:root {
    --main-color: #FF9100;
    --bg-dark: #0a0c10;
    --text-white: #ffffff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Cairo', sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-white);
    line-height: 1.6;
    overflow-x: hidden;
}

/* --- Navbar --- */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 5%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 20px;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 700;
    transition: 0.3s;
}

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

.logo img {
    height: 45px;
}

.phone-link {
    color: var(--main-color);
    text-decoration: none;
    font-weight: bold;
}

/* --- Hero Section --- */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 20px;
    background: linear-gradient(rgba(0,0,0,0.65), rgba(0,0,0,0.85)), url('bg-hero.jpg');
    background-size: cover;
    background-position: center;
}

.main-title {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 900;
    margin: 15px 0;
    line-height: 1.2;
}

.main-title span {
    color: var(--main-color);
}

.sub-text {
    font-size: 1.3rem;
    color: #eee;
}

.description {
    font-size: 1rem;
    color: #bbb;
    margin: 20px auto 30px;
    max-width: 600px;
}

/* --- Buttons --- */
.buttons-group {
    display: flex;
    flex-direction: column;
    gap: 15px;
    align-items: center;
}

.btn {
    text-decoration: none;
    padding: 14px 35px;
    border-radius: 8px;
    font-weight: bold;
    font-size: 1.05rem;
    width: 100%;
    max-width: 280px;
    transition: 0.3s all ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-whatsapp {
    background-color: #25D366;
    color: white;
}

.btn-works {
    background-color: transparent;
    color: var(--main-color);
    border: 2px solid var(--main-color);
}

.btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.4);
    filter: brightness(1.1);
}

/* --- Footer --- */
footer {
    background: #05070a;
    padding: 40px 20px;
    text-align: center;
    border-top: 1px solid rgba(255, 145, 0, 0.2);
}

.footer-content p {
    font-size: 1.1rem;
    margin-bottom: 15px;
}

.dev-info {
    font-size: 0.9rem;
    color: #888;
}

.dev-whatsapp {
    color: #25D366;
    text-decoration: none;
    font-weight: bold;
}

/* --- Responsive --- */
@media (min-width: 768px) {
    .buttons-group {
        flex-direction: row;
        justify-content: center;
    }
}