:root {
    --primary: #00d2ff;
    --dark: #0f0f0f;
    --white: #ffffff;
    --gray: #f4f4f4;
}

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

body {
    background-color: var(--white);
    overflow-x: hidden;
    scroll-behavior: smooth;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navbar */
.navbar {
    height: 80px;
    background: rgba(15, 15, 15, 0.95);
    display: flex;
    align-items: center;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo { color: var(--white); font-size: 24px; font-weight: 800; }
.logo span { color: var(--primary); }

.nav-menu {
    display: flex;
    list-style: none;
}

.nav-menu li { margin-left: 30px; }
.nav-menu a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: 0.3s;
}

.nav-menu a:hover { color: var(--primary); }

/* Hero Section */
.hero-section {
    height: 100vh;
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('https://images.unsplash.com/photo-1460925895917-afdab827c52f?auto=format&fit=crop&w=1350&q=80');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero-text h1 { font-size: 50px; color: var(--white); margin-bottom: 10px; }
.hero-text h1 span { color: var(--primary); }
.hero-text p { color: var(--gray); font-size: 18px; margin-bottom: 30px; }

.main-btn {
    padding: 12px 35px;
    background: var(--primary);
    color: var(--white);
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    transition: 0.3s;
}

/* Services Grid */
.services-section { padding: 100px 0; background: var(--gray); }
.section-title { text-align: center; margin-bottom: 50px; font-size: 32px; }

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.card {
    background: var(--white);
    padding: 40px;
    border-radius: 10px;
    text-align: center;
    transition: 0.3s;
    border-bottom: 4px solid transparent;
}

.card:hover { transform: translateY(-10px); border-bottom: 4px solid var(--primary); }
.card i { font-size: 40px; color: var(--primary); margin-bottom: 20px; }

/* Form */
.contact-section { padding: 100px 0; }
#contact-form {
    display: flex;
    flex-direction: column;
    max-width: 600px;
    margin: 0 auto;
    gap: 15px;
}

input, textarea {
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    outline: none;
}

.submit-btn {
    padding: 15px;
    background: var(--dark);
    color: var(--white);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
    transition: 0.3s;
}

.submit-btn:hover { background: var(--primary); }

/* Toast */
.toast-msg {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #333;
    color: white;
    padding: 15px 25px;
    border-radius: 5px;
    display: none;
    animation: slideIn 0.5s ease;
}

/* Responsive */
.hamburger { display: none; cursor: pointer; }
.bar { display: block; width: 25px; height: 3px; margin: 5px auto; background: white; }

@media (max-width: 768px) {
    .hamburger { display: block; }
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background: var(--dark);
        width: 100%;
        text-align: center;
        transition: 0.3s;
    }
    .nav-menu.active { left: 0; }
    .nav-menu li { margin: 20px 0; }
    .hero-text h1 { font-size: 35px; }
}

@keyframes slideIn { from { transform: translateX(100%); } to { transform: translateX(0); } }