/* VARIABLES & RESET */
:root {
    --primary-color: #2c3e50; /* Dark Blue */
    --accent-color: #e74c3c;  /* Red */
    --light-color: #f4f4f4;
    --dark-color: #333;
    --font-main: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

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

body {
    font-family: var(--font-main);
    line-height: 1.6;
    color: var(--dark-color);
    background-color: #fff;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* HEADER & NAV */
header {
    background: var(--primary-color);
    color: #fff;
    padding: 1rem 0;
}

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

.logo { font-size: 1.5rem; font-weight: bold; }

.nav-links { display: flex; gap: 20px; }

.nav-links a {
    color: #fff;
    transition: color 0.3s;
}

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

.burger { display: none; cursor: pointer; }

/* HERO SECTION */
.hero {
    background: url('https://source.unsplash.com/random/1600x900/?office') no-repeat center center/cover;
    height: 60vh;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.6);
}

.hero .container { position: relative; z-index: 1; }

.hero h1 { font-size: 3rem; margin-bottom: 1rem; }

/* BUTTONS */
.btn {
    display: inline-block;
    background: var(--accent-color);
    color: #fff;
    padding: 0.7rem 2rem;
    border: none;
    cursor: pointer;
    transition: background 0.3s;
}

.btn:hover { background: #c0392b; }

/* FEATURES / GRID */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    padding: 50px 20px;
}

.card {
    background: var(--light-color);
    padding: 20px;
    text-align: center;
    border-radius: 5px;
}

.card i {
    font-size: 3rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

/* FORMS */
.page-content { padding: 50px 20px; max-width: 600px; }
.form-group { margin-bottom: 15px; }
.form-group label { display: block; margin-bottom: 5px; }
.form-group input, .form-group textarea {
    width: 100%; padding: 10px;
    border: 1px solid #ccc;
}

/* FOOTER */
footer {
    margin-top: auto; /* Pushes footer to bottom */
    background: var(--dark-color);
    color: #fff;
    text-align: center;
    padding: 20px 0;
}

.socials { margin-top: 10px; }
.socials a { margin: 0 10px; font-size: 1.2rem; }

/* RESPONSIVE MOBILE */
@media (max-width: 768px) {
    .nav-links {
        position: absolute;
        right: 0px;
        top: 60px;
        background: var(--primary-color);
        flex-direction: column;
        width: 50%;
        transform: translateX(100%);
        transition: transform 0.3s ease-in;
        padding: 20px;
        z-index: 10;
    }
    
    .nav-links.nav-active { transform: translateX(0%); }
    .burger { display: block; }
    .hero h1 { font-size: 2rem; }
}