/* GLOBAL STYLES */
:root {
    --primary: #0668E1; /* Meta Blue */
    --secondary: #1C2B33; /* Dark Slate */
    --accent: #008069; /* WhatsApp Green */
    --light: #F0F2F5;
    --white: #ffffff;
    --text-dark: #333333;
    --text-light: #666666;
    --padding: 80px 10%;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    text-decoration: none;
    list-style: none;
}

body {
    background-color: var(--light);
    color: var(--text-dark);
}

/* HEADER & NAV */
header {
    position: fixed;
    width: 100%;
    top: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 20px 10%;
    transition: all 0.4s ease;
}

.logo {
    font-size: 24px;
    font-weight: 800;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.logo span {
    color: var(--secondary);
}

.navbar {
    display: flex;
}

.navbar a {
    color: var(--text-dark);
    font-size: 16px;
    font-weight: 600;
    padding: 10px 20px;
    margin: 0 5px;
    transition: all 0.4s ease;
    border-radius: 5px;
}

.navbar a:hover, .navbar a.active {
    color: var(--primary);
    background: #eef4ff;
}

/* BUTTONS */
.btn {
    display: inline-block;
    padding: 12px 30px;
    background: var(--primary);
    color: var(--white);
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.4s ease;
    border: none;
    cursor: pointer;
}

.btn:hover {
    background: var(--secondary);
    transform: translateY(-3px);
}

.btn-secondary {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

.btn-secondary:hover {
    background: var(--primary);
    color: var(--white);
}

/* COMMON SECTION STYLES */
section {
    padding: var(--padding);
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 36px;
    color: var(--secondary);
    margin-bottom: 15px;
}

.section-title p {
    color: var(--text-light);
    font-size: 18px;
    max-width: 600px;
    margin: 0 auto;
}

/* PAGE HEADER (For pages other than Home) */
.page-header {
    background: linear-gradient(rgba(6, 104, 225, 0.8), rgba(28, 43, 51, 0.9)), url('https://images.unsplash.com/photo-1557838923-2985c318be48?auto=format&fit=crop&w=1600&q=80');
    background-size: cover;
    background-position: center;
    height: 40vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    margin-top: 70px;
}

.page-header h1 {
    font-size: 48px;
    margin-bottom: 10px;
}

/* HOME - HERO */
.home-hero {
    height: 100vh;
    background: linear-gradient(to right, #f8f9fa 50%, #ffffff 50%);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 10%;
    margin-top: 70px;
}

.hero-text {
    width: 45%;
}

.hero-text h4 {
    color: var(--accent);
    font-weight: 700;
    margin-bottom: 10px;
}

.hero-text h1 {
    font-size: 55px;
    line-height: 1.1;
    margin-bottom: 25px;
    color: var(--secondary);
}

.hero-text p {
    color: var(--text-light);
    font-size: 18px;
    margin-bottom: 40px;
    line-height: 1.6;
}

.hero-img {
    width: 45%;
}

.hero-img img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

/* GRID LAYOUTS */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
    transition: all 0.4s ease;
    text-align: center;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.card-icon {
    font-size: 40px;
    color: var(--primary);
    margin-bottom: 20px;
}

/* FOOTER */
footer {
    background: var(--secondary);
    color: var(--white);
    padding: 60px 10% 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h3 {
    margin-bottom: 20px;
    color: var(--primary);
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: #ccc;
    transition: 0.3s;
}

.footer-col ul li a:hover {
    color: var(--white);
}

.copyright {
    text-align: center;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    font-size: 14px;
    color: #aaa;
}

/* CONTACT FORM */
.contact-container {
    display: flex;
    gap: 40px;
    background: var(--white);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}

.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: 5px;
    font-size: 16px;
}

/* RESPONSIVE */
@media (max-width: 992px) {
    :root { --padding: 60px 5%; }
    .home-hero { flex-direction: column; height: auto; padding: 120px 5% 60px; text-align: center; }
    .hero-text, .hero-img { width: 100%; }
    .hero-text { margin-bottom: 50px; }
    .navbar { display: none; } /* Simplified for this demo - normally needs JS toggle */
    .contact-container { flex-direction: column; }
}