/* CSS Design System for Shri Laadli Infotech */

:root {
    --primary-color: #0047AB; /* Trustworthy Blue */
    --secondary-color: #00BFFF; /* Tech Cyan */
    --accent-color: #f8f9fa;
    --text-primary: #2d3436;
    --text-secondary: #636e72;
    --white: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.8);
    --transition: all 0.3s ease;
    --shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    --border-radius: 12px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    background-color: var(--accent-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--primary-color);
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 80px 0;
}

/* Header & Navigation */
header {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    padding: 15px 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
}

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

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

/* Hero Section */
.hero {
    height: 80vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #0047AB 0%, #00BFFF 100%);
    color: var(--white);
    text-align: center;
}

.hero h1 {
    color: var(--white);
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 30px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: var(--white);
    color: var(--primary-color);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.2);
}

/* Grid Components */
.services-grid, .projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.card {
    background: var(--white);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-10px);
}

.card h3 {
    margin-bottom: 15px;
}

/* Footer */
footer {
    background: #2d3436;
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    font-size: 0.9rem;
    text-align: center;
}

/* Forms */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: var(--white);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    outline: none;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none; /* Mobile menu needed */
    }
    .hero h1 {
        font-size: 2.5rem;
    }
}