/* Global Variables & Reset */
:root {
    --primary: #00D26A; /* Electric Green */
    --primary-dark: #00b359;
    --secondary: #0F172A; /* Midnight Blue */
    --accent: #38bdf8;
    --bg-light: #f1f5f9;
    --text-main: #334155;
    --text-light: #64748b;
    --white: #ffffff;
    --max-width: 1200px;
    --header-height: 80px;
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
    --radius: 8px;
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-main);
    color: var(--text-main);
    line-height: 1.6;
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.2s ease;
}

ul {
    list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--secondary);
    line-height: 1.2;
    margin-bottom: 1rem;
    font-weight: 700;
}

h1 { font-size: 2.5rem; line-height: 1.1; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }

.section-title {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem;
}

.section-title h2 {
    font-size: 2.25rem;
    margin-bottom: 1rem;
}

.section-title p {
    color: var(--text-light);
    font-size: 1.125rem;
}

/* Utilities */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    border: none;
    font-size: 1rem;
    gap: 0.5rem;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 210, 106, 0.3);
}

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

.btn-secondary:hover {
    background-color: #1e293b;
    transform: translateY(-2px);
}

.text-primary { color: var(--primary); }
.text-center { text-align: center; }
.bg-light { background-color: var(--bg-light); }
.section-padding { padding: 5rem 0; }

/* Header */
header {
    background-color: var(--secondary);
    color: var(--white);
    height: var(--header-height);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.03em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo span { color: var(--white); }

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

.nav-links a {
    font-weight: 500;
    font-size: 0.95rem;
}

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

/* Mobile Menu Trigger */
.mobile-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    background-color: var(--secondary);
    color: var(--white);
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-text h1 {
    font-size: 3.5rem;
    color: var(--white);
    margin-bottom: 1.5rem;
}

.hero-text p {
    font-size: 1.25rem;
    color: #cbd5e1;
    margin-bottom: 2rem;
    max-width: 500px;
}

.hero-form {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius);
    color: var(--text-main);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.hero-form h3 {
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
    text-align: center;
}

.form-group {
    margin-bottom: 1rem;
}

.form-input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #e2e8f0;
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 1rem;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 210, 106, 0.2);
}

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

.service-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--radius);
    border: 1px solid #e2e8f0;
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
}

.service-icon {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

/* Footer */
footer {
    background-color: #020617;
    color: #94a3b8;
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-col h4 {
    color: var(--white);
    margin-bottom: 1.5rem;
}

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

.copyright {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #1e293b;
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 968px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }

    .hero-text p {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-form {
        max-width: 500px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    
    .mobile-toggle { display: block; }
    
    .nav-links {
        display: none;
        position: absolute;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background: var(--secondary);
        flex-direction: column;
        padding: 2rem;
        border-top: 1px solid rgba(255,255,255,0.1);
    }

    .nav-links.active { display: flex; }
}