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

body {
    font-family: 'Segoe UI', sans-serif;
    background: #111;
    color: white;
}

.header {
    position: fixed;
    width: 100%;
    background: rgba(0,0,0,0.95);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 60px;
    z-index: 1000;
}

.logo {
    display: flex;
    align-items: center;
    font-weight: bold;
}

.logo img {
    height: 45px;
    margin-right: 10px;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    text-decoration: none;
    color: white;
    transition: 0.3s;
}

nav ul li a:hover {
    color: #00aaff;
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    height: 3px;
    width: 25px;
    background: white;
    margin: 4px 0;
    transition: 0.4s;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Hero */
.hero {
    height: 100vh;
    background: url("https://images.unsplash.com/photo-1503387762-592deb58ef4e") center/cover no-repeat;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.overlay {
    position: absolute;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 50px;
    margin-bottom: 20px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    background: #00aaff;
    color: white;
    text-decoration: none;
    border-radius: 30px;
    transition: 0.3s;
    margin-top: 10px;
}

.btn:hover {
    background: #0088cc;
}

section {
    padding: 100px 60px;
    text-align: center;
}

.service-grid {
    margin-top: 40px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.card {
    background: #1e1e1e;
    padding: 30px;
    border-radius: 15px;
    transition: 0.3s;
}

.card:hover {
    transform: translateY(-10px);
    background: #00aaff;
}

/* Mobile */
@media(max-width: 900px) {

    nav {
        position: absolute;
        top: 70px;
        right: -100%;
        background: #111;
        width: 250px;
        height: 100vh;
        transition: 0.4s;
        padding-top: 40px;
    }

    nav ul {
        flex-direction: column;
        text-align: center;
    }

    nav ul li {
        margin: 20px 0;
    }

    nav.active {
        right: 0;
    }

    .hamburger {
        display: flex;
    }
}

/* WhatsApp */
.whatsapp {
    position: fixed;
    bottom: 25px;
    right: 25px;
    background: #25D366;
    padding: 15px;
    border-radius: 50%;
    box-shadow: 0 0 15px rgba(0,0,0,0.4);
    transition: 0.3s;
    z-index: 1000;
}

.whatsapp:hover {
    transform: scale(1.1);
}
.contact {
    background: #0d0d0d;
}

.contact-box {
    max-width: 700px;
    margin: auto;
    background: #1b1b1b;
    padding: 50px;
    border-radius: 20px;
    box-shadow: 0 0 25px rgba(0,0,0,0.5);
}

.contact-logo {
    width: 120px;
    margin-bottom: 20px;
}

.phone {
    font-size: 20px;
    margin-top: 15px;
    color: #00aaff;
}