/* Variables */
:root {
    --primary: #0a192f; /* Deep Blue */
    --accent: #64ffda;  /* Teal/Cyan */
    --secondary: #112240;
    --text-light: #ccd6f6;
    --white: #ffffff;
}

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

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--white);
    color: var(--primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Navbar */
.navbar {
    background: var(--primary);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    color: var(--white);
    font-weight: 700;
    font-size: 1.5rem;
    text-decoration: none;
}

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

.nav-links {
    display: flex;
    list-style: none;
    align-items: center;
}

.nav-links li a {
    color: var(--white);
    text-decoration: none;
    margin-left: 30px;
    font-size: 0.9rem;
    transition: 0.3s;
}

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

.nav-btn {
    background: var(--accent);
    color: var(--primary) !important;
    padding: 10px 20px;
    border-radius: 5px;
    font-weight: 600;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(10, 25, 47, 0.8), rgba(10, 25, 47, 0.8)), 
                url('https://images.unsplash.com/photo-1544197150-b99a580bb7a8?auto=format&fit=crop&w=1350&q=80');
    background-size: cover;
    background-position: center;
    height: 80vh;
    display: flex;
    align-items: center;
    color: var(--white);
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: var(--text-light);
}

.btn-main {
    padding: 15px 35px;
    background: var(--accent);
    color: var(--primary);
    text-decoration: none;
    border-radius: 5px;
    font-weight: 700;
    margin-right: 15px;
    display: inline-block;
}

.btn-sec {
    padding: 15px 35px;
    border: 2px solid var(--accent);
    color: var(--accent);
    text-decoration: none;
    border-radius: 5px;
    display: inline-block;
}

/* Stats Section */
.stats {
    background: var(--secondary);
    padding: 50px 0;
    color: var(--white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    text-align: center;
}

.num {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent);
    display: block;
}

/* Services Cards */
.services { padding: 100px 0; background: #f9f9f9; }

.section-header { text-align: center; margin-bottom: 50px; }

.line {
    width: 70px;
    height: 4px;
    background: var(--accent);
    margin: 10px auto;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.card {
    background: var(--white);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: 0.4s;
    text-align: center;
    opacity: 0; /* for animation */
    transform: translateY(20px);
}

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

.icon-box {
    font-size: 3rem;
    color: var(--accent);
    margin-bottom: 20px;
}

/* CTA Section */
.cta-box {
    background: var(--primary);
    padding: 60px;
    border-radius: 20px;
    text-align: center;
    color: var(--white);
    margin-bottom: -50px;
    position: relative;
}

.btn-wa {
    background: #25d366;
    color: white;
    padding: 15px 30px;
    border-radius: 50px;
    display: inline-block;
    margin-top: 25px;
    text-decoration: none;
    font-weight: 600;
}

/* FAB WhatsApp */
.fab-wa {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: #25d366;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    font-size: 30px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    z-index: 999;
}

/* Footer */
footer {
    padding: 100px 0 30px;
    background: #f1f1f1;
    text-align: center;
    font-size: 0.8rem;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.2rem; }
    .nav-links {
        display: none; /* simple toggle for mobile */
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--primary);
        padding: 20px;
    }
    .nav-links.active { display: flex; }
    .nav-links li a { margin: 15px 0; font-size: 1.1rem; }
    .stats-grid { grid-template-columns: 1fr; gap: 30px; }
    .menu-toggle { color: white; font-size: 1.5rem; display: block; cursor: pointer; }
}