0,0,0.1); }
.form-group { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
input, textarea { width: 100%; padding: 1rem; margin-bottom: 1.5rem; border: 1px solid #cbd5e1; border-radius: 8px; font-family: inherit; }
textarea { height: 120px; }

footer { padding: 3rem 0; text-align: center; color: var(--gray); border-top: 1px solid #e2e8f0; }

/* Mobile Optimization */
@media (max-width: 768px) {
    .grid-2, .grid-4, .process-steps { grid-template-columns: 1fr; }
    .hero h1 { font-size: 2.5rem; }
    .nav-links { display: none; }
}