/* RESET & BASE */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; color: #fff; background-color: #111; }
a { color: #1abc9c; text-decoration: none; transition: color 0.2s; }
a:hover { color: #16a085; }

/* HEADER NAV */
header nav {
    display: flex;
    justify-content: center;
    gap: 30px;
    padding: 20px;
    background-color: rgba(0,0,0,0.6);
    position: fixed;
    width: 100%;
    z-index: 10;
}
header nav a { font-weight: bold; }

/* HERO */
.hero {
    position: relative;
    width: 100%;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}
.hero-bg {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0; left: 0;
    z-index: 1;
    opacity: 0.3;
}
.hero-text {
    position: relative;
    z-index: 2;
}
.hero-text h1 { font-size: 3em; color: #1abc9c; text-shadow: 2px 2px 8px #000; }
.hero-text p { font-size: 1.2em; color: #ccc; margin-top: 10px; }

/* SECTIONS */
section { padding: 80px 20px; text-align: center; }
section:nth-child(even) { background-color: #1a1a1a; }
section h2 { color: #1abc9c; margin-bottom: 20px; }
section p { max-width: 700px; margin: auto; color: #ccc; line-height: 1.6; }

/* BUTTONS */
.btn { display: inline-block; padding: 12px 25px; background: #1abc9c; color: #fff; border-radius: 5px; font-weight: bold; margin-top: 15px; transition: background 0.3s; }
.btn:hover { background: #16a085; }

/* FOOTER */
footer { text-align: center; padding: 30px 20px; color: #888; font-size: 0.9em; border-top: 1px solid #222; margin-top: 50px; }
footer a { color: #888; text-decoration: none; }
footer a:hover { color: #1abc9c; }
/* MOBILE FIX */
@media (max-width: 768px) {
    header nav {
        flex-wrap: wrap;
        gap: 15px;
        padding: 12px;
    }

    .hero-text h1 {
        font-size: 2em;
    }

    section {
        padding: 60px 15px;
    }
}

/* HERO SAFETY FIX */
.hero {
    min-height: 60vh;
}

/* BODY SAFE FOR FIXED NAV */
body {
    padding-top: 70px;
}