/* Global Styles & Variables */
:root {
    --primary: #6366f1; /* Indigo */
    --primary-hover: #4f46e5;
    --secondary: #ec4899; /* Pink */
    --dark: #0f172a; /* Slate 900 */
    --light: #f8fafc; /* Slate 50 */
    --text-main: #1e293b; /* Slate 800 */
    --text-muted: #64748b; /* Slate 500 */
    --bg-card: #ffffff;
    --border: #e2e8f0;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

/* Typography */
h1, h2, h3, h4 {
    color: var(--dark);
    font-weight: 700;
    line-height: 1.2;
}

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.2);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

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

/* Navbar */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: var(--transition);
}

nav.scrolled {
    background: white;
    padding: 1rem 0;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

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

/* Hero Section */
.hero {
    padding: 10rem 0 6rem;
    background: radial-gradient(circle at top right, rgba(99, 102, 241, 0.05), transparent),
                radial-gradient(circle at bottom left, rgba(236, 72, 153, 0.05), transparent);
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-btns {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* Services */
.services {
    padding: 6rem 0;
}

.section-head {
    text-align: center;
    margin-bottom: 4rem;
}

.section-head h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--bg-card);
    padding: 3rem 2rem;
    border-radius: 20px;
    border: 1px solid var(--border);
    transition: var(--transition);
    text-align: left;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.05);
    border-color: var(--primary);
}

.icon-box {
    width: 60px;
    height: 60px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--primary);
    font-size: 1.5rem;
}

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

/* Contact Form */
.contact {
    padding: 6rem 0;
    background: #fff;
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.contact-form {
    background: var(--light);
    padding: 3rem;
    border-radius: 24px;
}

.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

input, select, textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: white;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.error-msg {
    color: #ef4444;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: none;
}

input.error, select.error, textarea.error {
    border-color: #ef4444;
}

.success-msg {
    background: #dcfce7;
    color: #166534;
    padding: 1rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    display: none;
}

/* Footer */
footer {
    background: var(--dark);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer-logo {
    color: white;
    margin-bottom: 1rem;
}

.footer-links h4 {
    color: white;
    margin-bottom: 1.5rem;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: #94a3b8;
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid #334155;
    padding-top: 2rem;
    text-align: center;
    color: #94a3b8;
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}